Fix AudioContext constructor for Dartc.

client/dom/generated/wrapping_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 DOM runtime.
  * @externs
  */
 
 if (false) {
 
 var dart_dom_externs = function(){};
 
 // Fields placed on DOM objects and JavaScript constructor functions.
 dart_dom_externs.prototype._dart;
 dart_dom_externs.prototype._dart_class;
 dart_dom_externs.prototype._dart_localStorage;
 
 // Fields placed on Dart objects by native code.
 dart_dom_externs.prototype.$dom;
 
 // Externs missing from JavaScript back-end.
+Window.prototype.AudioContext;
+Window.prototype.webkitAudioContext;
 Window.prototype.webkitRequestAnimationFrame;
 Window.prototype.webkitCancelRequestAnimationFrame;
 Window.prototype.webkitConvertPointFromPageToNode;
 Window.prototype.webkitConvertPointFromNodeToPage;
 
 // Externs for DOM objects.
 var dom_externs = function(){};
 
 dom_externs.Q;                          // attribute BiquadFilterNode.Q
 dom_externs.URL;                        // attribute Document.URL, attribute EventSource.URL, attribute WebSocket.URL
@@ skipping 1625 matching lines @@
 dom_externs.y;                          // attribute HTMLImageElement.y, attribute MouseEvent.y, attribute SVGCursorElement.y, attribute SVGFEBlendElement.y, attribute SVGFEColorMatrixElement.y, attribute SVGFEComponentTransferElement.y, attribute SVGFECompositeElement.y, attribute SVGFEConvolveMatrixElement.y, attribute SVGFEDiffuseLightingElement.y, attribute SVGFEDisplacementMapElement.y, attribute SVGFEDropShadowElement.y, attribute SVGFEFloodElement.y, attribute SVGFEGaussianBlurElement.y, attribute SVGFEImageElement.y, attribute SVGFEMergeElement.y, attribute SVGFEMorphologyElement.y, attribute SVGFEOffsetElement.y, attribute SVGFEPointLightElement.y, attribute SVGFESpecularLightingElement.y, attribute SVGFESpotLightElement.y, attribute SVGFETileElement.y, attribute SVGFETurbulenceElement.y, attribute SVGFilterElement.y, attribute SVGFilterPrimitiveStandardAttributes.y, attribute SVGForeignObjectElement.y, attribute SVGGlyphRefElement.y, attribute SVGImageElement.y, attribute SVGMaskElement.y, attribute SVGPathSegArcAbs.y, attribute SVGPathSegArcRel.y, attribute SVGPathSegCurvetoCubicAbs.y, attribute SVGPathSegCurvetoCubicRel.y, attribute SVGPathSegCurvetoCubicSmoothAbs.y, attribute SVGPathSegCurvetoCubicSmoothRel.y, attribute SVGPathSegCurvetoQuadraticAbs.y, attribute SVGPathSegCurvetoQuadraticRel.y, attribute SVGPathSegCurvetoQuadraticSmoothAbs.y, attribute SVGPathSegCurvetoQuadraticSmoothRel.y, attribute SVGPathSegLinetoAbs.y, attribute SVGPathSegLinetoRel.y, attribute SVGPathSegLinetoVerticalAbs.y, attribute SVGPathSegLinetoVerticalRel.y, attribute SVGPathSegMovetoAbs.y, attribute SVGPathSegMovetoRel.y, attribute SVGPatternElement.y, attribute SVGPoint.y, attribute SVGRect.y, attribute SVGRectElement.y, attribute SVGSVGElement.y, attribute SVGTextPositioningElement.y, attribute SVGUseElement.y, attribute WebKitPoint.y, attribute WheelEvent.y
 dom_externs.y1;                         // attribute SVGLineElement.y1, attribute SVGLinearGradientElement.y1, attribute SVGPathSegCurvetoCubicAbs.y1, attribute SVGPathSegCurvetoCubicRel.y1, attribute SVGPathSegCurvetoQuadraticAbs.y1, attribute SVGPathSegCurvetoQuadraticRel.y1
 dom_externs.y2;                         // attribute SVGLineElement.y2, attribute SVGLinearGradientElement.y2, attribute SVGPathSegCurvetoCubicAbs.y2, attribute SVGPathSegCurvetoCubicRel.y2, attribute SVGPathSegCurvetoCubicSmoothAbs.y2, attribute SVGPathSegCurvetoCubicSmoothRel.y2
 dom_externs.yChannelSelector;           // attribute SVGFEDisplacementMapElement.yChannelSelector
 dom_externs.z;                          // attribute SVGFEPointLightElement.z, attribute SVGFESpotLightElement.z
 dom_externs.zoomAndPan;                 // attribute SVGSVGElement.zoomAndPan, attribute SVGViewElement.zoomAndPan, attribute SVGZoomAndPan.zoomAndPan
 dom_externs.zoomRectScreen;             // attribute SVGZoomEvent.zoomRectScreen
 
 
 }