DevTools: support all handlers that end up with function call in perfmonitor.

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

 /*
  * 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 154 matching lines @@
   }
 }
 
 void ScheduledAction::createLocalHandlesForArgs(
     Vector<v8::Local<v8::Value>>* handles) {
   handles->reserveCapacity(m_info.Size());
   for (size_t i = 0; i < m_info.Size(); ++i)
     handles->append(m_info.Get(i));
 }
 
-std::unique_ptr<SourceLocation> ScheduledAction::handlerLocation() {
-  v8::HandleScope handles(m_scriptState->isolate());
-  return SourceLocation::fromFunction(
-      v8::Local<v8::Function>::New(m_scriptState->isolate(), m_function.get()));
-}
-
 }  // namespace blink