DevTools: Support async call stacks for scripted animation events (like scroll).

Source/core/inspector/InspectorInstrumentation.idl

Index: Source/core/inspector/InspectorInstrumentation.idl
diff --git a/Source/core/inspector/InspectorInstrumentation.idl b/Source/core/inspector/InspectorInstrumentation.idl
index 2d90b8569df28eecd22e876bb487bdee6ccca999..e9951274163f0cdbca59bbb42ee51990f90eedfa 100644
--- a/Source/core/inspector/InspectorInstrumentation.idl
+++ b/Source/core/inspector/InspectorInstrumentation.idl
@@ -160,8 +160,14 @@ interface InspectorInstrumentation {
     [Timeline, Inline=FastReturn]
     void didDispatchEvent(const InspectorInstrumentationCookie&);
 
+    [Debugger, Inline=FastReturn]
+    void didEnqueueEvent([Keep] EventTarget*, Event*);
+
+    [Debugger, Inline=FastReturn]
+    void didDispatchEvent([Keep] EventTarget*, Event*);
+
     [Debugger, DOMDebugger, Inline=FastReturn]
-    InspectorInstrumentationCookie willHandleEvent([Keep] EventTarget*, const AtomicString& eventType, EventListener* listener, bool useCapture);
+    InspectorInstrumentationCookie willHandleEvent([Keep] EventTarget*, Event*, EventListener* listener, bool useCapture);
 
     [Debugger, Inline=FastReturn]
     void didHandleEvent(const InspectorInstrumentationCookie&);