Modify `script` to prevent further violations of snake_case

134 files changed, 203 insertions, 52 deletions

diff --git a/components/script/dom/analysernode.rs b/components/script/dom/analysernode.rs
index 4c2025f8eb4..397d3102ff3 100644
--- a/components/script/dom/analysernode.rs
+++ b/components/script/dom/analysernode.rs
@@ -119,6 +119,7 @@ impl AnalyserNode {
     }
 
     /// https://webaudio.github.io/web-audio-api/#dom-analysernode-analysernode
+    #[allow(non_snake_case)]
     pub fn Constructor(
         window: &Window,
         context: &BaseAudioContext,
diff --git a/components/script/dom/audiobuffer.rs b/components/script/dom/audiobuffer.rs
index 984445c8072..a3ef575b820 100644
--- a/components/script/dom/audiobuffer.rs
+++ b/components/script/dom/audiobuffer.rs
@@ -90,6 +90,7 @@ impl AudioBuffer {
     }
 
     // https://webaudio.github.io/web-audio-api/#dom-audiobuffer-audiobuffer
+    #[allow(non_snake_case)]
     pub fn Constructor(
         window: &Window,
         options: &AudioBufferOptions,
diff --git a/components/script/dom/audiobuffersourcenode.rs b/components/script/dom/audiobuffersourcenode.rs
index 7810199750c..656cfef9699 100644
--- a/components/script/dom/audiobuffersourcenode.rs
+++ b/components/script/dom/audiobuffersourcenode.rs
@@ -107,6 +107,7 @@ impl AudioBufferSourceNode {
         ))
     }
 
+    #[allow(non_snake_case)]
     pub fn Constructor(
         window: &Window,
         context: &BaseAudioContext,
diff --git a/components/script/dom/audiocontext.rs b/components/script/dom/audiocontext.rs
index 0212cb78ffa..a72f326d916 100644
--- a/components/script/dom/audiocontext.rs
+++ b/components/script/dom/audiocontext.rs
@@ -85,6 +85,7 @@ impl AudioContext {
     }
 
     // https://webaudio.github.io/web-audio-api/#AudioContext-constructors
+    #[allow(non_snake_case)]
     pub fn Constructor(
         window: &Window,
         options: &AudioContextOptions,
diff --git a/components/script/dom/audiolistener.rs b/components/script/dom/audiolistener.rs
index 31ef2c4cac9..79bbe381b07 100644
--- a/components/script/dom/audiolistener.rs
+++ b/components/script/dom/audiolistener.rs
@@ -147,6 +147,7 @@ impl AudioListener {
     }
 }
 
+#[allow(non_snake_case)]
 impl AudioListenerMethods for AudioListener {
     // https://webaudio.github.io/web-audio-api/#dom-audiolistener-positionx
     fn PositionX(&self) -> DomRoot<AudioParam> {
diff --git a/components/script/dom/biquadfilternode.rs b/components/script/dom/biquadfilternode.rs
index 27bbc5f56fc..5b3569eeb9b 100644
--- a/components/script/dom/biquadfilternode.rs
+++ b/components/script/dom/biquadfilternode.rs
@@ -120,6 +120,7 @@ impl BiquadFilterNode {
         ))
     }
 
+    #[allow(non_snake_case)]
     pub fn Constructor(
         window: &Window,
         context: &BaseAudioContext,
diff --git a/components/script/dom/blob.rs b/components/script/dom/blob.rs
index 86f967764c1..f8b29b895fd 100644
--- a/components/script/dom/blob.rs
+++ b/components/script/dom/blob.rs
@@ -50,6 +50,7 @@ impl Blob {
     }
 
     // https://w3c.github.io/FileAPI/#constructorBlob
+    #[allow(non_snake_case)]
     pub fn Constructor(
         global: &GlobalScope,
         blobParts: Option<Vec<ArrayBufferOrArrayBufferViewOrBlobOrString>>,
diff --git a/components/script/dom/bluetooth.rs b/components/script/dom/bluetooth.rs
index 7ede2395c04..d28717e3eaf 100644
--- a/components/script/dom/bluetooth.rs
+++ b/components/script/dom/bluetooth.rs
@@ -66,6 +66,7 @@ const BT_DESC_CONVERSION_ERROR: &'static str =
     "Can't convert to an IDL value of type BluetoothPermissionDescriptor";
 
 #[derive(JSTraceable, MallocSizeOf)]
+#[allow(non_snake_case)]
 pub struct AllowedBluetoothDevice {
     pub deviceId: DOMString,
     pub mayUseGATT: bool,
diff --git a/components/script/dom/bluetoothadvertisingevent.rs b/components/script/dom/bluetoothadvertisingevent.rs
index d6877805711..7a85acb6e16 100644
--- a/components/script/dom/bluetoothadvertisingevent.rs
+++ b/components/script/dom/bluetoothadvertisingevent.rs
@@ -30,6 +30,7 @@ pub struct BluetoothAdvertisingEvent {
     rssi: Option<i8>,
 }
 
+#[allow(non_snake_case)]
 impl BluetoothAdvertisingEvent {
     pub fn new_inherited(
         device: &BluetoothDevice,
diff --git a/components/script/dom/bluetoothcharacteristicproperties.rs b/components/script/dom/bluetoothcharacteristicproperties.rs
index ae66e7cdfda..10dc09b77da 100644
--- a/components/script/dom/bluetoothcharacteristicproperties.rs
+++ b/components/script/dom/bluetoothcharacteristicproperties.rs
@@ -24,6 +24,7 @@ pub struct BluetoothCharacteristicProperties {
     writable_auxiliaries: bool,
 }
 
+#[allow(non_snake_case)]
 impl BluetoothCharacteristicProperties {
     pub fn new_inherited(
         broadcast: bool,
diff --git a/components/script/dom/bluetoothremotegattcharacteristic.rs b/components/script/dom/bluetoothremotegattcharacteristic.rs
index cdbec2d92bd..d50e4b54894 100644
--- a/components/script/dom/bluetoothremotegattcharacteristic.rs
+++ b/components/script/dom/bluetoothremotegattcharacteristic.rs
@@ -67,11 +67,14 @@ impl BluetoothRemoteGATTCharacteristic {
         service: &BluetoothRemoteGATTService,
         uuid: DOMString,
         properties: &BluetoothCharacteristicProperties,
-        instanceID: String,
+        instance_id: String,
     ) -> DomRoot<BluetoothRemoteGATTCharacteristic> {
         reflect_dom_object(
             Box::new(BluetoothRemoteGATTCharacteristic::new_inherited(
-                service, uuid, properties, instanceID,
+                service,
+                uuid,
+                properties,
+                instance_id,
             )),
             global,
             BluetoothRemoteGATTCharacteristicBinding::Wrap,
diff --git a/components/script/dom/bluetoothremotegattdescriptor.rs b/components/script/dom/bluetoothremotegattdescriptor.rs
index 4538f61fe4c..7cc53159d21 100644
--- a/components/script/dom/bluetoothremotegattdescriptor.rs
+++ b/components/script/dom/bluetoothremotegattdescriptor.rs
@@ -55,13 +55,13 @@ impl BluetoothRemoteGATTDescriptor {
         global: &GlobalScope,
         characteristic: &BluetoothRemoteGATTCharacteristic,
         uuid: DOMString,
-        instanceID: String,
+        instance_id: String,
     ) -> DomRoot<BluetoothRemoteGATTDescriptor> {
         reflect_dom_object(
             Box::new(BluetoothRemoteGATTDescriptor::new_inherited(
                 characteristic,
                 uuid,
-                instanceID,
+                instance_id,
             )),
             global,
             BluetoothRemoteGATTDescriptorBinding::Wrap,
diff --git a/components/script/dom/bluetoothremotegattservice.rs b/components/script/dom/bluetoothremotegattservice.rs
index 20bd96ebf24..e82267a62aa 100644
--- a/components/script/dom/bluetoothremotegattservice.rs
+++ b/components/script/dom/bluetoothremotegattservice.rs
@@ -45,6 +45,7 @@ impl BluetoothRemoteGATTService {
         }
     }
 
+    #[allow(non_snake_case)]
     pub fn new(
         global: &GlobalScope,
         device: &BluetoothDevice,
diff --git a/components/script/dom/bluetoothuuid.rs b/components/script/dom/bluetoothuuid.rs
index 103f39db776..70c0c28550a 100644
--- a/components/script/dom/bluetoothuuid.rs
+++ b/components/script/dom/bluetoothuuid.rs
@@ -583,6 +583,7 @@ const DESCRIPTOR_ERROR_MESSAGE: &'static str =
     "https://developer.bluetooth.org/gatt/descriptors/Pages/\
      DescriptorsHomePage.aspx\ne.g. 'gatt.characteristic_presentation_format'.";
 
+#[allow(non_snake_case)]
 impl BluetoothUUID {
     // https://webbluetoothcg.github.io/web-bluetooth/#dom-bluetoothuuid-canonicaluuid
     pub fn CanonicalUUID(_: &Window, alias: u32) -> UUID {
diff --git a/components/script/dom/channelmergernode.rs b/components/script/dom/channelmergernode.rs
index 65364f69ae2..0ebc086626c 100644
--- a/components/script/dom/channelmergernode.rs
+++ b/components/script/dom/channelmergernode.rs
@@ -68,6 +68,7 @@ impl ChannelMergerNode {
         ))
     }
 
+    #[allow(non_snake_case)]
     pub fn Constructor(
         window: &Window,
         context: &BaseAudioContext,
diff --git a/components/script/dom/channelsplitternode.rs b/components/script/dom/channelsplitternode.rs
index 6803e3e5a67..4ec38609bce 100644
--- a/components/script/dom/channelsplitternode.rs
+++ b/components/script/dom/channelsplitternode.rs
@@ -70,6 +70,7 @@ impl ChannelSplitterNode {
         ))
     }
 
+    #[allow(non_snake_case)]
     pub fn Constructor(
         window: &Window,
         context: &BaseAudioContext,
diff --git a/components/script/dom/closeevent.rs b/components/script/dom/closeevent.rs
index 1c07813bce3..8bd0446d24e 100644
--- a/components/script/dom/closeevent.rs
+++ b/components/script/dom/closeevent.rs
@@ -23,6 +23,7 @@ pub struct CloseEvent {
     reason: DOMString,
 }
 
+#[allow(non_snake_case)]
 impl CloseEvent {
     pub fn new_inherited(was_clean: bool, code: u16, reason: DOMString) -> CloseEvent {
         CloseEvent {
diff --git a/components/script/dom/comment.rs b/components/script/dom/comment.rs
index 00079673c7e..06750f4a67f 100644
--- a/components/script/dom/comment.rs
+++ b/components/script/dom/comment.rs
@@ -34,6 +34,7 @@ impl Comment {
         )
     }
 
+    #[allow(non_snake_case)]
     pub fn Constructor(window: &Window, data: DOMString) -> Fallible<DomRoot<Comment>> {
         let document = window.Document();
         Ok(Comment::new(data, &document))
diff --git a/components/script/dom/compositionevent.rs b/components/script/dom/compositionevent.rs
index 8b00ed1ac9c..121034f42bc 100644
--- a/components/script/dom/compositionevent.rs
+++ b/components/script/dom/compositionevent.rs
@@ -58,6 +58,7 @@ impl CompositionEvent {
         ev
     }
 
+    #[allow(non_snake_case)]
     pub fn Constructor(
         window: &Window,
         type_: DOMString,
diff --git a/components/script/dom/console.rs b/components/script/dom/console.rs
index ff0510fea6b..22caa2993bd 100644
--- a/components/script/dom/console.rs
+++ b/components/script/dom/console.rs
@@ -43,6 +43,7 @@ where
     f()
 }
 
+#[allow(non_snake_case)]
 impl Console {
     // https://developer.mozilla.org/en-US/docs/Web/API/Console/log
     pub fn Log(global: &GlobalScope, messages: Vec<DOMString>) {
diff --git a/components/script/dom/constantsourcenode.rs b/components/script/dom/constantsourcenode.rs
index 27ee869054d..ca7b9b382f5 100644
--- a/components/script/dom/constantsourcenode.rs
+++ b/components/script/dom/constantsourcenode.rs
@@ -73,6 +73,7 @@ impl ConstantSourceNode {
         ))
     }
 
+    #[allow(non_snake_case)]
     pub fn Constructor(
         window: &Window,
         context: &BaseAudioContext,
diff --git a/components/script/dom/css.rs b/components/script/dom/css.rs
index d7a5b98aec0..138ffb6b9da 100644
--- a/components/script/dom/css.rs
+++ b/components/script/dom/css.rs
@@ -22,6 +22,7 @@ pub struct CSS {
     reflector_: Reflector,
 }
 
+#[allow(non_snake_case)]
 impl CSS {
     /// <http://dev.w3.org/csswg/cssom/#serialize-an-identifier>
     pub fn Escape(_: &Window, ident: DOMString) -> Fallible<DOMString> {
diff --git a/components/script/dom/customevent.rs b/components/script/dom/customevent.rs
index 91035f56e03..26366f65f5e 100644
--- a/components/script/dom/customevent.rs
+++ b/components/script/dom/customevent.rs
@@ -55,7 +55,7 @@ impl CustomEvent {
         ev
     }
 
-    #[allow(unsafe_code)]
+    #[allow(unsafe_code, non_snake_case)]
     pub fn Constructor(
         global: &GlobalScope,
         type_: DOMString,
diff --git a/components/script/dom/document.rs b/components/script/dom/document.rs
index 1f24a96c6a0..16f22c1dfa8 100644
--- a/components/script/dom/document.rs
+++ b/components/script/dom/document.rs
@@ -450,6 +450,7 @@ impl CollectionFilter for AnchorsFilter {
     }
 }
 
+#[allow(non_snake_case)]
 impl Document {
     #[inline]
     pub fn loader(&self) -> Ref<DocumentLoader> {
@@ -2899,6 +2900,7 @@ impl Document {
     }
 
     // https://dom.spec.whatwg.org/#dom-document-document
+    #[allow(non_snake_case)]
     pub fn Constructor(window: &Window) -> Fallible<DomRoot<Document>> {
         let doc = window.Document();
         let docloader = DocumentLoader::new(&*doc.loader());
diff --git a/components/script/dom/documentfragment.rs b/components/script/dom/documentfragment.rs
index 1561b0d007e..a7da3745ee0 100644
--- a/components/script/dom/documentfragment.rs
+++ b/components/script/dom/documentfragment.rs
@@ -46,6 +46,7 @@ impl DocumentFragment {
         )
     }
 
+    #[allow(non_snake_case)]
     pub fn Constructor(window: &Window) -> Fallible<DomRoot<DocumentFragment>> {
         let document = window.Document();
 
diff --git a/components/script/dom/domexception.rs b/components/script/dom/domexception.rs
index 218771851b6..e8d848d0b9f 100644
--- a/components/script/dom/domexception.rs
+++ b/components/script/dom/domexception.rs
@@ -138,6 +138,7 @@ impl DOMException {
         )
     }
 
+    #[allow(non_snake_case)]
     pub fn Constructor(
         global: &GlobalScope,
         message: DOMString,
diff --git a/components/script/dom/dommatrix.rs b/components/script/dom/dommatrix.rs
index c9cc366e8ec..0f6d2ae2cd2 100644
--- a/components/script/dom/dommatrix.rs
+++ b/components/script/dom/dommatrix.rs
@@ -27,6 +27,7 @@ pub struct DOMMatrix {
     parent: DOMMatrixReadOnly,
 }
 
+#[allow(non_snake_case)]
 impl DOMMatrix {
     #[allow(unrooted_must_root)]
     pub fn new(global: &GlobalScope, is2D: bool, matrix: Transform3D<f64>) -> DomRoot<Self> {
@@ -74,7 +75,7 @@ impl DOMMatrix {
     }
 
     pub fn from_readonly(global: &GlobalScope, ro: &DOMMatrixReadOnly) -> DomRoot<Self> {
-        Self::new(global, ro.is_2d(), ro.matrix().clone())
+        Self::new(global, ro.is2D(), ro.matrix().clone())
     }
 
     // https://drafts.fxtf.org/geometry-1/#dom-dommatrix-fromfloat32array
@@ -102,6 +103,7 @@ impl DOMMatrix {
     }
 }
 
+#[allow(non_snake_case)]
 impl DOMMatrixMethods for DOMMatrix {
     // https://drafts.fxtf.org/geometry-1/#dom-dommatrixreadonly-m11
     fn M11(&self) -> f64 {
diff --git a/components/script/dom/dommatrixreadonly.rs b/components/script/dom/dommatrixreadonly.rs
index acfd02bd56d..e7e32318020 100644
--- a/components/script/dom/dommatrixreadonly.rs
+++ b/components/script/dom/dommatrixreadonly.rs
@@ -33,12 +33,14 @@ use std::ptr::NonNull;
 use style::parser::ParserContext;
 
 #[dom_struct]
+#[allow(non_snake_case)]
 pub struct DOMMatrixReadOnly {
     reflector_: Reflector,
     matrix: DomRefCell<Transform3D<f64>>,
     is2D: Cell<bool>,
 }
 
+#[allow(non_snake_case)]
 impl DOMMatrixReadOnly {
     #[allow(unrooted_must_root)]
     pub fn new(global: &GlobalScope, is2D: bool, matrix: Transform3D<f64>) -> DomRoot<Self> {
@@ -91,7 +93,7 @@ impl DOMMatrixReadOnly {
         self.matrix.borrow()
     }
 
-    pub fn is_2d(&self) -> bool {
+    pub fn is2D(&self) -> bool {
         self.is2D.get()
     }
 
@@ -421,6 +423,7 @@ impl DOMMatrixReadOnly {
     }
 }
 
+#[allow(non_snake_case)]
 impl DOMMatrixReadOnlyMethods for DOMMatrixReadOnly {
     // https://drafts.fxtf.org/geometry-1/#dom-dommatrixreadonly-m11
     fn M11(&self) -> f64 {
@@ -761,7 +764,7 @@ pub fn dommatrixinit_to_matrix(dict: &DOMMatrixInit) -> Fallible<(bool, Transfor
     {
         Err(error::Error::Type("Invalid matrix initializer.".to_owned()))
     } else {
-        let mut is2D = dict.is2D;
+        let mut is_2d = dict.is2D;
         // Step 2.
         let m11 = dict.m11.unwrap_or(dict.a.unwrap_or(1.0));
         // Step 3.
@@ -775,7 +778,7 @@ pub fn dommatrixinit_to_matrix(dict: &DOMMatrixInit) -> Fallible<(bool, Transfor
         // Step 7.
         let m42 = dict.m42.unwrap_or(dict.f.unwrap_or(0.0));
         // Step 8.
-        if is2D.is_none() &&
+        if is_2d.is_none() &&
             (dict.m31 != 0.0 ||
                 dict.m32 != 0.0 ||
                 dict.m13 != 0.0 ||
@@ -787,17 +790,17 @@ pub fn dommatrixinit_to_matrix(dict: &DOMMatrixInit) -> Fallible<(bool, Transfor
                 dict.m33 != 1.0 ||
                 dict.m44 != 1.0)
         {
-            is2D = Some(false);
+            is_2d = Some(false);
         }
         // Step 9.
-        if is2D.is_none() {
-            is2D = Some(true);
+        if is_2d.is_none() {
+            is_2d = Some(true);
         }
         let matrix = Transform3D::row_major(
             m11, m12, dict.m13, dict.m14, m21, m22, dict.m23, dict.m24, dict.m31, dict.m32,
             dict.m33, dict.m34, m41, m42, dict.m43, dict.m44,
         );
-        Ok((is2D.unwrap(), matrix))
+        Ok((is_2d.unwrap(), matrix))
     }
 }
 
diff --git a/components/script/dom/domparser.rs b/components/script/dom/domparser.rs
index dea8af24c1c..d714ba30ed2 100644
--- a/components/script/dom/domparser.rs
+++ b/components/script/dom/domparser.rs
@@ -44,6 +44,7 @@ impl DOMParser {
         )
     }
 
+    #[allow(non_snake_case)]
     pub fn Constructor(window: &Window) -> Fallible<DomRoot<DOMParser>> {
         Ok(DOMParser::new(window))
     }
diff --git a/components/script/dom/dompoint.rs b/components/script/dom/dompoint.rs
index 6a89249342d..4c1fde655cc 100644
--- a/components/script/dom/dompoint.rs
+++ b/components/script/dom/dompoint.rs
@@ -19,6 +19,7 @@ pub struct DOMPoint {
     point: DOMPointReadOnly,
 }
 
+#[allow(non_snake_case)]
 impl DOMPoint {
     fn new_inherited(x: f64, y: f64, z: f64, w: f64) -> DOMPoint {
         DOMPoint {
diff --git a/components/script/dom/dompointreadonly.rs b/components/script/dom/dompointreadonly.rs
index 4c327107388..d98e9a4bde3 100644
--- a/components/script/dom/dompointreadonly.rs
+++ b/components/script/dom/dompointreadonly.rs
@@ -23,6 +23,7 @@ pub struct DOMPointReadOnly {
     w: Cell<f64>,
 }
 
+#[allow(non_snake_case)]
 impl DOMPointReadOnly {
     pub fn new_inherited(x: f64, y: f64, z: f64, w: f64) -> DOMPointReadOnly {
         DOMPointReadOnly {
@@ -58,6 +59,7 @@ impl DOMPointReadOnly {
     }
 }
 
+#[allow(non_snake_case)]
 impl DOMPointReadOnlyMethods for DOMPointReadOnly {
     // https://dev.w3.org/fxtf/geometry/Overview.html#dom-dompointreadonly-x
     fn X(&self) -> f64 {
@@ -80,6 +82,7 @@ impl DOMPointReadOnlyMethods for DOMPointReadOnly {
     }
 }
 
+#[allow(non_snake_case)]
 pub trait DOMPointWriteMethods {
     fn SetX(&self, value: f64);
     fn SetY(&self, value: f64);
diff --git a/components/script/dom/domquad.rs b/components/script/dom/domquad.rs
index 12c878357d0..3101370582a 100644
--- a/components/script/dom/domquad.rs
+++ b/components/script/dom/domquad.rs
@@ -23,6 +23,7 @@ pub struct DOMQuad {
     p4: Dom<DOMPoint>,
 }
 
+#[allow(non_snake_case)]
 impl DOMQuad {
     fn new_inherited(p1: &DOMPoint, p2: &DOMPoint, p3: &DOMPoint, p4: &DOMPoint) -> DOMQuad {
         DOMQuad {
diff --git a/components/script/dom/domrect.rs b/components/script/dom/domrect.rs
index 7b0f4b1ad17..0aab9dc4d61 100644
--- a/components/script/dom/domrect.rs
+++ b/components/script/dom/domrect.rs
@@ -32,6 +32,7 @@ impl DOMRect {
         )
     }
 
+    #[allow(non_snake_case)]
     pub fn Constructor(
         global: &GlobalScope,
         x: f64,
diff --git a/components/script/dom/domrectreadonly.rs b/components/script/dom/domrectreadonly.rs
index 79d02169a5b..6bdbac9c388 100644
--- a/components/script/dom/domrectreadonly.rs
+++ b/components/script/dom/domrectreadonly.rs
@@ -46,6 +46,7 @@ impl DOMRectReadOnly {
         )
     }
 
+    #[allow(non_snake_case)]
     pub fn Constructor(
         global: &GlobalScope,
         x: f64,
diff --git a/components/script/dom/element.rs b/components/script/dom/element.rs
index 00e70f2df02..cb7d339a78e 100644
--- a/components/script/dom/element.rs
+++ b/components/script/dom/element.rs
@@ -1202,6 +1202,7 @@ impl Element {
         }
     }
 
+    #[allow(non_snake_case)]
     pub fn xmlSerialize(&self, traversal_scope: XmlTraversalScope) -> Fallible<DOMString> {
         let mut writer = vec![];
         match xmlSerialize::serialize(
diff --git a/components/script/dom/errorevent.rs b/components/script/dom/errorevent.rs
index c306f6cf7f9..10f3ab5853f 100644
--- a/components/script/dom/errorevent.rs
+++ b/components/script/dom/errorevent.rs
@@ -77,6 +77,7 @@ impl ErrorEvent {
         ev
     }
 
+    #[allow(non_snake_case)]
     pub fn Constructor(
         global: &GlobalScope,
         type_: DOMString,
diff --git a/components/script/dom/event.rs b/components/script/dom/event.rs
index 52c9af3b061..e8e7ad7251c 100644
--- a/components/script/dom/event.rs
+++ b/components/script/dom/event.rs
@@ -82,6 +82,7 @@ impl Event {
         event
     }
 
+    #[allow(non_snake_case)]
     pub fn Constructor(
         global: &GlobalScope,
         type_: DOMString,
diff --git a/components/script/dom/eventsource.rs b/components/script/dom/eventsource.rs
index bbda6c24396..1b471a85631 100644
--- a/components/script/dom/eventsource.rs
+++ b/components/script/dom/eventsource.rs
@@ -18,7 +18,7 @@ use crate::dom::eventtarget::EventTarget;
 use crate::dom::globalscope::GlobalScope;
 use crate::dom::messageevent::MessageEvent;
 use crate::dom::performanceresourcetiming::InitiatorType;
-use crate::fetch::{create_a_potential_CORS_request, FetchCanceller};
+use crate::fetch::{create_a_potential_cors_request, FetchCanceller};
 use crate::network_listener::{self, NetworkListener, PreInvoke, ResourceTimingListener};
 use crate::task_source::{TaskSource, TaskSourceName};
 use crate::timers::OneshotTimerCallback;
@@ -488,6 +488,7 @@ impl EventSource {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-eventsource
+    #[allow(non_snake_case)]
     pub fn Constructor(
         global: &GlobalScope,
         url: DOMString,
@@ -516,7 +517,7 @@ impl EventSource {
         };
         // Step 8
         // TODO: Step 9 set request's client settings
-        let mut request = create_a_potential_CORS_request(
+        let mut request = create_a_potential_cors_request(
             url_record,
             Destination::None,
             Some(cors_attribute_state),
diff --git a/components/script/dom/eventtarget.rs b/components/script/dom/eventtarget.rs
index cb42539a8e5..9106587ec31 100644
--- a/components/script/dom/eventtarget.rs
+++ b/components/script/dom/eventtarget.rs
@@ -339,6 +339,7 @@ impl EventTarget {
         reflect_dom_object(Box::new(EventTarget::new_inherited()), global, Wrap)
     }
 
+    #[allow(non_snake_case)]
     pub fn Constructor(global: &GlobalScope) -> Fallible<DomRoot<EventTarget>> {
         Ok(EventTarget::new(global))
     }
diff --git a/components/script/dom/extendableevent.rs b/components/script/dom/extendableevent.rs
index 6f1b9f322a0..a7b0e2dd581 100644
--- a/components/script/dom/extendableevent.rs
+++ b/components/script/dom/extendableevent.rs
@@ -23,6 +23,7 @@ pub struct ExtendableEvent {
     extensions_allowed: bool,
 }
 
+#[allow(non_snake_case)]
 impl ExtendableEvent {
     pub fn new_inherited() -> ExtendableEvent {
         ExtendableEvent {
diff --git a/components/script/dom/extendablemessageevent.rs b/components/script/dom/extendablemessageevent.rs
index a1433ec6269..ff9903fc1a6 100644
--- a/components/script/dom/extendablemessageevent.rs
+++ b/components/script/dom/extendablemessageevent.rs
@@ -26,6 +26,7 @@ use js::rust::HandleValue;
 use servo_atoms::Atom;
 
 #[dom_struct]
+#[allow(non_snake_case)]
 pub struct ExtendableMessageEvent {
     event: ExtendableEvent,
     #[ignore_malloc_size_of = "mozjs"]
@@ -37,6 +38,7 @@ pub struct ExtendableMessageEvent {
     frozen_ports: DomRefCell<Option<Heap<JSVal>>>,
 }
 
+#[allow(non_snake_case)]
 impl ExtendableMessageEvent {
     pub fn new_inherited(
         origin: DOMString,
@@ -101,6 +103,7 @@ impl ExtendableMessageEvent {
     }
 }
 
+#[allow(non_snake_case)]
 impl ExtendableMessageEvent {
     pub fn dispatch_jsval(
         target: &EventTarget,
diff --git a/components/script/dom/file.rs b/components/script/dom/file.rs
index ed4753a58b3..9fcd580bbee 100644
--- a/components/script/dom/file.rs
+++ b/components/script/dom/file.rs
@@ -80,6 +80,7 @@ impl File {
     }
 
     // https://w3c.github.io/FileAPI/#file-constructor
+    #[allow(non_snake_case)]
     pub fn Constructor(
         global: &GlobalScope,
         fileBits: Vec<ArrayBufferOrArrayBufferViewOrBlobOrString>,
diff --git a/components/script/dom/filereader.rs b/components/script/dom/filereader.rs
index d40ae95aac3..ce828435c4b 100644
--- a/components/script/dom/filereader.rs
+++ b/components/script/dom/filereader.rs
@@ -159,6 +159,7 @@ impl FileReader {
         )
     }
 
+    #[allow(non_snake_case)]
     pub fn Constructor(global: &GlobalScope) -> Fallible<DomRoot<FileReader>> {
         Ok(FileReader::new(global))
     }
diff --git a/components/script/dom/filereadersync.rs b/components/script/dom/filereadersync.rs
index 1ed9c6c8007..5b3ace3863e 100644
--- a/components/script/dom/filereadersync.rs
+++ b/components/script/dom/filereadersync.rs
@@ -40,6 +40,7 @@ impl FileReaderSync {
         )
     }
 
+    #[allow(non_snake_case)]
     pub fn Constructor(global: &GlobalScope) -> Fallible<DomRoot<FileReaderSync>> {
         Ok(FileReaderSync::new(global))
     }
diff --git a/components/script/dom/focusevent.rs b/components/script/dom/focusevent.rs
index 2a19ce48729..5ff76a0d60e 100644
--- a/components/script/dom/focusevent.rs
+++ b/components/script/dom/focusevent.rs
@@ -60,6 +60,7 @@ impl FocusEvent {
         ev
     }
 
+    #[allow(non_snake_case)]
     pub fn Constructor(
         window: &Window,
         type_: DOMString,
diff --git a/components/script/dom/formdata.rs b/components/script/dom/formdata.rs
index b8503a4f0dc..fd69adbe337 100644
--- a/components/script/dom/formdata.rs
+++ b/components/script/dom/formdata.rs
@@ -51,6 +51,7 @@ impl FormData {
     }
 
     // https://xhr.spec.whatwg.org/#dom-formdata
+    #[allow(non_snake_case)]
     pub fn Constructor(
         global: &GlobalScope,
         form: Option<&HTMLFormElement>,
diff --git a/components/script/dom/formdataevent.rs b/components/script/dom/formdataevent.rs
index c380abf217a..60eb479f7dd 100644
--- a/components/script/dom/formdataevent.rs
+++ b/components/script/dom/formdataevent.rs
@@ -48,6 +48,7 @@ impl FormDataEvent {
         ev
     }
 
+    #[allow(non_snake_case)]
     pub fn Constructor(
         window: &Window,
         type_: DOMString,
diff --git a/components/script/dom/gainnode.rs b/components/script/dom/gainnode.rs
index a4c5bb36f4e..f91a2ba2591 100644
--- a/components/script/dom/gainnode.rs
+++ b/components/script/dom/gainnode.rs
@@ -76,6 +76,7 @@ impl GainNode {
         ))
     }
 
+    #[allow(non_snake_case)]
     pub fn Constructor(
         window: &Window,
         context: &BaseAudioContext,
diff --git a/components/script/dom/gamepadevent.rs b/components/script/dom/gamepadevent.rs
index f3f4023e88b..3d57645a9be 100644
--- a/components/script/dom/gamepadevent.rs
+++ b/components/script/dom/gamepadevent.rs
@@ -69,6 +69,7 @@ impl GamepadEvent {
     }
 
     // https://w3c.github.io/gamepad/#gamepadevent-interface
+    #[allow(non_snake_case)]
     pub fn Constructor(
         window: &Window,
         type_: DOMString,
diff --git a/components/script/dom/gpudevice.rs b/components/script/dom/gpudevice.rs
index d2d2b2013d8..1cc00110146 100644
--- a/components/script/dom/gpudevice.rs
+++ b/components/script/dom/gpudevice.rs
@@ -238,6 +238,7 @@ impl GPUDeviceMethods for GPUDevice {
     }
 
     /// https://gpuweb.github.io/gpuweb/#GPUDevice-createBindGroupLayout
+    #[allow(non_snake_case)]
     fn CreateBindGroupLayout(
         &self,
         descriptor: &GPUBindGroupLayoutDescriptor,
diff --git a/components/script/dom/hashchangeevent.rs b/components/script/dom/hashchangeevent.rs
index 2ff234d2c06..44a46f162db 100644
--- a/components/script/dom/hashchangeevent.rs
+++ b/components/script/dom/hashchangeevent.rs
@@ -60,6 +60,7 @@ impl HashChangeEvent {
         ev
     }
 
+    #[allow(non_snake_case)]
     pub fn Constructor(
         window: &Window,
         type_: DOMString,
diff --git a/components/script/dom/headers.rs b/components/script/dom/headers.rs
index a75b0292d6f..f16d24604db 100644
--- a/components/script/dom/headers.rs
+++ b/components/script/dom/headers.rs
@@ -50,6 +50,7 @@ impl Headers {
     }
 
     // https://fetch.spec.whatwg.org/#dom-headers
+    #[allow(non_snake_case)]
     pub fn Constructor(
         global: &GlobalScope,
         init: Option<HeadersInit>,
@@ -393,13 +394,13 @@ pub fn normalize_value(value: ByteString) -> ByteString {
     }
 }
 
-fn is_HTTP_whitespace(byte: u8) -> bool {
+fn is_http_whitespace(byte: u8) -> bool {
     byte == b'\t' || byte == b'\n' || byte == b'\r' || byte == b' '
 }
 
 fn index_of_first_non_whitespace(value: &ByteString) -> Option<usize> {
     for (index, &byte) in value.iter().enumerate() {
-        if !is_HTTP_whitespace(byte) {
+        if !is_http_whitespace(byte) {
             return Some(index);
         }
     }
@@ -408,7 +409,7 @@ fn index_of_first_non_whitespace(value: &ByteString) -> Option<usize> {
 
 fn index_of_last_non_whitespace(value: &ByteString) -> Option<usize> {
     for (index, &byte) in value.iter().enumerate().rev() {
-        if !is_HTTP_whitespace(byte) {
+        if !is_http_whitespace(byte) {
             return Some(index);
         }
     }
diff --git a/components/script/dom/htmlaudioelement.rs b/components/script/dom/htmlaudioelement.rs
index af92835af6a..1a8472cf8ee 100644
--- a/components/script/dom/htmlaudioelement.rs
+++ b/components/script/dom/htmlaudioelement.rs
@@ -49,6 +49,7 @@ impl HTMLAudioElement {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-audio
+    #[allow(non_snake_case)]
     pub fn Audio(window: &Window, src: Option<DOMString>) -> Fallible<DomRoot<HTMLAudioElement>> {
         let document = window.Document();
         let audio = HTMLAudioElement::new(local_name!("audio"), None, &document);
diff --git a/components/script/dom/htmlformcontrolscollection.rs b/components/script/dom/htmlformcontrolscollection.rs
index 8bf296a8417..1cf969a2fdd 100644
--- a/components/script/dom/htmlformcontrolscollection.rs
+++ b/components/script/dom/htmlformcontrolscollection.rs
@@ -47,6 +47,7 @@ impl HTMLFormControlsCollection {
 
     // FIXME: This shouldn't need to be implemented here since HTMLCollection (the parent of
     // HTMLFormControlsCollection) implements Length
+    #[allow(non_snake_case)]
     pub fn Length(&self) -> u32 {
         self.collection.Length()
     }
diff --git a/components/script/dom/htmlformelement.rs b/components/script/dom/htmlformelement.rs
index c36f30c1fb3..ebbe1d49615 100644
--- a/components/script/dom/htmlformelement.rs
+++ b/components/script/dom/htmlformelement.rs
@@ -378,6 +378,7 @@ impl HTMLFormElementMethods for HTMLFormElement {
     }
 
     // https://html.spec.whatwg.org/multipage/#the-form-element:supported-property-names
+    #[allow(non_snake_case)]
     fn SupportedPropertyNames(&self) -> Vec<DOMString> {
         // Step 1
         #[derive(Debug, Eq, Ord, PartialEq, PartialOrd)]
diff --git a/components/script/dom/htmlhtmlelement.rs b/components/script/dom/htmlhtmlelement.rs
index 9aa4f4ab9a0..b95f79e5ac0 100644
--- a/components/script/dom/htmlhtmlelement.rs
+++ b/components/script/dom/htmlhtmlelement.rs
@@ -15,6 +15,7 @@ pub struct HTMLHtmlElement {
     htmlelement: HTMLElement,
 }
 
+#[allow(non_snake_case)]
 impl HTMLHtmlElement {
     fn new_inherited(
         localName: LocalName,
diff --git a/components/script/dom/htmlimageelement.rs b/components/script/dom/htmlimageelement.rs
index fd2a58f8d7d..9fb2cfe704b 100644
--- a/components/script/dom/htmlimageelement.rs
+++ b/components/script/dom/htmlimageelement.rs
@@ -41,7 +41,7 @@ use crate::dom::performanceresourcetiming::InitiatorType;
 use crate::dom::values::UNSIGNED_LONG_MAX;
 use crate::dom::virtualmethods::VirtualMethods;
 use crate::dom::window::Window;
-use crate::fetch::create_a_potential_CORS_request;
+use crate::fetch::create_a_potential_cors_request;
 use crate::image_listener::{add_cache_listener_for_element, ImageCacheListener};
 use crate::microtask::{Microtask, MicrotaskRunnable};
 use crate::network_listener::{self, NetworkListener, PreInvoke, ResourceTimingListener};
@@ -283,7 +283,7 @@ pub(crate) fn image_fetch_request(
     from_picture_or_srcset: FromPictureOrSrcSet,
 ) -> RequestBuilder {
     let mut request =
-        create_a_potential_CORS_request(img_url, Destination::Image, cors_setting, None)
+        create_a_potential_cors_request(img_url, Destination::Image, cors_setting, None)
             .origin(origin)
             .pipeline_id(Some(pipeline_id))
             .referrer_policy(referrer_policy);
@@ -293,6 +293,7 @@ pub(crate) fn image_fetch_request(
     request
 }
 
+#[allow(non_snake_case)]
 impl HTMLImageElement {
     /// Update the current image with a valid URL.
     fn fetch_image(&self, img_url: &ServoUrl) {
diff --git a/components/script/dom/htmlinputelement.rs b/components/script/dom/htmlinputelement.rs
index 22333a17051..cb269e92270 100755
--- a/components/script/dom/htmlinputelement.rs
+++ b/components/script/dom/htmlinputelement.rs
@@ -290,6 +290,7 @@ static DEFAULT_INPUT_SIZE: u32 = 20;
 static DEFAULT_MAX_LENGTH: i32 = -1;
 static DEFAULT_MIN_LENGTH: i32 = -1;
 
+#[allow(non_snake_case)]
 impl HTMLInputElement {
     fn new_inherited(
         local_name: LocalName,
@@ -1038,7 +1039,7 @@ impl HTMLInputElementMethods for HTMLInputElement {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-input-valueasdate
-    #[allow(unsafe_code)]
+    #[allow(unsafe_code, non_snake_case)]
     fn SetValueAsDate(&self, cx: SafeJSContext, value: *mut JSObject) -> ErrorResult {
         rooted!(in(*cx) let value = value);
         if !self.does_value_as_date_apply() {
diff --git a/components/script/dom/htmlmediaelement.rs b/components/script/dom/htmlmediaelement.rs
index cb93a77a90d..500e54e3867 100644
--- a/components/script/dom/htmlmediaelement.rs
+++ b/components/script/dom/htmlmediaelement.rs
@@ -60,7 +60,7 @@ use crate::dom::url::URL;
 use crate::dom::videotrack::VideoTrack;
 use crate::dom::videotracklist::VideoTrackList;
 use crate::dom::virtualmethods::VirtualMethods;
-use crate::fetch::{create_a_potential_CORS_request, FetchCanceller};
+use crate::fetch::{create_a_potential_cors_request, FetchCanceller};
 use crate::microtask::{Microtask, MicrotaskRunnable};
 use crate::network_listener::{self, NetworkListener, PreInvoke, ResourceTimingListener};
 use crate::script_thread::ScriptThread;
@@ -292,6 +292,7 @@ impl From<MediaStreamOrBlob> for SrcObject {
 }
 
 #[dom_struct]
+#[allow(non_snake_case)]
 pub struct HTMLMediaElement {
     htmlelement: HTMLElement,
     /// <https://html.spec.whatwg.org/multipage/#dom-media-networkstate>
@@ -837,7 +838,7 @@ impl HTMLMediaElement {
         };
 
         let cors_setting = cors_setting_for_element(self.upcast());
-        let request = create_a_potential_CORS_request(url.clone(), destination, cors_setting, None)
+        let request = create_a_potential_cors_request(url.clone(), destination, cors_setting, None)
             .headers(headers)
             .origin(document.origin().immutable().clone())
             .pipeline_id(Some(self.global().pipeline_id()))
diff --git a/components/script/dom/htmloptionelement.rs b/components/script/dom/htmloptionelement.rs
index d61f4b6ffb0..ca95400dc80 100644
--- a/components/script/dom/htmloptionelement.rs
+++ b/components/script/dom/htmloptionelement.rs
@@ -77,6 +77,7 @@ impl HTMLOptionElement {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-option
+    #[allow(non_snake_case)]
     pub fn Option(
         window: &Window,
         text: DOMString,
diff --git a/components/script/dom/htmlscriptelement.rs b/components/script/dom/htmlscriptelement.rs
index 3a55590c81d..74773bad36b 100644
--- a/components/script/dom/htmlscriptelement.rs
+++ b/components/script/dom/htmlscriptelement.rs
@@ -26,7 +26,7 @@ use crate::dom::node::{document_from_node, window_from_node};
 use crate::dom::node::{BindContext, ChildrenMutation, CloneChildrenFlag, Node};
 use crate::dom::performanceresourcetiming::InitiatorType;
 use crate::dom::virtualmethods::VirtualMethods;
-use crate::fetch::create_a_potential_CORS_request;
+use crate::fetch::create_a_potential_cors_request;
 use crate::network_listener::{self, NetworkListener, PreInvoke, ResourceTimingListener};
 use crate::script_module::fetch_inline_module_script;
 use crate::script_module::{fetch_external_module_script, ModuleOwner};
@@ -326,7 +326,7 @@ pub(crate) fn script_fetch_request(
     referrer_policy: Option<ReferrerPolicy>,
     integrity_metadata: String,
 ) -> RequestBuilder {
-    create_a_potential_CORS_request(url, Destination::Script, cors_setting, None)
+    create_a_potential_cors_request(url, Destination::Script, cors_setting, None)
         .origin(origin)
         .pipeline_id(Some(pipeline_id))
         .referrer(Some(referrer))
diff --git a/components/script/dom/imagedata.rs b/components/script/dom/imagedata.rs
index b09984e267f..e17c82fffd4 100644
--- a/components/script/dom/imagedata.rs
+++ b/components/script/dom/imagedata.rs
@@ -128,14 +128,13 @@ impl ImageData {
         ))
     }
     // https://html.spec.whatwg.org/multipage/#pixel-manipulation:dom-imagedata-3
-    #[allow(unsafe_code)]
+    #[allow(unsafe_code, non_snake_case)]
     pub fn Constructor(global: &GlobalScope, width: u32, height: u32) -> Fallible<DomRoot<Self>> {
         unsafe { Self::new_without_jsobject(global, width, height) }
     }
 
     // https://html.spec.whatwg.org/multipage/#pixel-manipulation:dom-imagedata-4
-    #[allow(unsafe_code)]
-    #[allow(unused_variables)]
+    #[allow(unsafe_code, unused_variables, non_snake_case)]
     pub unsafe fn Constructor_(
         cx: JSContext,
         global: &GlobalScope,
diff --git a/components/script/dom/inputevent.rs b/components/script/dom/inputevent.rs
index 9a0925d7f21..7ef60327fcb 100644
--- a/components/script/dom/inputevent.rs
+++ b/components/script/dom/inputevent.rs
@@ -44,6 +44,7 @@ impl InputEvent {
         ev
     }
 
+    #[allow(non_snake_case)]
     pub fn Constructor(
         window: &Window,
         type_: DOMString,
diff --git a/components/script/dom/keyboardevent.rs b/components/script/dom/keyboardevent.rs
index cdf44774454..d2fdda5fcef 100644
--- a/components/script/dom/keyboardevent.rs
+++ b/components/script/dom/keyboardevent.rs
@@ -96,6 +96,7 @@ impl KeyboardEvent {
         ev
     }
 
+    #[allow(non_snake_case)]
     pub fn Constructor(
         window: &Window,
         type_: DOMString,
diff --git a/components/script/dom/mediaelementaudiosourcenode.rs b/components/script/dom/mediaelementaudiosourcenode.rs
index 07ca70bd80e..f748ac0251d 100644
--- a/components/script/dom/mediaelementaudiosourcenode.rs
+++ b/components/script/dom/mediaelementaudiosourcenode.rs
@@ -63,6 +63,7 @@ impl MediaElementAudioSourceNode {
         ))
     }
 
+    #[allow(non_snake_case)]
     pub fn Constructor(
         window: &Window,
         context: &AudioContext,
diff --git a/components/script/dom/mediametadata.rs b/components/script/dom/mediametadata.rs
index f2e94abfaa1..53346eba167 100644
--- a/components/script/dom/mediametadata.rs
+++ b/components/script/dom/mediametadata.rs
@@ -43,6 +43,7 @@ impl MediaMetadata {
     }
 
     /// https://w3c.github.io/mediasession/#dom-mediametadata-mediametadata
+    #[allow(non_snake_case)]
     pub fn Constructor(
         window: &Window,
         init: &MediaMetadataInit,
diff --git a/components/script/dom/mediaquerylistevent.rs b/components/script/dom/mediaquerylistevent.rs
index c665a27d9d3..6e05b50998a 100644
--- a/components/script/dom/mediaquerylistevent.rs
+++ b/components/script/dom/mediaquerylistevent.rs
@@ -56,6 +56,7 @@ impl MediaQueryListEvent {
         ev
     }
 
+    #[allow(non_snake_case)]
     pub fn Constructor(
         window: &Window,
         type_: DOMString,
diff --git a/components/script/dom/mediastream.rs b/components/script/dom/mediastream.rs
index 88729b57ce5..553177ce964 100644
--- a/components/script/dom/mediastream.rs
+++ b/components/script/dom/mediastream.rs
@@ -21,6 +21,7 @@ pub struct MediaStream {
     tracks: DomRefCell<Vec<Dom<MediaStreamTrack>>>,
 }
 
+#[allow(non_snake_case)]
 impl MediaStream {
     pub fn new_inherited() -> MediaStream {
         MediaStream {
diff --git a/components/script/dom/messagechannel.rs b/components/script/dom/messagechannel.rs
index efe883c6e6e..f43b6cd7c38 100644
--- a/components/script/dom/messagechannel.rs
+++ b/components/script/dom/messagechannel.rs
@@ -19,6 +19,7 @@ pub struct MessageChannel {
 
 impl MessageChannel {
     /// <https://html.spec.whatwg.org/multipage/#dom-messagechannel>
+    #[allow(non_snake_case)]
     pub fn Constructor(global: &GlobalScope) -> Fallible<DomRoot<MessageChannel>> {
         let incumbent = GlobalScope::incumbent().ok_or(Error::InvalidState)?;
 
diff --git a/components/script/dom/messageevent.rs b/components/script/dom/messageevent.rs
index 54a6f2ee588..62d7789e7e5 100644
--- a/components/script/dom/messageevent.rs
+++ b/components/script/dom/messageevent.rs
@@ -53,6 +53,7 @@ impl From<&WindowProxyOrMessagePortOrServiceWorker> for SrcObject {
 }
 
 #[dom_struct]
+#[allow(non_snake_case)]
 pub struct MessageEvent {
     event: Event,
     #[ignore_malloc_size_of = "mozjs"]
@@ -65,6 +66,7 @@ pub struct MessageEvent {
     frozen_ports: DomRefCell<Option<Heap<JSVal>>>,
 }
 
+#[allow(non_snake_case)]
 impl MessageEvent {
     pub fn new_inherited(
         origin: DOMString,
@@ -262,6 +264,7 @@ impl MessageEventMethods for MessageEvent {
     }
 
     /// <https://html.spec.whatwg.org/multipage/#dom-messageevent-initmessageevent>
+    #[allow(non_snake_case)]
     fn InitMessageEvent(
         &self,
         _cx: JSContext,
diff --git a/components/script/dom/mouseevent.rs b/components/script/dom/mouseevent.rs
index b6ba307af52..3975f57ace0 100644
--- a/components/script/dom/mouseevent.rs
+++ b/components/script/dom/mouseevent.rs
@@ -124,6 +124,7 @@ impl MouseEvent {
         ev
     }
 
+    #[allow(non_snake_case)]
     pub fn Constructor(
         window: &Window,
         type_: DOMString,
diff --git a/components/script/dom/mutationobserver.rs b/components/script/dom/mutationobserver.rs
index 6320c0497d2..111fc00f795 100644
--- a/components/script/dom/mutationobserver.rs
+++ b/components/script/dom/mutationobserver.rs
@@ -79,6 +79,7 @@ impl MutationObserver {
         }
     }
 
+    #[allow(non_snake_case)]
     pub fn Constructor(
         global: &Window,
         callback: Rc<MutationCallback>,
diff --git a/components/script/dom/navigatorinfo.rs b/components/script/dom/navigatorinfo.rs
index 0ebb9043765..e674834f14b 100644
--- a/components/script/dom/navigatorinfo.rs
+++ b/components/script/dom/navigatorinfo.rs
@@ -5,62 +5,76 @@
 use crate::dom::bindings::str::DOMString;
 use std::borrow::Cow;
 
+#[allow(non_snake_case)]
 pub fn Product() -> DOMString {
     DOMString::from("Gecko")
 }
 
+#[allow(non_snake_case)]
 pub fn ProductSub() -> DOMString {
     DOMString::from("20100101")
 }
 
+#[allow(non_snake_case)]
 pub fn Vendor() -> DOMString {
     DOMString::from("")
 }
 
+#[allow(non_snake_case)]
 pub fn VendorSub() -> DOMString {
     DOMString::from("")
 }
 
+#[allow(non_snake_case)]
 pub fn TaintEnabled() -> bool {
     false
 }
 
+#[allow(non_snake_case)]
 pub fn AppName() -> DOMString {
     DOMString::from("Netscape") // Like Gecko/Webkit
 }
 
+#[allow(non_snake_case)]
 pub fn AppCodeName() -> DOMString {
     DOMString::from("Mozilla")
 }
 
+#[allow(non_snake_case)]
 #[cfg(target_os = "windows")]
 pub fn Platform() -> DOMString {
     DOMString::from("Win32")
 }
 
+#[allow(non_snake_case)]
 #[cfg(any(target_os = "android", target_os = "linux"))]
 pub fn Platform() -> DOMString {
     DOMString::from("Linux")
 }
 
+#[allow(non_snake_case)]
 #[cfg(target_os = "macos")]
 pub fn Platform() -> DOMString {
     DOMString::from("Mac")
 }
 
+#[allow(non_snake_case)]
 #[cfg(target_os = "ios")]
 pub fn Platform() -> DOMString {
     DOMString::from("iOS")
 }
 
+#[allow(non_snake_case)]
 pub fn UserAgent(user_agent: Cow<'static, str>) -> DOMString {
     DOMString::from(&*user_agent)
 }
 
+#[allow(non_snake_case)]
 pub fn AppVersion() -> DOMString {
     DOMString::from("4.0")
 }
 
+#[allow(non_snake_case)]
 pub fn Language() -> DOMString {
     DOMString::from("en-US")
 }
diff --git a/components/script/dom/offlineaudiocompletionevent.rs b/components/script/dom/offlineaudiocompletionevent.rs
index 26180e93d74..f093f583608 100644
--- a/components/script/dom/offlineaudiocompletionevent.rs
+++ b/components/script/dom/offlineaudiocompletionevent.rs
@@ -47,6 +47,7 @@ impl OfflineAudioCompletionEvent {
         ev
     }
 
+    #[allow(non_snake_case)]
     pub fn Constructor(
         window: &Window,
         type_: DOMString,
diff --git a/components/script/dom/offlineaudiocontext.rs b/components/script/dom/offlineaudiocontext.rs
index d499e79c159..63ec3ffdbe2 100644
--- a/components/script/dom/offlineaudiocontext.rs
+++ b/components/script/dom/offlineaudiocontext.rs
@@ -41,6 +41,7 @@ pub struct OfflineAudioContext {
     pending_rendering_promise: DomRefCell<Option<Rc<Promise>>>,
 }
 
+#[allow(non_snake_case)]
 impl OfflineAudioContext {
     #[allow(unrooted_must_root)]
     fn new_inherited(
diff --git a/components/script/dom/offscreencanvas.rs b/components/script/dom/offscreencanvas.rs
index 704918510a6..70e0573a2c4 100644
--- a/components/script/dom/offscreencanvas.rs
+++ b/components/script/dom/offscreencanvas.rs
@@ -69,6 +69,7 @@ impl OffscreenCanvas {
         )
     }
 
+    #[allow(non_snake_case)]
     pub fn Constructor(
         global: &GlobalScope,
         width: u64,
diff --git a/components/script/dom/oscillatornode.rs b/components/script/dom/oscillatornode.rs
index e2b33f4639e..2a5f6615db6 100644
--- a/components/script/dom/oscillatornode.rs
+++ b/components/script/dom/oscillatornode.rs
@@ -95,6 +95,7 @@ impl OscillatorNode {
         ))
     }
 
+    #[allow(non_snake_case)]
     pub fn Constructor(
         window: &Window,
         context: &BaseAudioContext,
diff --git a/components/script/dom/pagetransitionevent.rs b/components/script/dom/pagetransitionevent.rs
index 0c07339c9fa..41be9fd2488 100644
--- a/components/script/dom/pagetransitionevent.rs
+++ b/components/script/dom/pagetransitionevent.rs
@@ -55,6 +55,7 @@ impl PageTransitionEvent {
         ev
     }
 
+    #[allow(non_snake_case)]
     pub fn Constructor(
         window: &Window,
         type_: DOMString,
diff --git a/components/script/dom/pannernode.rs b/components/script/dom/pannernode.rs
index 047ac0ef442..ae36a9cc701 100644
--- a/components/script/dom/pannernode.rs
+++ b/components/script/dom/pannernode.rs
@@ -184,6 +184,7 @@ impl PannerNode {
         ))
     }
 
+    #[allow(non_snake_case)]
     pub fn Constructor(
         window: &Window,
         context: &BaseAudioContext,
diff --git a/components/script/dom/performanceobserver.rs b/components/script/dom/performanceobserver.rs
index dc66e88b5a3..0683a3cb46e 100644
--- a/components/script/dom/performanceobserver.rs
+++ b/components/script/dom/performanceobserver.rs
@@ -61,6 +61,7 @@ impl PerformanceObserver {
         reflect_dom_object(Box::new(observer), global, PerformanceObserverBinding::Wrap)
     }
 
+    #[allow(non_snake_case)]
     pub fn Constructor(
         global: &GlobalScope,
         callback: Rc<PerformanceObserverCallback>,
diff --git a/components/script/dom/permissions.rs b/components/script/dom/permissions.rs
index fba7965eee1..66fe3f01be7 100644
--- a/components/script/dom/permissions.rs
+++ b/components/script/dom/permissions.rs
@@ -85,6 +85,7 @@ impl Permissions {
     // https://w3c.github.io/permissions/#dom-permissions-query
     // https://w3c.github.io/permissions/#dom-permissions-request
     // https://w3c.github.io/permissions/#dom-permissions-revoke
+    #[allow(non_snake_case)]
     fn manipulate(
         &self,
         op: Operation,
@@ -199,6 +200,7 @@ impl Permissions {
     }
 }
 
+#[allow(non_snake_case)]
 impl PermissionsMethods for Permissions {
     // https://w3c.github.io/permissions/#dom-permissions-query
     fn Query(&self, cx: JSContext, permissionDesc: *mut JSObject) -> Rc<Promise> {
diff --git a/components/script/dom/popstateevent.rs b/components/script/dom/popstateevent.rs
index d5cb3c0ff3a..9c4ba63cb93 100644
--- a/components/script/dom/popstateevent.rs
+++ b/components/script/dom/popstateevent.rs
@@ -61,6 +61,7 @@ impl PopStateEvent {
         ev
     }
 
+    #[allow(non_snake_case)]
     pub fn Constructor(
         window: &Window,
         type_: DOMString,
diff --git a/components/script/dom/progressevent.rs b/components/script/dom/progressevent.rs
index c5f33dfe305..325e247bc52 100644
--- a/components/script/dom/progressevent.rs
+++ b/components/script/dom/progressevent.rs
@@ -56,6 +56,8 @@ impl ProgressEvent {
         }
         ev
     }
+
+    #[allow(non_snake_case)]
     pub fn Constructor(
         global: &GlobalScope,
         type_: DOMString,
diff --git a/components/script/dom/promiserejectionevent.rs b/components/script/dom/promiserejectionevent.rs
index 19bf96b9b12..8e1e62bc18d 100644
--- a/components/script/dom/promiserejectionevent.rs
+++ b/components/script/dom/promiserejectionevent.rs
@@ -65,7 +65,7 @@ impl PromiseRejectionEvent {
         ev
     }
 
-    #[allow(unrooted_must_root)]
+    #[allow(unrooted_must_root, non_snake_case)]
     pub fn Constructor(
         global: &GlobalScope,
         type_: DOMString,
diff --git a/components/script/dom/radionodelist.rs b/components/script/dom/radionodelist.rs
index 21b7d39772b..6882aefff35 100644
--- a/components/script/dom/radionodelist.rs
+++ b/components/script/dom/radionodelist.rs
@@ -67,6 +67,7 @@ impl RadioNodeList {
 
     // https://dom.spec.whatwg.org/#dom-nodelist-length
     // https://github.com/servo/servo/issues/5875
+    #[allow(non_snake_case)]
     pub fn Length(&self) -> u32 {
         self.node_list.Length()
     }
diff --git a/components/script/dom/range.rs b/components/script/dom/range.rs
index 665469f4884..e9e62a9cdc0 100644
--- a/components/script/dom/range.rs
+++ b/components/script/dom/range.rs
@@ -83,6 +83,7 @@ impl Range {
     }
 
     // https://dom.spec.whatwg.org/#dom-range
+    #[allow(non_snake_case)]
     pub fn Constructor(window: &Window) -> Fallible<DomRoot<Range>> {
         let document = window.Document();
         Ok(Range::new_with_doc(&document))
diff --git a/components/script/dom/request.rs b/components/script/dom/request.rs
index dcd206e3eaf..d75c452c7b9 100644
--- a/components/script/dom/request.rs
+++ b/components/script/dom/request.rs
@@ -74,6 +74,7 @@ impl Request {
     }
 
     // https://fetch.spec.whatwg.org/#dom-request
+    #[allow(non_snake_case)]
     pub fn Constructor(
         global: &GlobalScope,
         input: RequestInfo,
diff --git a/components/script/dom/response.rs b/components/script/dom/response.rs
index 802e803b17f..f329b16c3c5 100644
--- a/components/script/dom/response.rs
+++ b/components/script/dom/response.rs
@@ -53,6 +53,7 @@ pub struct Response {
     stream_consumer: DomRefCell<Option<StreamConsumer>>,
 }
 
+#[allow(non_snake_case)]
 impl Response {
     pub fn new_inherited() -> Response {
         Response {
diff --git a/components/script/dom/rtcicecandidate.rs b/components/script/dom/rtcicecandidate.rs
index 9eefcd35134..a432010b858 100644
--- a/components/script/dom/rtcicecandidate.rs
+++ b/components/script/dom/rtcicecandidate.rs
@@ -59,6 +59,7 @@ impl RTCIceCandidate {
         )
     }
 
+    #[allow(non_snake_case)]
     pub fn Constructor(
         window: &Window,
         config: &RTCIceCandidateInit,
diff --git a/components/script/dom/rtcpeerconnection.rs b/components/script/dom/rtcpeerconnection.rs
index 9fbe4b8ce45..13ac289263d 100644
--- a/components/script/dom/rtcpeerconnection.rs
+++ b/components/script/dom/rtcpeerconnection.rs
@@ -196,6 +196,7 @@ impl RTCPeerConnection {
         this
     }
 
+    #[allow(non_snake_case)]
     pub fn Constructor(
         window: &Window,
         config: &RTCConfiguration,
diff --git a/components/script/dom/rtcpeerconnectioniceevent.rs b/components/script/dom/rtcpeerconnectioniceevent.rs
index 8293ed48696..795cb330829 100644
--- a/components/script/dom/rtcpeerconnectioniceevent.rs
+++ b/components/script/dom/rtcpeerconnectioniceevent.rs
@@ -56,6 +56,7 @@ impl RTCPeerConnectionIceEvent {
         e
     }
 
+    #[allow(non_snake_case)]
     pub fn Constructor(
         window: &Window,
         ty: DOMString,
diff --git a/components/script/dom/rtcsessiondescription.rs b/components/script/dom/rtcsessiondescription.rs
index 0ef79a321c6..68be62e577b 100644
--- a/components/script/dom/rtcsessiondescription.rs
+++ b/components/script/dom/rtcsessiondescription.rs
@@ -44,6 +44,7 @@ impl RTCSessionDescription {
         )
     }
 
+    #[allow(non_snake_case)]
     pub fn Constructor(
         window: &Window,
         config: &RTCSessionDescriptionInit,
diff --git a/components/script/dom/rtctrackevent.rs b/components/script/dom/rtctrackevent.rs
index 9c5d7bec362..386349bcaa1 100644
--- a/components/script/dom/rtctrackevent.rs
+++ b/components/script/dom/rtctrackevent.rs
@@ -50,6 +50,7 @@ impl RTCTrackEvent {
         trackevent
     }
 
+    #[allow(non_snake_case)]
     pub fn Constructor(
         window: &Window,
         type_: DOMString,
diff --git a/components/script/dom/stereopannernode.rs b/components/script/dom/stereopannernode.rs
index 3d57993889d..66383352086 100644
--- a/components/script/dom/stereopannernode.rs
+++ b/components/script/dom/stereopannernode.rs
@@ -83,6 +83,7 @@ impl StereoPannerNode {
         ))
     }
 
+    #[allow(non_snake_case)]
     pub fn Constructor(
         window: &Window,
         context: &BaseAudioContext,
diff --git a/components/script/dom/storageevent.rs b/components/script/dom/storageevent.rs
index 19e5a96da9c..c2ecaf59611 100644
--- a/components/script/dom/storageevent.rs
+++ b/components/script/dom/storageevent.rs
@@ -27,6 +27,7 @@ pub struct StorageEvent {
     storage_area: MutNullableDom<Storage>,
 }
 
+#[allow(non_snake_case)]
 impl StorageEvent {
     pub fn new_inherited(
         key: Option<DOMString>,
@@ -109,6 +110,7 @@ impl StorageEvent {
     }
 }
 
+#[allow(non_snake_case)]
 impl StorageEventMethods for StorageEvent {
     // https://html.spec.whatwg.org/multipage/#dom-storageevent-key
     fn GetKey(&self) -> Option<DOMString> {
diff --git a/components/script/dom/svgsvgelement.rs b/components/script/dom/svgsvgelement.rs
index efc1e00ff33..57f88db6f5b 100644
--- a/components/script/dom/svgsvgelement.rs
+++ b/components/script/dom/svgsvgelement.rs
@@ -55,7 +55,7 @@ pub trait LayoutSVGSVGElementHelpers {
 }
 
 impl LayoutSVGSVGElementHelpers for LayoutDom<SVGSVGElement> {
-    #[allow(unsafe_code)]
+    #[allow(unsafe_code, non_snake_case)]
     fn data(&self) -> SVGSVGData {
         unsafe {
             let SVG = &*self.unsafe_get();
diff --git a/components/script/dom/testbinding.rs b/components/script/dom/testbinding.rs
index 475f432417f..52018d73b6f 100644
--- a/components/script/dom/testbinding.rs
+++ b/components/script/dom/testbinding.rs
@@ -72,6 +72,7 @@ pub struct TestBinding {
     url: MutableWeakRef<URL>,
 }
 
+#[allow(non_snake_case)]
 impl TestBinding {
     fn new_inherited() -> TestBinding {
         TestBinding {
@@ -1076,6 +1077,7 @@ impl TestBindingMethods for TestBinding {
     }
 }
 
+#[allow(non_snake_case)]
 impl TestBinding {
     pub fn BooleanAttributeStatic(_: &GlobalScope) -> bool {
         false
diff --git a/components/script/dom/testbindingiterable.rs b/components/script/dom/testbindingiterable.rs
index 2bf8fa547ca..d2ee66521ff 100644
--- a/components/script/dom/testbindingiterable.rs
+++ b/components/script/dom/testbindingiterable.rs
@@ -33,6 +33,7 @@ impl TestBindingIterable {
         )
     }
 
+    #[allow(non_snake_case)]
     pub fn Constructor(global: &GlobalScope) -> Fallible<DomRoot<TestBindingIterable>> {
         Ok(TestBindingIterable::new(global))
     }
diff --git a/components/script/dom/testbindingpairiterable.rs b/components/script/dom/testbindingpairiterable.rs
index a1957fd74eb..8c85de40f0c 100644
--- a/components/script/dom/testbindingpairiterable.rs
+++ b/components/script/dom/testbindingpairiterable.rs
@@ -59,6 +59,7 @@ impl TestBindingPairIterable {
         )
     }
 
+    #[allow(non_snake_case)]
     pub fn Constructor(global: &GlobalScope) -> Fallible<DomRoot<TestBindingPairIterable>> {
         Ok(TestBindingPairIterable::new(global))
     }
diff --git a/components/script/dom/testrunner.rs b/components/script/dom/testrunner.rs
index 69c993a1423..5adc77e0d0c 100644
--- a/components/script/dom/testrunner.rs
+++ b/components/script/dom/testrunner.rs
@@ -42,6 +42,7 @@ impl TestRunner {
 
 impl TestRunnerMethods for TestRunner {
     // https://webbluetoothcg.github.io/web-bluetooth/tests#setBluetoothMockDataSet
+    #[allow(non_snake_case)]
     fn SetBluetoothMockDataSet(&self, dataSetName: DOMString) -> ErrorResult {
         let (sender, receiver) = ipc::channel(self.global().time_profiler_chan().clone()).unwrap();
         self.get_bluetooth_thread()
diff --git a/components/script/dom/testworklet.rs b/components/script/dom/testworklet.rs
index c3d214a306b..5d44203d024 100644
--- a/components/script/dom/testworklet.rs
+++ b/components/script/dom/testworklet.rs
@@ -45,12 +45,14 @@ impl TestWorklet {
         )
     }
 
+    #[allow(non_snake_case)]
     pub fn Constructor(window: &Window) -> Fallible<DomRoot<TestWorklet>> {
         Ok(TestWorklet::new(window))
     }
 }
 
 impl TestWorkletMethods for TestWorklet {
+    #[allow(non_snake_case)]
     fn AddModule(
         &self,
         moduleURL: USVString,
diff --git a/components/script/dom/text.rs b/components/script/dom/text.rs
index 541bfd1ebd5..36273f933a2 100644
--- a/components/script/dom/text.rs
+++ b/components/script/dom/text.rs
@@ -38,6 +38,7 @@ impl Text {
         )
     }
 
+    #[allow(non_snake_case)]
     pub fn Constructor(window: &Window, text: DOMString) -> Fallible<DomRoot<Text>> {
         let document = window.Document();
         Ok(Text::new(text, &document))
diff --git a/components/script/dom/textdecoder.rs b/components/script/dom/textdecoder.rs
index 84d07abf391..484ac269ec6 100644
--- a/components/script/dom/textdecoder.rs
+++ b/components/script/dom/textdecoder.rs
@@ -18,6 +18,7 @@ use std::borrow::ToOwned;
 use std::cell::{Cell, RefCell};
 
 #[dom_struct]
+#[allow(non_snake_case)]
 pub struct TextDecoder {
     reflector_: Reflector,
     encoding: &'static Encoding,
@@ -29,6 +30,7 @@ pub struct TextDecoder {
     do_not_flush: Cell<bool>,
 }
 
+#[allow(non_snake_case)]
 impl TextDecoder {
     fn new_inherited(encoding: &'static Encoding, fatal: bool, ignoreBOM: bool) -> TextDecoder {
         TextDecoder {
diff --git a/components/script/dom/textencoder.rs b/components/script/dom/textencoder.rs
index fae24beaf78..65d41c1c88e 100644
--- a/components/script/dom/textencoder.rs
+++ b/components/script/dom/textencoder.rs
@@ -37,6 +37,7 @@ impl TextEncoder {
     }
 
     // https://encoding.spec.whatwg.org/#dom-textencoder
+    #[allow(non_snake_case)]
     pub fn Constructor(global: &GlobalScope) -> Fallible<DomRoot<TextEncoder>> {
         Ok(TextEncoder::new(global))
     }
diff --git a/components/script/dom/textmetrics.rs b/components/script/dom/textmetrics.rs
index 867071bd0aa..eca24e19452 100644
--- a/components/script/dom/textmetrics.rs
+++ b/components/script/dom/textmetrics.rs
@@ -11,6 +11,7 @@ use crate::dom::globalscope::GlobalScope;
 use dom_struct::dom_struct;
 
 #[dom_struct]
+#[allow(non_snake_case)]
 pub struct TextMetrics {
     reflector_: Reflector,
     width: Finite<f64>,
@@ -27,6 +28,7 @@ pub struct TextMetrics {
     ideographicBaseline: Finite<f64>,
 }
 
+#[allow(non_snake_case)]
 impl TextMetrics {
     fn new_inherited(
         width: f64,
diff --git a/components/script/dom/trackevent.rs b/components/script/dom/trackevent.rs
index 5a734a0e4c9..634548eb351 100644
--- a/components/script/dom/trackevent.rs
+++ b/components/script/dom/trackevent.rs
@@ -34,6 +34,7 @@ pub struct TrackEvent {
     track: Option<MediaTrack>,
 }
 
+#[allow(non_snake_case)]
 impl TrackEvent {
     #[allow(unrooted_must_root)]
     fn new_inherited(track: &Option<VideoTrackOrAudioTrackOrTextTrack>) -> TrackEvent {
@@ -90,6 +91,7 @@ impl TrackEvent {
     }
 }
 
+#[allow(non_snake_case)]
 impl TrackEventMethods for TrackEvent {
     // https://html.spec.whatwg.org/multipage/#dom-trackevent-track
     fn GetTrack(&self) -> Option<VideoTrackOrAudioTrackOrTextTrack> {
diff --git a/components/script/dom/transitionevent.rs b/components/script/dom/transitionevent.rs
index e9f87d623cb..5f4d5aa7088 100644
--- a/components/script/dom/transitionevent.rs
+++ b/components/script/dom/transitionevent.rs
@@ -53,6 +53,7 @@ impl TransitionEvent {
         ev
     }
 
+    #[allow(non_snake_case)]
     pub fn Constructor(
         window: &Window,
         type_: DOMString,
diff --git a/components/script/dom/uievent.rs b/components/script/dom/uievent.rs
index b9ab31958c9..45bdda0ccc6 100644
--- a/components/script/dom/uievent.rs
+++ b/components/script/dom/uievent.rs
@@ -61,6 +61,7 @@ impl UIEvent {
         ev
     }
 
+    #[allow(non_snake_case)]
     pub fn Constructor(
         window: &Window,
         type_: DOMString,
diff --git a/components/script/dom/url.rs b/components/script/dom/url.rs
index cc6c83e2c18..715d1ededd7 100644
--- a/components/script/dom/url.rs
+++ b/components/script/dom/url.rs
@@ -69,6 +69,7 @@ impl URL {
     }
 }
 
+#[allow(non_snake_case)]
 impl URL {
     // https://url.spec.whatwg.org/#constructors
     pub fn Constructor(
diff --git a/components/script/dom/urlhelper.rs b/components/script/dom/urlhelper.rs
index 69cad894c99..144212e0600 100644
--- a/components/script/dom/urlhelper.rs
+++ b/components/script/dom/urlhelper.rs
@@ -10,6 +10,7 @@ use url::quirks;
 #[derive(MallocSizeOf)]
 pub struct UrlHelper;
 
+#[allow(non_snake_case)]
 impl UrlHelper {
     pub fn Origin(url: &ServoUrl) -> USVString {
         USVString(quirks::origin(url.as_url()).to_owned())
diff --git a/components/script/dom/urlsearchparams.rs b/components/script/dom/urlsearchparams.rs
index 3664d30d1f7..670304a75a1 100644
--- a/components/script/dom/urlsearchparams.rs
+++ b/components/script/dom/urlsearchparams.rs
@@ -45,6 +45,7 @@ impl URLSearchParams {
     }
 
     // https://url.spec.whatwg.org/#dom-urlsearchparams-urlsearchparams
+    #[allow(non_snake_case)]
     pub fn Constructor(
         global: &GlobalScope,
         init: USVStringSequenceSequenceOrUSVStringUSVStringRecordOrUSVString,
diff --git a/components/script/dom/vrdisplay.rs b/components/script/dom/vrdisplay.rs
index c3652fea392..d10c4bede11 100644
--- a/components/script/dom/vrdisplay.rs
+++ b/components/script/dom/vrdisplay.rs
@@ -212,7 +212,7 @@ impl VRDisplayMethods for VRDisplay {
     }
 
     // https://w3c.github.io/webvr/#dom-vrdisplay-getframedata-framedata-framedata
-    fn GetFrameData(&self, frameData: &VRFrameData) -> bool {
+    fn GetFrameData(&self, frame_data: &VRFrameData) -> bool {
         // If presenting we use a synced data with compositor for the whole frame.
         // Frame data is only synced with compositor when GetFrameData is called from
         // inside the VRDisplay.requestAnimationFrame. This is checked using the running_display_raf property.
@@ -223,7 +223,7 @@ impl VRDisplayMethods for VRDisplay {
             if self.frame_data_status.get() == VRFrameDataStatus::Waiting {
                 self.sync_frame_data();
             }
-            frameData.update(&self.frame_data.borrow());
+            frame_data.update(&self.frame_data.borrow());
             return true;
         }
 
@@ -240,7 +240,7 @@ impl VRDisplayMethods for VRDisplay {
             .unwrap();
         return match receiver.recv().unwrap() {
             Ok(data) => {
-                frameData.update(&data);
+                frame_data.update(&data);
                 true
             },
             Err(e) => {
diff --git a/components/script/dom/vrdisplayevent.rs b/components/script/dom/vrdisplayevent.rs
index 20e028463d0..711349b4496 100644
--- a/components/script/dom/vrdisplayevent.rs
+++ b/components/script/dom/vrdisplayevent.rs
@@ -91,6 +91,7 @@ impl VRDisplayEvent {
         )
     }
 
+    #[allow(non_snake_case)]
     pub fn Constructor(
         window: &Window,
         type_: DOMString,
diff --git a/components/script/dom/vrframedata.rs b/components/script/dom/vrframedata.rs
index b7b8c743080..d4e92433f10 100644
--- a/components/script/dom/vrframedata.rs
+++ b/components/script/dom/vrframedata.rs
@@ -71,6 +71,7 @@ impl VRFrameData {
         root
     }
 
+    #[allow(non_snake_case)]
     pub fn Constructor(window: &Window) -> Fallible<DomRoot<VRFrameData>> {
         Ok(VRFrameData::new(&window.global()))
     }
diff --git a/components/script/dom/webgl2renderingcontext.rs b/components/script/dom/webgl2renderingcontext.rs
index af11e947eda..2d782d8604f 100644
--- a/components/script/dom/webgl2renderingcontext.rs
+++ b/components/script/dom/webgl2renderingcontext.rs
@@ -2708,6 +2708,7 @@ impl WebGL2RenderingContextMethods for WebGL2RenderingContext {
     }
 
     /// https://www.khronos.org/registry/webgl/specs/latest/2.0/#3.7.15
+    #[allow(non_snake_case)]
     fn BeginTransformFeedback(&self, primitiveMode: u32) {
         match primitiveMode {
             constants::POINTS | constants::LINES | constants::TRIANGLES => {},
@@ -2775,6 +2776,7 @@ impl WebGL2RenderingContextMethods for WebGL2RenderingContext {
     }
 
     /// https://www.khronos.org/registry/webgl/specs/latest/2.0/#3.7.15
+    #[allow(non_snake_case)]
     fn TransformFeedbackVaryings(
         &self,
         program: &WebGLProgram,
diff --git a/components/script/dom/webglcontextevent.rs b/components/script/dom/webglcontextevent.rs
index e4b0efe0360..f9714fc37e9 100644
--- a/components/script/dom/webglcontextevent.rs
+++ b/components/script/dom/webglcontextevent.rs
@@ -63,6 +63,7 @@ impl WebGLContextEvent {
         event
     }
 
+    #[allow(non_snake_case)]
     pub fn Constructor(
         window: &Window,
         type_: DOMString,
diff --git a/components/script/dom/websocket.rs b/components/script/dom/websocket.rs
index c931437bd4f..2354bdef91f 100644
--- a/components/script/dom/websocket.rs
+++ b/components/script/dom/websocket.rs
@@ -143,6 +143,7 @@ impl WebSocket {
     }
 
     /// <https://html.spec.whatwg.org/multipage/#dom-websocket>
+    #[allow(non_snake_case)]
     pub fn Constructor(
         global: &GlobalScope,
         url: DOMString,
diff --git a/components/script/dom/wheelevent.rs b/components/script/dom/wheelevent.rs
index 4c3d6d94efa..8b8ef288282 100644
--- a/components/script/dom/wheelevent.rs
+++ b/components/script/dom/wheelevent.rs
@@ -73,6 +73,7 @@ impl WheelEvent {
         ev
     }
 
+    #[allow(non_snake_case)]
     pub fn Constructor(
         window: &Window,
         type_: DOMString,
diff --git a/components/script/dom/windowproxy.rs b/components/script/dom/windowproxy.rs
index 6aa0b9244cf..21e40f79989 100644
--- a/components/script/dom/windowproxy.rs
+++ b/components/script/dom/windowproxy.rs
@@ -743,7 +743,7 @@ fn parse_open_feature_boolean(tokenized_features: &IndexMap<String, String>, nam
 // This is only called from extern functions,
 // there's no use using the lifetimed handles here.
 // https://html.spec.whatwg.org/multipage/#accessing-other-browsing-contexts
-#[allow(unsafe_code)]
+#[allow(unsafe_code, non_snake_case)]
 unsafe fn GetSubframeWindowProxy(
     cx: *mut JSContext,
     proxy: RawHandleObject,
@@ -797,7 +797,7 @@ unsafe fn GetSubframeWindowProxy(
     None
 }
 
-#[allow(unsafe_code)]
+#[allow(unsafe_code, non_snake_case)]
 unsafe extern "C" fn getOwnPropertyDescriptor(
     cx: *mut JSContext,
     proxy: RawHandleObject,
@@ -828,7 +828,7 @@ unsafe extern "C" fn getOwnPropertyDescriptor(
     true
 }
 
-#[allow(unsafe_code)]
+#[allow(unsafe_code, non_snake_case)]
 unsafe extern "C" fn defineProperty(
     cx: *mut JSContext,
     proxy: RawHandleObject,
@@ -1044,7 +1044,7 @@ unsafe extern "C" fn delete_xorigin(
     throw_security_error(cx)
 }
 
-#[allow(unsafe_code)]
+#[allow(unsafe_code, non_snake_case)]
 unsafe extern "C" fn getOwnPropertyDescriptor_xorigin(
     cx: *mut JSContext,
     proxy: RawHandleObject,
@@ -1056,7 +1056,7 @@ unsafe extern "C" fn getOwnPropertyDescriptor_xorigin(
     found && getOwnPropertyDescriptor(cx, proxy, id, desc)
 }
 
-#[allow(unsafe_code)]
+#[allow(unsafe_code, non_snake_case)]
 unsafe extern "C" fn defineProperty_xorigin(
     cx: *mut JSContext,
     _: RawHandleObject,
@@ -1067,7 +1067,7 @@ unsafe extern "C" fn defineProperty_xorigin(
     throw_security_error(cx)
 }
 
-#[allow(unsafe_code)]
+#[allow(unsafe_code, non_snake_case)]
 unsafe extern "C" fn preventExtensions_xorigin(
     cx: *mut JSContext,
     _: RawHandleObject,
diff --git a/components/script/dom/worker.rs b/components/script/dom/worker.rs
index 7eb958cd095..a35efd3ef3b 100644
--- a/components/script/dom/worker.rs
+++ b/components/script/dom/worker.rs
@@ -76,7 +76,7 @@ impl Worker {
     }
 
     // https://html.spec.whatwg.org/multipage/#dom-worker
-    #[allow(unsafe_code)]
+    #[allow(unsafe_code, non_snake_case)]
     pub fn Constructor(
         global: &GlobalScope,
         script_url: USVString,
diff --git a/components/script/dom/xmlhttprequest.rs b/components/script/dom/xmlhttprequest.rs
index ce90aed8f44..1e8176cb781 100644
--- a/components/script/dom/xmlhttprequest.rs
+++ b/components/script/dom/xmlhttprequest.rs
@@ -224,6 +224,7 @@ impl XMLHttpRequest {
     }
 
     // https://xhr.spec.whatwg.org/#constructors
+    #[allow(non_snake_case)]
     pub fn Constructor(global: &GlobalScope) -> Fallible<DomRoot<XMLHttpRequest>> {
         Ok(XMLHttpRequest::new(global))
     }
diff --git a/components/script/dom/xmlserializer.rs b/components/script/dom/xmlserializer.rs
index 350da26abf9..bb5085b1738 100644
--- a/components/script/dom/xmlserializer.rs
+++ b/components/script/dom/xmlserializer.rs
@@ -35,6 +35,7 @@ impl XMLSerializer {
         )
     }
 
+    #[allow(non_snake_case)]
     pub fn Constructor(window: &Window) -> Fallible<DomRoot<XMLSerializer>> {
         Ok(XMLSerializer::new(window))
     }
diff --git a/components/script/dom/xrinputsourceevent.rs b/components/script/dom/xrinputsourceevent.rs
index aa177f1df9a..445ad84f59a 100644
--- a/components/script/dom/xrinputsourceevent.rs
+++ b/components/script/dom/xrinputsourceevent.rs
@@ -56,6 +56,7 @@ impl XRInputSourceEvent {
         trackevent
     }
 
+    #[allow(non_snake_case)]
     pub fn Constructor(
         window: &Window,
         type_: DOMString,
diff --git a/components/script/dom/xrinputsourceschangeevent.rs b/components/script/dom/xrinputsourceschangeevent.rs
index f5a2e6f33ad..3b68a3b8d2a 100644
--- a/components/script/dom/xrinputsourceschangeevent.rs
+++ b/components/script/dom/xrinputsourceschangeevent.rs
@@ -77,6 +77,7 @@ impl XRInputSourcesChangeEvent {
         changeevent
     }
 
+    #[allow(non_snake_case)]
     pub fn Constructor(
         window: &Window,
         type_: DOMString,
diff --git a/components/script/dom/xrrigidtransform.rs b/components/script/dom/xrrigidtransform.rs
index 2b09b89e096..86593ae6b97 100644
--- a/components/script/dom/xrrigidtransform.rs
+++ b/components/script/dom/xrrigidtransform.rs
@@ -59,6 +59,7 @@ impl XRRigidTransform {
     }
 
     // https://immersive-web.github.io/webxr/#dom-xrrigidtransform-xrrigidtransform
+    #[allow(non_snake_case)]
     pub fn Constructor(
         window: &Window,
         position: &DOMPointInit,
diff --git a/components/script/dom/xrsessionevent.rs b/components/script/dom/xrsessionevent.rs
index 6c2e8c0fb00..18a8b83a8c3 100644
--- a/components/script/dom/xrsessionevent.rs
+++ b/components/script/dom/xrsessionevent.rs
@@ -50,6 +50,7 @@ impl XRSessionEvent {
         trackevent
     }
 
+    #[allow(non_snake_case)]
     pub fn Constructor(
         window: &Window,
         type_: DOMString,
diff --git a/components/script/dom/xrwebgllayer.rs b/components/script/dom/xrwebgllayer.rs
index 498a5035ce0..f6e05844dd8 100644
--- a/components/script/dom/xrwebgllayer.rs
+++ b/components/script/dom/xrwebgllayer.rs
@@ -83,6 +83,7 @@ impl XRWebGLLayer {
     }
 
     /// https://immersive-web.github.io/webxr/#dom-xrwebgllayer-xrwebgllayer
+    #[allow(non_snake_case)]
     pub fn Constructor(
         global: &Window,
         session: &XRSession,
diff --git a/components/script/fetch.rs b/components/script/fetch.rs
index e7f045895d8..d03976bf94d 100644
--- a/components/script/fetch.rs
+++ b/components/script/fetch.rs
@@ -132,7 +132,7 @@ fn request_init_from_request(request: NetTraitsRequest) -> RequestBuilder {
 }
 
 // https://fetch.spec.whatwg.org/#fetch-method
-#[allow(unrooted_must_root)]
+#[allow(unrooted_must_root, non_snake_case)]
 pub fn Fetch(
     global: &GlobalScope,
     input: RequestInfo,
@@ -349,7 +349,7 @@ pub fn load_whole_resource(
 }
 
 /// https://html.spec.whatwg.org/multipage/#create-a-potential-cors-request
-pub(crate) fn create_a_potential_CORS_request(
+pub(crate) fn create_a_potential_cors_request(
     url: ServoUrl,
     destination: Destination,
     cors_setting: Option<CorsSettings>,
diff --git a/components/script/lib.rs b/components/script/lib.rs
index 2ae7f76923a..e74af20db42 100644
--- a/components/script/lib.rs
+++ b/components/script/lib.rs
@@ -9,7 +9,6 @@
 #![feature(plugin)]
 #![feature(register_tool)]
 #![deny(unsafe_code)]
-#![allow(non_snake_case)]
 #![doc = "The script crate contains all matters DOM."]
 #![cfg_attr(not(feature = "unrooted_must_root_lint"), allow(unknown_lints))]
 #![allow(deprecated)] // FIXME: Can we make `allow` only apply to the `plugin` crate attribute?
diff --git a/components/script/script_module.rs b/components/script/script_module.rs
index 4bb60f5a233..91fca91e6a0 100644
--- a/components/script/script_module.rs
+++ b/components/script/script_module.rs
@@ -1050,7 +1050,7 @@ impl ResourceTimingListener for ModuleContext {
 
 impl PreInvoke for ModuleContext {}
 
-#[allow(unsafe_code)]
+#[allow(unsafe_code, non_snake_case)]
 /// A function to register module hooks (e.g. listening on resolving modules,
 /// getting module metadata, getting script private reference and resolving dynamic import)
 pub unsafe fn EnsureModuleHooksInitialized(rt: *mut JSRuntime) {
@@ -1065,7 +1065,7 @@ pub unsafe fn EnsureModuleHooksInitialized(rt: *mut JSRuntime) {
     SetModuleDynamicImportHook(rt, None);
 }
 
-#[allow(unsafe_code)]
+#[allow(unsafe_code, non_snake_case)]
 /// https://tc39.github.io/ecma262/#sec-hostresolveimportedmodule
 /// https://html.spec.whatwg.org/multipage/#hostresolveimportedmodule(referencingscriptormodule%2C-specifier)
 unsafe extern "C" fn HostResolveImportedModule(
diff --git a/components/script/script_runtime.rs b/components/script/script_runtime.rs
index 284c49312c6..b84178a166f 100644
--- a/components/script/script_runtime.rs
+++ b/components/script/script_runtime.rs
@@ -904,7 +904,7 @@ impl StreamConsumer {
 unsafe extern "C" fn consume_stream(
     _cx: *mut RawJSContext,
     obj: HandleObject,
-    _mimeType: MimeType,
+    _mime_type: MimeType,
     _consumer: *mut JSStreamConsumer,
 ) -> bool {
     let cx = JSContext::from_ptr(_cx);
diff --git a/components/script/stylesheet_loader.rs b/components/script/stylesheet_loader.rs
index 82b5bbdf532..8e3f3624fb1 100644
--- a/components/script/stylesheet_loader.rs
+++ b/components/script/stylesheet_loader.rs
@@ -16,7 +16,7 @@ use crate::dom::htmllinkelement::{HTMLLinkElement, RequestGenerationId};
 use crate::dom::node::{containing_shadow_root, document_from_node, window_from_node};
 use crate::dom::performanceresourcetiming::InitiatorType;
 use crate::dom::shadowroot::ShadowRoot;
-use crate::fetch::create_a_potential_CORS_request;
+use crate::fetch::create_a_potential_cors_request;
 use crate::network_listener::{self, NetworkListener, PreInvoke, ResourceTimingListener};
 use cssparser::SourceLocation;
 use encoding_rs::UTF_8;
@@ -344,7 +344,7 @@ pub(crate) fn stylesheet_fetch_request(
     referrer_policy: Option<ReferrerPolicy>,
     integrity_metadata: String,
 ) -> RequestBuilder {
-    create_a_potential_CORS_request(url, Destination::Style, cors_setting, None)
+    create_a_potential_cors_request(url, Destination::Style, cors_setting, None)
         .origin(origin)
         .pipeline_id(Some(pipeline_id))
         .referrer(Some(referrer))
diff --git a/components/script/test.rs b/components/script/test.rs
index 5cb2dca8006..247acb80940 100644
--- a/components/script/test.rs
+++ b/components/script/test.rs
@@ -15,6 +15,7 @@ pub mod area {
     pub use crate::dom::htmlareaelement::{Area, Shape};
 }
 
+#[allow(non_snake_case)]
 pub mod size_of {
     use crate::dom::characterdata::CharacterData;
     use crate::dom::element::Element;
diff --git a/components/script/webdriver_handlers.rs b/components/script/webdriver_handlers.rs
index cea4cca5c71..f177f8e4c30 100644
--- a/components/script/webdriver_handlers.rs
+++ b/components/script/webdriver_handlers.rs
@@ -383,14 +383,14 @@ fn get_element_in_view_center_point(element: &Element) -> Option<Point2D<i64>> {
                     let width = rectangle.Width().round() as i64;
                     let height = rectangle.Height().round() as i64;
 
-                    let clientWidth = body.ClientWidth() as i64;
-                    let clientHeight = body.ClientHeight() as i64;
+                    let client_width = body.ClientWidth() as i64;
+                    let client_height = body.ClientHeight() as i64;
 
                     // Steps 2 - 5
                     let left = cmp::max(0, cmp::min(x, x + width));
-                    let right = cmp::min(clientWidth, cmp::max(x, x + width));
+                    let right = cmp::min(client_width, cmp::max(x, x + width));
                     let top = cmp::max(0, cmp::min(y, y + height));
-                    let bottom = cmp::min(clientHeight, cmp::max(y, y + height));
+                    let bottom = cmp::min(client_height, cmp::max(y, y + height));
 
                     // Steps 6 - 7
                     let x = (left + right) / 2;