Remove =List in JS, use JSExtendableArray instead.

sdk/lib/web_gl/dart2js/web_gl_dart2js.dart

 library dart.dom.web_gl;
 
 import 'dart:collection';
 import 'dart:_collection-dev';
 import 'dart:html';
 import 'dart:html_common';
 import 'dart:typed_data';
 import 'dart:_js_helper' show Creates, JSName, Null, Returns, convertDartClosureToJS;
 import 'dart:_foreign_helper' show JS;
-import 'dart:_interceptors' show Interceptor;
+import 'dart:_interceptors' show Interceptor, JSExtendableArray;
 // DO NOT EDIT - unless you are editing documentation as per:
 // https://code.google.com/p/dart/wiki/ContributingHTMLDocumentation
 // Auto-generated dart:web_gl library.
 
 
 
 
 
 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
@@ skipping 2292 matching lines @@
   Object getExtension(String name) native;
 
   @DomName('WebGLRenderingContext.getFramebufferAttachmentParameter')
   @DocsEditable
   @Creates('int|Renderbuffer|Texture|Null')
   @Returns('int|Renderbuffer|Texture|Null')
   Object getFramebufferAttachmentParameter(int target, int attachment, int pname) native;
 
   @DomName('WebGLRenderingContext.getParameter')
   @DocsEditable
-  @Creates('Null|num|String|bool|=List|Float32List|Int32List|Uint32List|Framebuffer|Renderbuffer|Texture')
-  @Returns('Null|num|String|bool|=List|Float32List|Int32List|Uint32List|Framebuffer|Renderbuffer|Texture')
+  @Creates('Null|num|String|bool|JSExtendableArray|Float32List|Int32List|Uint32List|Framebuffer|Renderbuffer|Texture')
+  @Returns('Null|num|String|bool|JSExtendableArray|Float32List|Int32List|Uint32List|Framebuffer|Renderbuffer|Texture')
   Object getParameter(int pname) native;
 
   @DomName('WebGLRenderingContext.getProgramInfoLog')
   @DocsEditable
   String getProgramInfoLog(Program program) native;
 
   @DomName('WebGLRenderingContext.getProgramParameter')
   @DocsEditable
   @Creates('int|bool|Null')
   @Returns('int|bool|Null')
@@ skipping 28 matching lines @@
   List<String> getSupportedExtensions() native;
 
   @DomName('WebGLRenderingContext.getTexParameter')
   @DocsEditable
   @Creates('int|Null')
   @Returns('int|Null')
   Object getTexParameter(int target, int pname) native;
 
   @DomName('WebGLRenderingContext.getUniform')
   @DocsEditable
-  @Creates('Null|num|String|bool|=List|Float32List|Int32List|Uint32List')
-  @Returns('Null|num|String|bool|=List|Float32List|Int32List|Uint32List')
+  @Creates('Null|num|String|bool|JSExtendableArray|Float32List|Int32List|Uint32List')
+  @Returns('Null|num|String|bool|JSExtendableArray|Float32List|Int32List|Uint32List')
   Object getUniform(Program program, UniformLocation location) native;
 
   @DomName('WebGLRenderingContext.getUniformLocation')
   @DocsEditable
   UniformLocation getUniformLocation(Program program, String name) native;
 
   @DomName('WebGLRenderingContext.getVertexAttrib')
   @DocsEditable
   @Creates('Null|num|bool|Float32List|Buffer')
   @Returns('Null|num|bool|Float32List|Buffer')
@@ skipping 377 matching lines @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 
 @DocsEditable
 @DomName('WebGLVertexArrayObjectOES')
 // http://www.khronos.org/registry/webgl/extensions/OES_vertex_array_object/
 @Experimental // experimental
 class VertexArrayObject native "WebGLVertexArrayObjectOES" {
 }