DevTools: Capture async stacks for event listeners.

Source/core/inspector/InspectorDebuggerAgent.cpp

Index: Source/core/inspector/InspectorDebuggerAgent.cpp
diff --git a/Source/core/inspector/InspectorDebuggerAgent.cpp b/Source/core/inspector/InspectorDebuggerAgent.cpp
index aceaae4e39a91fd124d0d23e9fa00a60d50ae3c8..5c827554bae08b51383694e1ed9264e85d4d4e00 100644
--- a/Source/core/inspector/InspectorDebuggerAgent.cpp
+++ b/Source/core/inspector/InspectorDebuggerAgent.cpp
@@ -708,8 +708,30 @@ void InspectorDebuggerAgent::didFireAnimationFrame()
     m_asyncCallStackTracker.didFireAsyncCall();
 }
 
+void InspectorDebuggerAgent::didAddEventListener(EventTarget* eventTarget, const AtomicString& eventType, EventListener* listener, bool useCapture)
+{
+    if (m_asyncCallStackTracker.isEnabled())
+        m_asyncCallStackTracker.didAddEventListener(eventTarget, eventType, listener, useCapture, scriptDebugServer().currentCallFrames());
+}
+
+void InspectorDebuggerAgent::didRemoveEventListener(EventTarget* eventTarget, const AtomicString& eventType, EventListener* listener, bool useCapture)
+{

[yurys, 2013/12/17 13:01:59]

 if (m_asyncCallStackTracker.isEnabled()) ?

[aandrey, 2013/12/17 13:07:48]

This check is inside the AsyncCallStackTracker method now. Do you suggest moving
them all into the debugger agent?

[yurys, 2013/12/18 09:20:11]

You should be consistent in placing this check either inside
AsyncCallStackTracker or outside like in 
InspectorDebuggerAgent::didInstallTimer. At the moment it is a mix.

[aandrey, 2013/12/18 09:32:09]

Done. Moved them all to the Agent.

+    m_asyncCallStackTracker.didRemoveEventListener(eventTarget, eventType, listener, useCapture);
+}
+
+void InspectorDebuggerAgent::didRemoveAllEventListeners(EventTarget* eventTarget)
+{
+    m_asyncCallStackTracker.didRemoveAllEventListeners(eventTarget);

[yurys, 2013/12/17 13:01:59]

ditto

+}
+
+void InspectorDebuggerAgent::willHandleEvent(EventTarget* eventTarget, const AtomicString& eventType, EventListener* listener, bool useCapture)
+{
+    m_asyncCallStackTracker.willHandleEvent(eventTarget, eventType, listener, useCapture);

[yurys, 2013/12/17 13:01:59]

ditto

+}
+
 void InspectorDebuggerAgent::didHandleEvent()
 {
+    m_asyncCallStackTracker.didFireAsyncCall();

[yurys, 2013/12/17 13:01:59]

and here

     cancelPauseOnNextStatement();
 }