DevTools: introduce perf monitor actions w/ time budget for violations that are event handlers.

third_party/WebKit/Source/bindings/core/v8/ScheduledAction.h

 /*
  * Copyright (C) 2007-2009 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 25 matching lines @@
 #include "bindings/core/v8/ScriptState.h"
 #include "bindings/core/v8/V8PersistentValueVector.h"
 #include "platform/heap/Handle.h"
 #include "wtf/Forward.h"
 #include <v8.h>
 
 namespace blink {
 
 class LocalFrame;
 class ExecutionContext;
+class SourceLocation;
 class WorkerGlobalScope;
 
 class ScheduledAction final
     : public GarbageCollectedFinalized<ScheduledAction> {
   WTF_MAKE_NONCOPYABLE(ScheduledAction);
 
  public:
   static ScheduledAction* create(ScriptState*,
                                  const ScriptValue& handler,
                                  const Vector<ScriptValue>& arguments);
   static ScheduledAction* create(ScriptState*, const String& handler);
 
   ~ScheduledAction();
   DECLARE_TRACE();
 
   void execute(ExecutionContext*);
+  std::unique_ptr<SourceLocation> handlerLocation();
 
  private:
   ScheduledAction(ScriptState*,
                   const ScriptValue& handler,
                   const Vector<ScriptValue>& arguments);
   ScheduledAction(ScriptState*, const String& handler);
 
   void execute(LocalFrame*);
   void execute(WorkerGlobalScope*);
   void createLocalHandlesForArgs(Vector<v8::Local<v8::Value>>* handles);
 
   ScriptStateProtectingContext m_scriptState;
   ScopedPersistent<v8::Function> m_function;
   V8PersistentValueVector<v8::Value> m_info;
   ScriptSourceCode m_code;
 };
 
 }  // namespace blink
 
 #endif  // ScheduledAction