Oilpan: move DOM string collection objects to the Oilpan heap.

Source/core/html/ClassList.h

 /*
  * Copyright (C) 2010 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 22 matching lines @@
 #include "wtf/PassOwnPtr.h"
 
 namespace WebCore {
 
 class Element;
 
 typedef int ExceptionCode;
 
 class ClassList FINAL : public DOMTokenList {
 public:
-    static PassOwnPtr<ClassList> create(Element* element)
+    static PassOwnPtrWillBeRawPtr<ClassList> create(Element* element)
     {
-        return adoptPtr(new ClassList(element));
+        return adoptPtrWillBeNoop(new ClassList(element));
     }
 
+#if !ENABLE(OILPAN)
     virtual void ref() OVERRIDE;
     virtual void deref() OVERRIDE;
+#endif
 
     virtual unsigned length() const OVERRIDE;
     virtual const AtomicString item(unsigned index) const OVERRIDE;
 
     virtual Element* element() OVERRIDE { return m_element; }
 
     void clearValueForQuirksMode() { m_classNamesForQuirksMode = nullptr; }
 
+    virtual void trace(Visitor*) OVERRIDE;
+
 private:
     ClassList(Element*);

[haraken, 2014/05/08 11:59:59]

Add explicit.

[sof, 2014/05/08 14:05:22]

Done.

 
     virtual bool containsInternal(const AtomicString&) const OVERRIDE;
 
     const SpaceSplitString& classNames() const;
 
     virtual const AtomicString& value() const OVERRIDE { return m_element->getAttribute(HTMLNames::classAttr); }
     virtual void setValue(const AtomicString& value) OVERRIDE { m_element->setAttribute(HTMLNames::classAttr, value); }
 
-    Element* m_element;
+    RawPtrWillBeMember<Element> m_element;
     mutable OwnPtr<SpaceSplitString> m_classNamesForQuirksMode;
 };
 
 } // namespace WebCore
 
 #endif // ClassList_h