DevTools: Async call stacks for window.postMessage()

Source/core/frame/LocalDOMWindow.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  *
  * 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.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 110 matching lines @@
         : SuspendableTimer(window.document())
         , m_window(&window)
         , m_message(message)
         , m_origin(sourceOrigin)
         , m_source(source)
         , m_channels(channels)
         , m_targetOrigin(targetOrigin)
         , m_stackTrace(stackTrace)
         , m_userGestureToken(userGestureToken)
     {
+        m_asyncOperationId = InspectorInstrumentation::traceAsyncOperationStarting(executionContext(), "postMessage");
     }
 
     PassRefPtrWillBeRawPtr<MessageEvent> event()
     {
         return MessageEvent::create(m_channels.release(), m_message, m_origin, String(), m_source.get());
 
     }
     SecurityOrigin* targetOrigin() const { return m_targetOrigin.get(); }
     ScriptCallStack* stackTrace() const { return m_stackTrace.get(); }
     UserGestureToken* userGestureToken() const { return m_userGestureToken.get(); }
 
 private:
     virtual void fired() OVERRIDE
     {
+        InspectorInstrumentationCookie cookie = InspectorInstrumentation::traceAsyncOperationCompletedCallbackStarting(executionContext(), m_asyncOperationId);
         m_window->postMessageTimerFired(this);
         // This object is deleted now.
+        InspectorInstrumentation::traceAsyncCallbackCompleted(cookie);
     }
 
     // FIXME: Oilpan: This raw pointer is safe because the PostMessageTimer is
     // owned by the LocalDOMWindow. Ideally PostMessageTimer should be moved to
     // the heap and use Member<LocalDOMWindow>.
     LocalDOMWindow* m_window;
     RefPtr<SerializedScriptValue> m_message;
     String m_origin;
     RefPtrWillBePersistent<LocalDOMWindow> m_source;
     OwnPtr<MessagePortChannelArray> m_channels;
     RefPtr<SecurityOrigin> m_targetOrigin;
     RefPtrWillBePersistent<ScriptCallStack> m_stackTrace;
     RefPtr<UserGestureToken> m_userGestureToken;
+    int m_asyncOperationId;
 };
 
 static void disableSuddenTermination()
 {
     blink::Platform::current()->suddenTerminationChanged(false);
 }
 
 static void enableSuddenTermination()
 {
     blink::Platform::current()->suddenTerminationChanged(true);
@@ skipping 1779 matching lines @@
     visitor->trace(m_localStorage);
     visitor->trace(m_applicationCache);
     visitor->trace(m_performance);
     visitor->trace(m_css);
     visitor->trace(m_eventQueue);
     WillBeHeapSupplementable<LocalDOMWindow>::trace(visitor);
     EventTargetWithInlineData::trace(visitor);
 }
 
 } // namespace blink