Auto merge of #11329 - c-rhodes:11320, r=jdm

Report use statements that use {} with only one entry

Thank you for contributing to Servo! Please replace each `[ ]` by `[X]` when the step is complete, and replace `__` with appropriate data:
- [X ] `./mach build -d` does not report any errors
- [X ] `./mach test-tidy --faster` does not report any errors
- [X ] These changes fix #11320  (github issue number if applicable).

Either:
- [X] There are tests for these changes OR
- [ ] These changes do not require tests because _____

Pull requests that do not address these steps are welcome, but they will require additional verification as part of the review process.

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18 files changed, 18 insertions, 19 deletions

diff --git a/components/script/dom/bindings/utils.rs b/components/script/dom/bindings/utils.rs
index cf1f437b1cf..0f0d5bcf00e 100644
--- a/components/script/dom/bindings/utils.rs
+++ b/components/script/dom/bindings/utils.rs
@@ -16,6 +16,7 @@ use dom::bindings::trace::trace_object;
 use dom::browsingcontext;
 use heapsize::HeapSizeOf;
 use js;
+use js::JS_CALLEE;
 use js::glue::{CallJitGetterOp, CallJitMethodOp, CallJitSetterOp, IsWrapper};
 use js::glue::{GetCrossCompartmentWrapper, WrapperNew};
 use js::glue::{RUST_FUNCTION_VALUE_TO_JITINFO, RUST_JSID_IS_INT, RUST_JSID_IS_STRING};
@@ -32,7 +33,6 @@ use js::jsapi::{JS_SetReservedSlot, JS_StringHasLatin1Chars, MutableHandleValue,
 use js::jsapi::{OnNewGlobalHookOption, RootedObject, RootedValue};
 use js::jsval::{JSVal, ObjectValue, PrivateValue, UndefinedValue};
 use js::rust::{GCMethods, ToString};
-use js::{JS_CALLEE};
 use libc;
 use std::default::Default;
 use std::ffi::CString;
diff --git a/components/script/dom/document.rs b/components/script/dom/document.rs
index 59deb93abd2..00dec5d995f 100644
--- a/components/script/dom/document.rs
+++ b/components/script/dom/document.rs
@@ -100,7 +100,7 @@ use net_traits::CookieSource::NonHTTP;
 use net_traits::CoreResourceMsg::{GetCookiesForUrl, SetCookiesForUrl};
 use net_traits::response::HttpsState;
 use net_traits::{AsyncResponseTarget, PendingAsyncLoad, IpcSend};
-use num_traits::{ToPrimitive};
+use num_traits::ToPrimitive;
 use origin::Origin;
 use parse::{ParserRoot, ParserRef, MutNullableParserField};
 use script_thread::{MainThreadScriptMsg, Runnable};
diff --git a/components/script/dom/domquad.rs b/components/script/dom/domquad.rs
index dbfb1f201d4..a53464739dc 100644
--- a/components/script/dom/domquad.rs
+++ b/components/script/dom/domquad.rs
@@ -4,7 +4,7 @@
 
 use dom::bindings::codegen::Bindings::DOMPointBinding::{DOMPointInit, DOMPointMethods};
 use dom::bindings::codegen::Bindings::DOMQuadBinding::{DOMQuadInit, DOMQuadMethods, Wrap};
-use dom::bindings::codegen::Bindings::DOMRectReadOnlyBinding::{DOMRectInit};
+use dom::bindings::codegen::Bindings::DOMRectReadOnlyBinding::DOMRectInit;
 use dom::bindings::error::Fallible;
 use dom::bindings::global::GlobalRef;
 use dom::bindings::js::{Root, JS};
diff --git a/components/script/dom/forcetouchevent.rs b/components/script/dom/forcetouchevent.rs
index 95532cb5c8f..1bc8a966cc5 100644
--- a/components/script/dom/forcetouchevent.rs
+++ b/components/script/dom/forcetouchevent.rs
@@ -7,7 +7,7 @@ use dom::bindings::codegen::Bindings::ForceTouchEventBinding::ForceTouchEventMet
 use dom::bindings::codegen::Bindings::UIEventBinding::UIEventMethods;
 use dom::bindings::global::GlobalRef;
 use dom::bindings::inheritance::Castable;
-use dom::bindings::js::{Root};
+use dom::bindings::js::Root;
 use dom::bindings::num::Finite;
 use dom::bindings::reflector::reflect_dom_object;
 use dom::bindings::str::DOMString;
diff --git a/components/script/dom/htmliframeelement.rs b/components/script/dom/htmliframeelement.rs
index 6156f1db957..a4d1958445b 100644
--- a/components/script/dom/htmliframeelement.rs
+++ b/components/script/dom/htmliframeelement.rs
@@ -13,7 +13,7 @@ use dom::bindings::codegen::Bindings::BrowserElementBinding::BrowserShowModalPro
 use dom::bindings::codegen::Bindings::HTMLIFrameElementBinding;
 use dom::bindings::codegen::Bindings::HTMLIFrameElementBinding::HTMLIFrameElementMethods;
 use dom::bindings::codegen::Bindings::WindowBinding::WindowMethods;
-use dom::bindings::conversions::{ToJSValConvertible};
+use dom::bindings::conversions::ToJSValConvertible;
 use dom::bindings::error::{Error, ErrorResult};
 use dom::bindings::global::GlobalRef;
 use dom::bindings::inheritance::Castable;
diff --git a/components/script/dom/htmllinkelement.rs b/components/script/dom/htmllinkelement.rs
index 88de9756267..81b516e0772 100644
--- a/components/script/dom/htmllinkelement.rs
+++ b/components/script/dom/htmllinkelement.rs
@@ -9,8 +9,7 @@ use dom::bindings::cell::DOMRefCell;
 use dom::bindings::codegen::Bindings::HTMLLinkElementBinding;
 use dom::bindings::codegen::Bindings::HTMLLinkElementBinding::HTMLLinkElementMethods;
 use dom::bindings::inheritance::Castable;
-use dom::bindings::js::{JS, MutNullableHeap, Root};
-use dom::bindings::js::{RootedReference};
+use dom::bindings::js::{JS, MutNullableHeap, Root, RootedReference};
 use dom::bindings::refcounted::Trusted;
 use dom::bindings::str::DOMString;
 use dom::document::Document;
diff --git a/components/script/dom/mimetype.rs b/components/script/dom/mimetype.rs
index 4757c4e7850..94262de5c26 100644
--- a/components/script/dom/mimetype.rs
+++ b/components/script/dom/mimetype.rs
@@ -4,7 +4,7 @@
 
 use dom::bindings::codegen::Bindings::MimeTypeBinding::MimeTypeMethods;
 use dom::bindings::js::Root;
-use dom::bindings::reflector::{Reflector};
+use dom::bindings::reflector::Reflector;
 use dom::bindings::str::DOMString;
 use dom::plugin::Plugin;
 
diff --git a/components/script/dom/plugin.rs b/components/script/dom/plugin.rs
index 8fcd3f3a2e6..dc4ca4fe42d 100644
--- a/components/script/dom/plugin.rs
+++ b/components/script/dom/plugin.rs
@@ -4,7 +4,7 @@
 
 use dom::bindings::codegen::Bindings::PluginBinding::PluginMethods;
 use dom::bindings::js::Root;
-use dom::bindings::reflector::{Reflector};
+use dom::bindings::reflector::Reflector;
 use dom::bindings::str::DOMString;
 use dom::mimetype::MimeType;
 
diff --git a/components/script/dom/storageevent.rs b/components/script/dom/storageevent.rs
index 71e3dc26350..1c9b563b037 100644
--- a/components/script/dom/storageevent.rs
+++ b/components/script/dom/storageevent.rs
@@ -4,7 +4,7 @@
 
 use dom::bindings::codegen::Bindings::EventBinding::EventMethods;
 use dom::bindings::codegen::Bindings::StorageEventBinding;
-use dom::bindings::codegen::Bindings::StorageEventBinding::{StorageEventMethods};
+use dom::bindings::codegen::Bindings::StorageEventBinding::StorageEventMethods;
 use dom::bindings::error::Fallible;
 use dom::bindings::global::GlobalRef;
 use dom::bindings::inheritance::Castable;
diff --git a/components/script/dom/stylesheet.rs b/components/script/dom/stylesheet.rs
index 0801d82fcad..15b8693c537 100644
--- a/components/script/dom/stylesheet.rs
+++ b/components/script/dom/stylesheet.rs
@@ -5,7 +5,7 @@
 use dom::bindings::codegen::Bindings::StyleSheetBinding;
 use dom::bindings::codegen::Bindings::StyleSheetBinding::StyleSheetMethods;
 use dom::bindings::global::GlobalRef;
-use dom::bindings::js::{Root};
+use dom::bindings::js::Root;
 use dom::bindings::reflector::{Reflector, reflect_dom_object};
 use dom::bindings::str::DOMString;
 use dom::window::Window;
diff --git a/components/script/dom/testbinding.rs b/components/script/dom/testbinding.rs
index 5ff0e0bd272..630e5b2acd7 100644
--- a/components/script/dom/testbinding.rs
+++ b/components/script/dom/testbinding.rs
@@ -29,7 +29,7 @@ use js::jsval::{JSVal, NullValue};
 use std::borrow::ToOwned;
 use std::ptr;
 use std::rc::Rc;
-use util::prefs::{get_pref};
+use util::prefs::get_pref;
 
 #[dom_struct]
 pub struct TestBinding {
diff --git a/components/script/dom/text.rs b/components/script/dom/text.rs
index 3d3100bcf4d..5d377e1e05d 100644
--- a/components/script/dom/text.rs
+++ b/components/script/dom/text.rs
@@ -11,7 +11,7 @@ use dom::bindings::error::{Error, Fallible};
 use dom::bindings::global::GlobalRef;
 use dom::bindings::inheritance::Castable;
 use dom::bindings::js::Root;
-use dom::bindings::js::{RootedReference};
+use dom::bindings::js::RootedReference;
 use dom::bindings::str::DOMString;
 use dom::characterdata::CharacterData;
 use dom::document::Document;
diff --git a/components/script/dom/userscripts.rs b/components/script/dom/userscripts.rs
index dd9acb93a92..25490fb7726 100644
--- a/components/script/dom/userscripts.rs
+++ b/components/script/dom/userscripts.rs
@@ -5,7 +5,7 @@
 use dom::bindings::codegen::Bindings::DocumentBinding::DocumentMethods;
 use dom::bindings::codegen::Bindings::NodeBinding::NodeMethods;
 use dom::bindings::inheritance::Castable;
-use dom::bindings::js::{RootedReference};
+use dom::bindings::js::RootedReference;
 use dom::bindings::str::DOMString;
 use dom::htmlheadelement::HTMLHeadElement;
 use dom::node::Node;
diff --git a/components/script/dom/webglframebuffer.rs b/components/script/dom/webglframebuffer.rs
index 9dc4d7c16be..93522addf35 100644
--- a/components/script/dom/webglframebuffer.rs
+++ b/components/script/dom/webglframebuffer.rs
@@ -3,7 +3,7 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 // https://www.khronos.org/registry/webgl/specs/latest/1.0/webgl.idl
-use canvas_traits::{CanvasMsg};
+use canvas_traits::CanvasMsg;
 use dom::bindings::codegen::Bindings::WebGLFramebufferBinding;
 use dom::bindings::global::GlobalRef;
 use dom::bindings::js::Root;
diff --git a/components/script/dom/webglrenderingcontext.rs b/components/script/dom/webglrenderingcontext.rs
index cc3dff56f94..540523323ac 100644
--- a/components/script/dom/webglrenderingcontext.rs
+++ b/components/script/dom/webglrenderingcontext.rs
@@ -4,7 +4,7 @@
 
 use canvas_traits::{CanvasCommonMsg, CanvasMsg};
 use dom::bindings::codegen::Bindings::WebGLRenderingContextBinding::WebGLRenderingContextConstants as constants;
-use dom::bindings::codegen::Bindings::WebGLRenderingContextBinding::{WebGLRenderingContextMethods};
+use dom::bindings::codegen::Bindings::WebGLRenderingContextBinding::WebGLRenderingContextMethods;
 use dom::bindings::codegen::Bindings::WebGLRenderingContextBinding::{self, WebGLContextAttributes};
 use dom::bindings::codegen::UnionTypes::ImageDataOrHTMLImageElementOrHTMLCanvasElementOrHTMLVideoElement;
 use dom::bindings::conversions::{ToJSValConvertible, array_buffer_view_data, array_buffer_view_data_checked};
diff --git a/components/script/dom/websocket.rs b/components/script/dom/websocket.rs
index 39894cbd585..8735394a7a9 100644
--- a/components/script/dom/websocket.rs
+++ b/components/script/dom/websocket.rs
@@ -8,7 +8,7 @@ use dom::bindings::codegen::Bindings::EventHandlerBinding::EventHandlerNonNull;
 use dom::bindings::codegen::Bindings::WebSocketBinding;
 use dom::bindings::codegen::Bindings::WebSocketBinding::{BinaryType, WebSocketMethods};
 use dom::bindings::codegen::UnionTypes::StringOrStringSequence;
-use dom::bindings::conversions::{ToJSValConvertible};
+use dom::bindings::conversions::ToJSValConvertible;
 use dom::bindings::error::{Error, Fallible, ErrorResult};
 use dom::bindings::global::GlobalRef;
 use dom::bindings::inheritance::Castable;
diff --git a/components/script/dom/window.rs b/components/script/dom/window.rs
index 38c2588749c..2cd6c4daf9e 100644
--- a/components/script/dom/window.rs
+++ b/components/script/dom/window.rs
@@ -78,7 +78,7 @@ use std::sync::{Arc, Mutex};
 use string_cache::Atom;
 use style::context::ReflowGoal;
 use style::error_reporting::ParseErrorReporter;
-use style::properties::longhands::{overflow_x};
+use style::properties::longhands::overflow_x;
 use style::selector_impl::PseudoElement;
 use task_source::TaskSource;
 use task_source::dom_manipulation::{DOMManipulationTaskSource, DOMManipulationTask};
diff --git a/components/script/dom/xmlhttprequest.rs b/components/script/dom/xmlhttprequest.rs
index e1ce424a1c5..743a06ff5ec 100644
--- a/components/script/dom/xmlhttprequest.rs
+++ b/components/script/dom/xmlhttprequest.rs
@@ -13,7 +13,7 @@ use dom::bindings::codegen::Bindings::XMLHttpRequestBinding;
 use dom::bindings::codegen::Bindings::XMLHttpRequestBinding::BodyInit;
 use dom::bindings::codegen::Bindings::XMLHttpRequestBinding::XMLHttpRequestMethods;
 use dom::bindings::codegen::Bindings::XMLHttpRequestBinding::XMLHttpRequestResponseType;
-use dom::bindings::conversions::{ToJSValConvertible};
+use dom::bindings::conversions::ToJSValConvertible;
 use dom::bindings::error::{Error, ErrorResult, Fallible};
 use dom::bindings::global::{GlobalRef, GlobalRoot};
 use dom::bindings::inheritance::Castable;