DevTools: add ids to compositor frames

Source/core/testing/Internals.idl

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  * Copyright (C) 2013 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 125 matching lines @@
 
     [RaisesException] unsigned long wheelEventHandlerCount(Document document);
     [RaisesException] unsigned long touchEventHandlerCount(Document document);
     [RaisesException] LayerRectList touchEventTargetLayerRects(Document document);
 
 
     [RaisesException] NodeList nodesFromRect(Document document, long x, long y,
         unsigned long topPadding, unsigned long rightPadding, unsigned long bottomPadding, unsigned long leftPadding,
         boolean ignoreClipping, boolean allowShadowContent, boolean allowChildFrameContent);
 
-    void emitInspectorDidBeginFrame();
+    void emitInspectorDidBeginFrame(optional long frameId);
     void emitInspectorDidCancelFrame();
 
     [RaisesException] boolean hasSpellingMarker(Document document, long from, long length);
     [RaisesException] boolean hasGrammarMarker(Document document, long from, long length);
     [RaisesException] void setContinuousSpellCheckingEnabled(boolean enabled);
 
     [RaisesException] boolean isOverwriteModeEnabled(Document document);
     [RaisesException] void toggleOverwriteModeEnabled(Document document);
 
     [RaisesException] unsigned long numberOfScrollableAreas(Document document);
@@ skipping 97 matching lines @@
     void forceReload(boolean endToEnd);
 
     [RaisesException] DOMString getImageSourceURL(Element element);
 
     boolean isSelectPopupVisible(Node node);
 
     [RaisesException] ClientRect selectionBounds();
 
     boolean loseSharedGraphicsContext3D();
 };