Strict import formatting (grouping and granularity) (#30325)

* strict imports formatting

* Reformat all imports

20 files changed, 71 insertions, 49 deletions

diff --git a/components/script/dom/webgl_extensions/ext/angleinstancedarrays.rs b/components/script/dom/webgl_extensions/ext/angleinstancedarrays.rs
index 4d03f25781b..5c79a692adb 100644
--- a/components/script/dom/webgl_extensions/ext/angleinstancedarrays.rs
+++ b/components/script/dom/webgl_extensions/ext/angleinstancedarrays.rs
@@ -2,14 +2,16 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
 
+use canvas_traits::webgl::WebGLVersion;
+use dom_struct::dom_struct;
+
 use super::{WebGLExtension, WebGLExtensionSpec, WebGLExtensions};
-use crate::dom::bindings::codegen::Bindings::ANGLEInstancedArraysBinding::ANGLEInstancedArraysConstants;
-use crate::dom::bindings::codegen::Bindings::ANGLEInstancedArraysBinding::ANGLEInstancedArraysMethods;
+use crate::dom::bindings::codegen::Bindings::ANGLEInstancedArraysBinding::{
+    ANGLEInstancedArraysConstants, ANGLEInstancedArraysMethods,
+};
 use crate::dom::bindings::reflector::{reflect_dom_object, DomObject, Reflector};
 use crate::dom::bindings::root::{Dom, DomRoot};
 use crate::dom::webglrenderingcontext::WebGLRenderingContext;
-use canvas_traits::webgl::WebGLVersion;
-use dom_struct::dom_struct;
 
 #[dom_struct]
 pub struct ANGLEInstancedArrays {
diff --git a/components/script/dom/webgl_extensions/ext/extblendminmax.rs b/components/script/dom/webgl_extensions/ext/extblendminmax.rs
index 122aac6c861..97c4a642f9b 100644
--- a/components/script/dom/webgl_extensions/ext/extblendminmax.rs
+++ b/components/script/dom/webgl_extensions/ext/extblendminmax.rs
@@ -2,12 +2,13 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
 
+use canvas_traits::webgl::WebGLVersion;
+use dom_struct::dom_struct;
+
 use super::{WebGLExtension, WebGLExtensionSpec, WebGLExtensions};
 use crate::dom::bindings::reflector::{reflect_dom_object, DomObject, Reflector};
 use crate::dom::bindings::root::DomRoot;
 use crate::dom::webglrenderingcontext::WebGLRenderingContext;
-use canvas_traits::webgl::WebGLVersion;
-use dom_struct::dom_struct;
 
 #[dom_struct]
 pub struct EXTBlendMinmax {
diff --git a/components/script/dom/webgl_extensions/ext/extcolorbufferhalffloat.rs b/components/script/dom/webgl_extensions/ext/extcolorbufferhalffloat.rs
index bb4a630d537..48d69b78ab4 100644
--- a/components/script/dom/webgl_extensions/ext/extcolorbufferhalffloat.rs
+++ b/components/script/dom/webgl_extensions/ext/extcolorbufferhalffloat.rs
@@ -2,13 +2,14 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
 
+use canvas_traits::webgl::WebGLVersion;
+use dom_struct::dom_struct;
+
 use super::{WebGLExtension, WebGLExtensionSpec, WebGLExtensions};
 use crate::dom::bindings::reflector::{reflect_dom_object, DomObject, Reflector};
 use crate::dom::bindings::root::DomRoot;
 use crate::dom::webgl_extensions::ext::oestexturehalffloat::OESTextureHalfFloat;
 use crate::dom::webglrenderingcontext::WebGLRenderingContext;
-use canvas_traits::webgl::WebGLVersion;
-use dom_struct::dom_struct;
 
 #[dom_struct]
 pub struct EXTColorBufferHalfFloat {
diff --git a/components/script/dom/webgl_extensions/ext/extfragdepth.rs b/components/script/dom/webgl_extensions/ext/extfragdepth.rs
index 182b30bf754..056286137a4 100644
--- a/components/script/dom/webgl_extensions/ext/extfragdepth.rs
+++ b/components/script/dom/webgl_extensions/ext/extfragdepth.rs
@@ -2,12 +2,13 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
 
+use canvas_traits::webgl::{WebGLSLVersion, WebGLVersion};
+use dom_struct::dom_struct;
+
 use super::{WebGLExtension, WebGLExtensionSpec, WebGLExtensions};
 use crate::dom::bindings::reflector::{reflect_dom_object, DomObject, Reflector};
 use crate::dom::bindings::root::DomRoot;
 use crate::dom::webglrenderingcontext::WebGLRenderingContext;
-use canvas_traits::webgl::{WebGLSLVersion, WebGLVersion};
-use dom_struct::dom_struct;
 
 #[dom_struct]
 pub struct EXTFragDepth {
diff --git a/components/script/dom/webgl_extensions/ext/extshadertexturelod.rs b/components/script/dom/webgl_extensions/ext/extshadertexturelod.rs
index ea68b518dac..65c39edb6a2 100644
--- a/components/script/dom/webgl_extensions/ext/extshadertexturelod.rs
+++ b/components/script/dom/webgl_extensions/ext/extshadertexturelod.rs
@@ -2,12 +2,13 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
 
+use canvas_traits::webgl::WebGLVersion;
+use dom_struct::dom_struct;
+
 use super::{WebGLExtension, WebGLExtensionSpec, WebGLExtensions};
 use crate::dom::bindings::reflector::{reflect_dom_object, DomObject, Reflector};
 use crate::dom::bindings::root::DomRoot;
 use crate::dom::webglrenderingcontext::WebGLRenderingContext;
-use canvas_traits::webgl::WebGLVersion;
-use dom_struct::dom_struct;
 
 #[dom_struct]
 pub struct EXTShaderTextureLod {
diff --git a/components/script/dom/webgl_extensions/ext/exttexturefilteranisotropic.rs b/components/script/dom/webgl_extensions/ext/exttexturefilteranisotropic.rs
index 89a4d3ed6a4..c5de4cea880 100644
--- a/components/script/dom/webgl_extensions/ext/exttexturefilteranisotropic.rs
+++ b/components/script/dom/webgl_extensions/ext/exttexturefilteranisotropic.rs
@@ -2,13 +2,14 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
 
+use canvas_traits::webgl::WebGLVersion;
+use dom_struct::dom_struct;
+
 use super::{WebGLExtension, WebGLExtensionSpec, WebGLExtensions};
 use crate::dom::bindings::codegen::Bindings::EXTTextureFilterAnisotropicBinding::EXTTextureFilterAnisotropicConstants;
 use crate::dom::bindings::reflector::{reflect_dom_object, DomObject, Reflector};
 use crate::dom::bindings::root::DomRoot;
 use crate::dom::webglrenderingcontext::WebGLRenderingContext;
-use canvas_traits::webgl::WebGLVersion;
-use dom_struct::dom_struct;
 
 #[dom_struct]
 pub struct EXTTextureFilterAnisotropic {
diff --git a/components/script/dom/webgl_extensions/ext/oeselementindexuint.rs b/components/script/dom/webgl_extensions/ext/oeselementindexuint.rs
index 096c22d3dc5..77ba300caef 100644
--- a/components/script/dom/webgl_extensions/ext/oeselementindexuint.rs
+++ b/components/script/dom/webgl_extensions/ext/oeselementindexuint.rs
@@ -2,12 +2,13 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
 
+use canvas_traits::webgl::WebGLVersion;
+use dom_struct::dom_struct;
+
 use super::{WebGLExtension, WebGLExtensionSpec, WebGLExtensions};
 use crate::dom::bindings::reflector::{reflect_dom_object, DomObject, Reflector};
 use crate::dom::bindings::root::DomRoot;
 use crate::dom::webglrenderingcontext::WebGLRenderingContext;
-use canvas_traits::webgl::WebGLVersion;
-use dom_struct::dom_struct;
 
 #[dom_struct]
 pub struct OESElementIndexUint {
diff --git a/components/script/dom/webgl_extensions/ext/oesstandardderivatives.rs b/components/script/dom/webgl_extensions/ext/oesstandardderivatives.rs
index dfafa7051a5..9a552216cc4 100644
--- a/components/script/dom/webgl_extensions/ext/oesstandardderivatives.rs
+++ b/components/script/dom/webgl_extensions/ext/oesstandardderivatives.rs
@@ -2,13 +2,14 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
 
+use canvas_traits::webgl::WebGLVersion;
+use dom_struct::dom_struct;
+
 use super::{WebGLExtension, WebGLExtensionSpec, WebGLExtensions};
 use crate::dom::bindings::codegen::Bindings::OESStandardDerivativesBinding::OESStandardDerivativesConstants;
 use crate::dom::bindings::reflector::{reflect_dom_object, DomObject, Reflector};
 use crate::dom::bindings::root::DomRoot;
 use crate::dom::webglrenderingcontext::WebGLRenderingContext;
-use canvas_traits::webgl::WebGLVersion;
-use dom_struct::dom_struct;
 
 #[dom_struct]
 pub struct OESStandardDerivatives {
diff --git a/components/script/dom/webgl_extensions/ext/oestexturefloat.rs b/components/script/dom/webgl_extensions/ext/oestexturefloat.rs
index e286095b7c7..b7d87594a42 100644
--- a/components/script/dom/webgl_extensions/ext/oestexturefloat.rs
+++ b/components/script/dom/webgl_extensions/ext/oestexturefloat.rs
@@ -2,12 +2,13 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
 
+use canvas_traits::webgl::{TexFormat, WebGLVersion};
+use dom_struct::dom_struct;
+
 use super::{constants as webgl, WebGLExtension, WebGLExtensionSpec, WebGLExtensions};
 use crate::dom::bindings::reflector::{reflect_dom_object, DomObject, Reflector};
 use crate::dom::bindings::root::DomRoot;
 use crate::dom::webglrenderingcontext::WebGLRenderingContext;
-use canvas_traits::webgl::{TexFormat, WebGLVersion};
-use dom_struct::dom_struct;
 
 #[dom_struct]
 pub struct OESTextureFloat {
diff --git a/components/script/dom/webgl_extensions/ext/oestexturefloatlinear.rs b/components/script/dom/webgl_extensions/ext/oestexturefloatlinear.rs
index 9e5c021f0ef..eee682a4327 100644
--- a/components/script/dom/webgl_extensions/ext/oestexturefloatlinear.rs
+++ b/components/script/dom/webgl_extensions/ext/oestexturefloatlinear.rs
@@ -2,11 +2,12 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
 
+use dom_struct::dom_struct;
+
 use super::{constants as webgl, WebGLExtension, WebGLExtensionSpec, WebGLExtensions};
 use crate::dom::bindings::reflector::{reflect_dom_object, DomObject, Reflector};
 use crate::dom::bindings::root::DomRoot;
 use crate::dom::webglrenderingcontext::WebGLRenderingContext;
-use dom_struct::dom_struct;
 
 #[dom_struct]
 pub struct OESTextureFloatLinear {
diff --git a/components/script/dom/webgl_extensions/ext/oestexturehalffloat.rs b/components/script/dom/webgl_extensions/ext/oestexturehalffloat.rs
index 4f2ef41c651..49724a1aa21 100644
--- a/components/script/dom/webgl_extensions/ext/oestexturehalffloat.rs
+++ b/components/script/dom/webgl_extensions/ext/oestexturehalffloat.rs
@@ -2,13 +2,14 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
 
+use canvas_traits::webgl::{TexFormat, WebGLVersion};
+use dom_struct::dom_struct;
+
 use super::{WebGLExtension, WebGLExtensionSpec, WebGLExtensions};
 use crate::dom::bindings::codegen::Bindings::OESTextureHalfFloatBinding::OESTextureHalfFloatConstants;
 use crate::dom::bindings::reflector::{reflect_dom_object, DomObject, Reflector};
 use crate::dom::bindings::root::DomRoot;
 use crate::dom::webglrenderingcontext::WebGLRenderingContext;
-use canvas_traits::webgl::{TexFormat, WebGLVersion};
-use dom_struct::dom_struct;
 
 #[dom_struct]
 pub struct OESTextureHalfFloat {
diff --git a/components/script/dom/webgl_extensions/ext/oestexturehalffloatlinear.rs b/components/script/dom/webgl_extensions/ext/oestexturehalffloatlinear.rs
index a1e5f3bf15d..c25bf855b6e 100644
--- a/components/script/dom/webgl_extensions/ext/oestexturehalffloatlinear.rs
+++ b/components/script/dom/webgl_extensions/ext/oestexturehalffloatlinear.rs
@@ -2,12 +2,13 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
 
+use dom_struct::dom_struct;
+
 use super::{WebGLExtension, WebGLExtensionSpec, WebGLExtensions};
 use crate::dom::bindings::codegen::Bindings::OESTextureHalfFloatBinding::OESTextureHalfFloatConstants;
 use crate::dom::bindings::reflector::{reflect_dom_object, DomObject, Reflector};
 use crate::dom::bindings::root::DomRoot;
 use crate::dom::webglrenderingcontext::WebGLRenderingContext;
-use dom_struct::dom_struct;
 
 #[dom_struct]
 pub struct OESTextureHalfFloatLinear {
diff --git a/components/script/dom/webgl_extensions/ext/oesvertexarrayobject.rs b/components/script/dom/webgl_extensions/ext/oesvertexarrayobject.rs
index 57a68142609..4ddb5c2fb52 100644
--- a/components/script/dom/webgl_extensions/ext/oesvertexarrayobject.rs
+++ b/components/script/dom/webgl_extensions/ext/oesvertexarrayobject.rs
@@ -2,15 +2,17 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
 
+use canvas_traits::webgl::WebGLVersion;
+use dom_struct::dom_struct;
+
 use super::{WebGLExtension, WebGLExtensionSpec, WebGLExtensions};
-use crate::dom::bindings::codegen::Bindings::OESVertexArrayObjectBinding::OESVertexArrayObjectConstants;
-use crate::dom::bindings::codegen::Bindings::OESVertexArrayObjectBinding::OESVertexArrayObjectMethods;
+use crate::dom::bindings::codegen::Bindings::OESVertexArrayObjectBinding::{
+    OESVertexArrayObjectConstants, OESVertexArrayObjectMethods,
+};
 use crate::dom::bindings::reflector::{reflect_dom_object, DomObject, Reflector};
 use crate::dom::bindings::root::{Dom, DomRoot};
 use crate::dom::webglrenderingcontext::WebGLRenderingContext;
 use crate::dom::webglvertexarrayobjectoes::WebGLVertexArrayObjectOES;
-use canvas_traits::webgl::WebGLVersion;
-use dom_struct::dom_struct;
 
 #[dom_struct]
 pub struct OESVertexArrayObject {
diff --git a/components/script/dom/webgl_extensions/ext/webglcolorbufferfloat.rs b/components/script/dom/webgl_extensions/ext/webglcolorbufferfloat.rs
index c0d8dc13776..30466b49cdc 100644
--- a/components/script/dom/webgl_extensions/ext/webglcolorbufferfloat.rs
+++ b/components/script/dom/webgl_extensions/ext/webglcolorbufferfloat.rs
@@ -2,13 +2,14 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
 
+use canvas_traits::webgl::WebGLVersion;
+use dom_struct::dom_struct;
+
 use super::{WebGLExtension, WebGLExtensionSpec, WebGLExtensions};
 use crate::dom::bindings::reflector::{reflect_dom_object, DomObject, Reflector};
 use crate::dom::bindings::root::DomRoot;
 use crate::dom::webgl_extensions::ext::oestexturefloat::OESTextureFloat;
 use crate::dom::webglrenderingcontext::WebGLRenderingContext;
-use canvas_traits::webgl::WebGLVersion;
-use dom_struct::dom_struct;
 
 #[dom_struct]
 pub struct WEBGLColorBufferFloat {
diff --git a/components/script/dom/webgl_extensions/ext/webglcompressedtextureetc1.rs b/components/script/dom/webgl_extensions/ext/webglcompressedtextureetc1.rs
index 749c38abd82..c04dceebca0 100644
--- a/components/script/dom/webgl_extensions/ext/webglcompressedtextureetc1.rs
+++ b/components/script/dom/webgl_extensions/ext/webglcompressedtextureetc1.rs
@@ -2,13 +2,14 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
 
+use canvas_traits::webgl::{TexFormat, WebGLVersion};
+use dom_struct::dom_struct;
+
 use super::{WebGLExtension, WebGLExtensionSpec, WebGLExtensions};
 use crate::dom::bindings::reflector::{reflect_dom_object, DomObject, Reflector};
 use crate::dom::bindings::root::DomRoot;
 use crate::dom::webglrenderingcontext::WebGLRenderingContext;
 use crate::dom::webgltexture::{TexCompression, TexCompressionValidation};
-use canvas_traits::webgl::{TexFormat, WebGLVersion};
-use dom_struct::dom_struct;
 
 #[dom_struct]
 pub struct WEBGLCompressedTextureETC1 {
diff --git a/components/script/dom/webgl_extensions/ext/webglcompressedtextures3tc.rs b/components/script/dom/webgl_extensions/ext/webglcompressedtextures3tc.rs
index 362dbe67117..22d9899db43 100644
--- a/components/script/dom/webgl_extensions/ext/webglcompressedtextures3tc.rs
+++ b/components/script/dom/webgl_extensions/ext/webglcompressedtextures3tc.rs
@@ -2,13 +2,14 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
 
+use canvas_traits::webgl::{TexFormat, WebGLVersion};
+use dom_struct::dom_struct;
+
 use super::{WebGLExtension, WebGLExtensionSpec, WebGLExtensions};
 use crate::dom::bindings::reflector::{reflect_dom_object, DomObject, Reflector};
 use crate::dom::bindings::root::DomRoot;
 use crate::dom::webglrenderingcontext::WebGLRenderingContext;
 use crate::dom::webgltexture::{TexCompression, TexCompressionValidation};
-use canvas_traits::webgl::{TexFormat, WebGLVersion};
-use dom_struct::dom_struct;
 
 #[dom_struct]
 pub struct WEBGLCompressedTextureS3TC {
diff --git a/components/script/dom/webgl_extensions/extension.rs b/components/script/dom/webgl_extensions/extension.rs
index 3854acee122..876b19cb8a9 100644
--- a/components/script/dom/webgl_extensions/extension.rs
+++ b/components/script/dom/webgl_extensions/extension.rs
@@ -2,12 +2,13 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
 
+use canvas_traits::webgl::WebGLVersion;
+
 use super::WebGLExtensions;
 use crate::dom::bindings::reflector::DomObject;
 use crate::dom::bindings::root::DomRoot;
 use crate::dom::bindings::trace::JSTraceable;
 use crate::dom::webglrenderingcontext::WebGLRenderingContext;
-use canvas_traits::webgl::WebGLVersion;
 
 /// Trait implemented by WebGL extensions.
 pub trait WebGLExtension: Sized
diff --git a/components/script/dom/webgl_extensions/extensions.rs b/components/script/dom/webgl_extensions/extensions.rs
index 4873b3638e8..4c1bf37d0e4 100644
--- a/components/script/dom/webgl_extensions/extensions.rs
+++ b/components/script/dom/webgl_extensions/extensions.rs
@@ -2,6 +2,16 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
 
+use std::collections::HashMap;
+use std::iter::FromIterator;
+use std::ptr::NonNull;
+
+use canvas_traits::webgl::{GlType, TexFormat, WebGLSLVersion, WebGLVersion};
+use fnv::{FnvHashMap, FnvHashSet};
+use js::jsapi::JSObject;
+use malloc_size_of::MallocSizeOf;
+use sparkle::gl::{self, GLenum};
+
 use super::wrapper::{TypedWebGLExtensionWrapper, WebGLExtensionWrapper};
 use super::{ext, WebGLExtension, WebGLExtensionSpec};
 use crate::dom::bindings::cell::DomRefCell;
@@ -18,14 +28,6 @@ use crate::dom::oestexturehalffloat::OESTextureHalfFloat;
 use crate::dom::webglcolorbufferfloat::WEBGLColorBufferFloat;
 use crate::dom::webglrenderingcontext::WebGLRenderingContext;
 use crate::dom::webgltexture::TexCompression;
-use canvas_traits::webgl::{GlType, TexFormat, WebGLSLVersion, WebGLVersion};
-use fnv::{FnvHashMap, FnvHashSet};
-use js::jsapi::JSObject;
-use malloc_size_of::MallocSizeOf;
-use sparkle::gl::{self, GLenum};
-use std::collections::HashMap;
-use std::iter::FromIterator;
-use std::ptr::NonNull;
 
 // Data types that are implemented for texImage2D and texSubImage2D in a WebGL 1.0 context
 // but must trigger a InvalidValue error until the related WebGL Extensions are enabled.
diff --git a/components/script/dom/webgl_extensions/mod.rs b/components/script/dom/webgl_extensions/mod.rs
index aa6dfd1c752..df91a5e00d1 100644
--- a/components/script/dom/webgl_extensions/mod.rs
+++ b/components/script/dom/webgl_extensions/mod.rs
@@ -7,6 +7,5 @@ mod extension;
 mod extensions;
 mod wrapper;
 
-pub use self::extension::WebGLExtension;
-pub use self::extension::WebGLExtensionSpec;
+pub use self::extension::{WebGLExtension, WebGLExtensionSpec};
 pub use self::extensions::WebGLExtensions;
diff --git a/components/script/dom/webgl_extensions/wrapper.rs b/components/script/dom/webgl_extensions/wrapper.rs
index bf8db31418c..84338640835 100644
--- a/components/script/dom/webgl_extensions/wrapper.rs
+++ b/components/script/dom/webgl_extensions/wrapper.rs
@@ -2,15 +2,17 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
 
+use std::any::Any;
+use std::ptr::NonNull;
+
+use js::jsapi::JSObject;
+use malloc_size_of::MallocSizeOf;
+
 use super::{WebGLExtension, WebGLExtensionSpec, WebGLExtensions};
 use crate::dom::bindings::reflector::DomObject;
 use crate::dom::bindings::root::MutNullableDom;
 use crate::dom::bindings::trace::JSTraceable;
 use crate::dom::webglrenderingcontext::WebGLRenderingContext;
-use js::jsapi::JSObject;
-use malloc_size_of::MallocSizeOf;
-use std::any::Any;
-use std::ptr::NonNull;
 
 /// Trait used internally by WebGLExtensions to store and
 /// handle the different WebGL extensions in a common list.