Oilpan: move DOMWindow object to the oilpan heap.

Source/core/testing/Internals.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  * Copyright (C) 2013 Apple 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 1537 matching lines @@
     InspectorConsoleAgent* consoleAgent = instrumentingAgents->inspectorConsoleAgent();
     if (!consoleAgent)
         return Vector<String>();
     Vector<unsigned> counts = consoleAgent->consoleMessageArgumentCounts();
     Vector<String> result(counts.size());
     for (size_t i = 0; i < counts.size(); i++)
         result[i] = String::number(counts[i]);
     return result;
 }
 
-PassRefPtr<DOMWindow> Internals::openDummyInspectorFrontend(const String& url)
+PassRefPtrWillBeRawPtr<DOMWindow> Internals::openDummyInspectorFrontend(const String& url)
 {
     Page* page = contextDocument()->frame()->page();
     ASSERT(page);
 
     DOMWindow* window = page->mainFrame()->domWindow();
     ASSERT(window);
 
     m_frontendWindow = window->open(url, "", "", window, window);
     ASSERT(m_frontendWindow);
 
@@ skipping 844 matching lines @@
     return promise;
 }
 
 ScriptPromise Internals::addOneToPromise(ExecutionContext* context, ScriptPromise promise)
 {
     return promise.then(AddOneFunction::create(context));
 }
 
 void Internals::trace(Visitor* visitor)
 {
+    visitor->trace(m_frontendWindow);
     visitor->trace(m_runtimeFlags);
     visitor->trace(m_profilers);
 }
 
 void Internals::startSpeechInput(Element* element)
 {
 #if ENABLE(INPUT_SPEECH)
     HTMLInputElement* input = toHTMLInputElement(element);
     if (!input->isSpeechEnabled())
         return;
@@ skipping 12 matching lines @@
 String Internals::textSurroundingNode(Node* node, int x, int y, unsigned long maxLength)
 {
     if (!node)
         return String();
     blink::WebPoint point(x, y);
     SurroundingText surroundingText(VisiblePosition(node->renderer()->positionForPoint(static_cast<IntPoint>(point))), maxLength);
     return surroundingText.content();
 }
 
 }