Fix WebGL operations for dartc and frog.

client/dom/generated/monkey_dom_externs.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.
 
 // WARNING: Do not edit - generated code.
 
 /**
  * @fileoverview Dart externs for runtime generated properties.
  * @externs
  */
@@ skipping 1207 matching lines @@
 dart_externs.prototype.getSelection$member;
 dart_externs.prototype.getShaderInfoLog$member;
 dart_externs.prototype.getShaderParameter$member;
 dart_externs.prototype.getShaderSource$member;
 dart_externs.prototype.getSimpleDuration$member;
 dart_externs.prototype.getStartPositionOfChar$member;
 dart_externs.prototype.getStartTime$member;
 dart_externs.prototype.getStorageUpdates$member;
 dart_externs.prototype.getStringValue$member;
 dart_externs.prototype.getSubStringLength$member;
-dart_externs.prototype.getSupportedExtensions$member;
 dart_externs.prototype.getTexParameter$member;
 dart_externs.prototype.getTotalLength$member;
 dart_externs.prototype.getTransformToElement$member;
 dart_externs.prototype.getTranslatedShaderSource$member;
 dart_externs.prototype.getUint16$member;
 dart_externs.prototype.getUint32$member;
 dart_externs.prototype.getUint8$member;
 dart_externs.prototype.getUniform$member;
 dart_externs.prototype.getUniformLocation$member;
 dart_externs.prototype.getVertexAttrib$member;
@@ skipping 1380 matching lines @@
 dart_externs.prototype.y2$getter;
 dart_externs.prototype.y2$setter;
 dart_externs.prototype.yChannelSelector$getter;
 dart_externs.prototype.z$getter;
 dart_externs.prototype.zoomAndPan$getter;
 dart_externs.prototype.zoomAndPan$setter;
 dart_externs.prototype.zoomRectScreen$getter;
 
 
 }