Oilpan: move Page's PointerLockController object to the heap.

Source/core/page/PointerLockController.cpp

 /*
  * Copyright (C) 2012 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:
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
@@ skipping 23 matching lines @@
 #include "platform/PlatformMouseEvent.h"
 
 namespace WebCore {
 
 PointerLockController::PointerLockController(Page* page)
     : m_page(page)
     , m_lockPending(false)
 {
 }
 
-PassOwnPtr<PointerLockController> PointerLockController::create(Page* page)
+PassOwnPtrWillBeRawPtr<PointerLockController> PointerLockController::create(Page* page)
 {
-    return adoptPtr(new PointerLockController(page));
+    return adoptPtrWillBeNoop(new PointerLockController(page));
 }
 
 void PointerLockController::requestPointerLock(Element* target)
 {
     if (!target || !target->inDocument() || m_documentOfRemovedElementWhileWaitingForUnlock) {
         enqueueEvent(EventTypeNames::pointerlockerror, target);
         enqueueEvent(EventTypeNames::webkitpointerlockerror, target);
         return;
     }
 
@@ skipping 102 matching lines @@
     if (element)
         enqueueEvent(type, &element->document());
 }
 
 void PointerLockController::enqueueEvent(const AtomicString& type, Document* document)
 {
     if (document && document->domWindow())
         document->domWindow()->enqueueDocumentEvent(Event::create(type));
 }
 
+void PointerLockController::trace(Visitor* visitor)
+{
+    visitor->trace(m_page);
+    visitor->trace(m_element);
+    visitor->trace(m_documentOfRemovedElementWhileWaitingForUnlock);
+}
+
 } // namespace WebCore