Fix CanvasPixelArray's operator[] for the wrapping js dom

client/dom/generated/monkey_dom.js

 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // 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.
 
 // DO NOT EDIT
 // Auto-generated Dart DOM implementation.
 
 function DOM$EnsureDartNull(value) {
   return value === null ? (void 0) : value;
 }
@@ skipping 456 matching lines @@
   if (c.prototype) {
   }
   c.$implements$CanvasPattern$Dart = 1;
 }
 function DOM$fixClass$CanvasPixelArray(c) {
   if (c.prototype) {
     c.prototype.length$getter = function() { return DOM$EnsureDartNull(this.length); };
     c.prototype.INDEX$operator = function(k) { return DOM$EnsureDartNull(this[k]); };
     c.prototype.ASSIGN_INDEX$operator = function(k, v) { this[k] = v; };
   }
-  DOM$fixMembers(c, ['item']);
   c.$implements$CanvasPixelArray$Dart = 1;
 }
 function DOM$fixClassOnDemand$CanvasPixelArray(c) {
   if (c.DOM$initialized === true)
     return;
   c.DOM$initialized = true;
   DOM$fixClass$CanvasPixelArray(c);
 }
 function DOM$fixValue$CanvasPixelArray(value) {
   if (value == null)
@@ skipping 9842 matching lines @@
 function native__NativeDomGlobalProperties_getWindow() {
   // TODO: Should the window be obtained from an isolate?
   return window;
 }
 
 // Declared in src/GlobalProperties.dart
 function native__NativeDomGlobalProperties_getDocument() {
   // TODO: Should the window be obtained from an isolate?
   return window.document;
 }