DevTools: Capture async stacks for event listeners.

Source/core/inspector/InspectorInstrumentation.idl

 /*
 * Copyright (C) 2013 Google 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:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
@@ skipping 154 matching lines @@
 
     [Timeline, Inline=FastReturn]
     void didDispatchXHRReadyStateChangeEvent(const InspectorInstrumentationCookie&);
 
     [Timeline, Inline=FastReturn]
     InspectorInstrumentationCookie willDispatchEvent([Keep] Document*, const Event&, DOMWindow*, Node*, const EventPath&);
 
     [Timeline, Inline=FastReturn]
     void didDispatchEvent(const InspectorInstrumentationCookie&);
 
-    [DOMDebugger, Inline=FastReturn]
-    InspectorInstrumentationCookie willHandleEvent(ExecutionContext*, Event*);
+    [Debugger, Inline=FastReturn]
+    void didAddEventListener([Keep] EventTarget*, const AtomicString& eventType, EventListener* listener, bool useCapture);
+
+    [Debugger, Inline=FastReturn]
+    void didRemoveEventListener([Keep] EventTarget*, const AtomicString& eventType, EventListener* listener, bool useCapture);
+
+    [Debugger, Inline=FastReturn]
+    void didRemoveAllEventListeners([Keep] EventTarget*);
+
+    [Debugger, DOMDebugger, Inline=FastReturn]
+    InspectorInstrumentationCookie willHandleEvent([Keep] EventTarget*, const AtomicString& eventType, EventListener* listener, bool useCapture);
 
     [Debugger, Inline=FastReturn]
     void didHandleEvent(const InspectorInstrumentationCookie&);
 
     [Timeline, Inline=FastReturn]
     InspectorInstrumentationCookie willDispatchEventOnWindow(Frame*, const Event&, DOMWindow*);
 
     [Timeline, Inline=FastReturn]
     void didDispatchEventOnWindow(const InspectorInstrumentationCookie&);
 
@@ skipping 332 matching lines @@
 interface InspectorCanvasInstrumentation {
 
 #include "bindings/v8/ScriptObject.h"
 
     [Canvas]
     ScriptObject wrapCanvas2DRenderingContextForInstrumentation(Document*, const ScriptObject&);
 
     [Canvas]
     ScriptObject wrapWebGLRenderingContextForInstrumentation(Document*, const ScriptObject&);
 }