Oilpan: move ClientRect and its list to the oilpan heap.

Source/core/dom/Element.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Peter Kelly (pmk@post.com)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2013 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
@@ skipping 16 matching lines @@
 
 #include "CSSPropertyNames.h"
 #include "HTMLNames.h"
 #include "core/css/CSSPrimitiveValue.h"
 #include "core/dom/Attribute.h"
 #include "core/dom/Document.h"
 #include "core/dom/ElementData.h"
 #include "core/dom/SpaceSplitString.h"
 #include "core/html/CollectionType.h"
 #include "core/page/FocusType.h"
+#include "platform/heap/Handle.h"
 #include "platform/scroll/ScrollTypes.h"
 
 namespace WebCore {
 
 class ActiveAnimations;
 class Attr;
 class Attribute;
 class ClientRect;
 class ClientRectList;
 class CustomElementDefinition;
@@ skipping 152 matching lines @@
     virtual int scrollTop();
     virtual void setScrollLeft(int);
     virtual void setScrollLeft(const Dictionary& scrollOptionsHorizontal, ExceptionState&);
     virtual void setScrollTop(int);
     virtual void setScrollTop(const Dictionary& scrollOptionsVertical, ExceptionState&);
     virtual int scrollWidth();
     virtual int scrollHeight();
 
     IntRect boundsInRootViewSpace();
 
-    PassRefPtr<ClientRectList> getClientRects();
-    PassRefPtr<ClientRect> getBoundingClientRect();
+    PassRefPtrWillBeRawPtr<ClientRectList> getClientRects();
+    PassRefPtrWillBeRawPtr<ClientRect> getBoundingClientRect();
 
     // Returns the absolute bounding box translated into screen coordinates:
     IntRect screenRect() const;
 
     virtual void didMoveToNewDocument(Document&) OVERRIDE;
 
     void removeAttribute(const AtomicString& name);
     void removeAttributeNS(const AtomicString& namespaceURI, const AtomicString& localName);
 
     PassRefPtr<Attr> detachAttribute(size_t index);
@@ skipping 660 matching lines @@
     template <> inline bool isElementOfType<const thisType>(const Element& element) { return element.predicate; } \
     DEFINE_NODE_TYPE_CASTS(thisType, predicate)
 
 #define DEFINE_ELEMENT_TYPE_CASTS_WITH_FUNCTION(thisType) \
     template <> inline bool isElementOfType<const thisType>(const Element& element) { return is##thisType(element); } \
     DEFINE_NODE_TYPE_CASTS_WITH_FUNCTION(thisType)
 
 } // namespace
 
 #endif