Initial overloading implementation in _blink

tools/dom/idl/dart/dart.idl

 // This file introduces / supplements and forces Dart declarations.
 
 [Supplemental,
  Constructor]
 interface AudioContext {
   // TODO(ager): Auto-generate this custom method when the info about retaining
   // typed arrays is in the IDL.
   [Custom] void decodeAudioData(ArrayBuffer audioData, AudioBufferCallback successCallback, AudioBufferCallback errorCallback);
 };
 
@@ skipping 50 matching lines @@
   readonly attribute Element previousElementSibling;
 };
 Element implements ElementTraversal;
 */
 
 [Callback]
 interface TimeoutHandler {
   void handleEvent();
 };
 
+// FIXME(leafp): This is a temporary hack to get things running while
+// we are still generating _blink from the dart side idl files.
+// Once we are up and running generating dart:_blink in dartium
+// this should go away.
+[Supplemental]
+interface URL {
+  [Suppressed] static DOMString createObjectURL(WebKitMediaSource source);
+};
+
 [Supplemental]
 interface CanvasRenderingContext2D {
   [DartName=createImageDataFromImageData] ImageData createImageData(ImageData imagedata);
 
   [Suppressed] attribute boolean webkitImageSmoothingEnabled;
 };
 
 [Supplemental]
 interface ConsoleBase {
   [Suppressed] void assert(boolean condition);
@@ skipping 275 matching lines @@
 [Suppressed]
 interface TextDecoder {};
 
 [Supplemental]
 interface Window : EventTarget {};
 
 [Suppressed]
 interface Promise {};
 
 Element implements GlobalEventHandlers;