DevTools: Implement async call stacks for Promises.

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 184 matching lines @@
 
     [Debugger, Inline=FastReturn]
     void didClearAllMutationRecords([Keep] ExecutionContext*, MutationObserver*);
 
     [Debugger, Inline=FastReturn]
     void willDeliverMutationRecords([Keep] ExecutionContext*, MutationObserver*);
 
     [Debugger, Inline=FastReturn]
     void didDeliverMutationRecords(ExecutionContext*);
 
+    [Debugger, Inline=FastReturn]
+    void didPostPromiseTask([Keep] ExecutionContext*, ExecutionContextTask*, bool isResolved);
+
+    [Debugger, Inline=FastReturn]
+    InspectorInstrumentationCookie willPerformPromiseTask([Keep] ExecutionContext*, ExecutionContextTask*);
+
+    [Debugger, Inline=FastReturn]
+    void didPerformPromiseTask(const InspectorInstrumentationCookie&);
+
     [Timeline, Inline=FastReturn]
     InspectorInstrumentationCookie willEvaluateScript([Keep] Frame*, const String& url, int lineNumber);
 
     [Timeline, Inline=FastReturn]
     void didEvaluateScript(const InspectorInstrumentationCookie&);
 
     [Page, Inline=FastReturn]
     void scriptsEnabled(Page*, bool isEnabled);
 
     [PageRuntime, Inline=FastReturn]
@@ skipping 325 matching lines @@
 interface InspectorCanvasInstrumentation {
 
 #include "bindings/v8/ScriptObject.h"
 
     [Canvas]
     ScriptObject wrapCanvas2DRenderingContextForInstrumentation(Document*, const ScriptObject&);
 
     [Canvas]
     ScriptObject wrapWebGLRenderingContextForInstrumentation(Document*, const ScriptObject&);
 }