Oilpan: Move CSSStyleDeclaration and subclasses to the heap using transistion types.

Source/core/inspector/InspectorStyleSheet.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 114 matching lines @@
 
     bool hasRawText() const { return !rawText.isEmpty(); }
 
     CSSPropertySourceData sourceData;
     bool hasSource;
     String rawText;
 };
 
 class InspectorStyle FINAL : public RefCounted<InspectorStyle> {
 public:
-    static PassRefPtr<InspectorStyle> create(const InspectorCSSId&, PassRefPtr<CSSStyleDeclaration>, InspectorStyleSheetBase* parentStyleSheet);
+    static PassRefPtr<InspectorStyle> create(const InspectorCSSId&, PassRefPtrWillBeRawPtr<CSSStyleDeclaration>, InspectorStyleSheetBase* parentStyleSheet);
 
     CSSStyleDeclaration* cssStyle() const { return m_style.get(); }
     PassRefPtr<TypeBuilder::CSS::CSSStyle> buildObjectForStyle() const;
     PassRefPtr<TypeBuilder::Array<TypeBuilder::CSS::CSSComputedStyleProperty> > buildArrayForComputedStyle() const;
     bool setPropertyText(unsigned index, const String& text, bool overwrite, String* oldText, ExceptionState&);
     bool styleText(String* result) const;
 
 private:
-    InspectorStyle(const InspectorCSSId&, PassRefPtr<CSSStyleDeclaration>, InspectorStyleSheetBase* parentStyleSheet);
+    InspectorStyle(const InspectorCSSId&, PassRefPtrWillBeRawPtr<CSSStyleDeclaration>, InspectorStyleSheetBase* parentStyleSheet);
 
     bool verifyPropertyText(const String& propertyText, bool canOmitSemicolon);
     void populateAllProperties(Vector<InspectorStyleProperty>& result) const;
     PassRefPtr<TypeBuilder::CSS::CSSStyle> styleWithProperties() const;
     PassRefPtr<CSSRuleSourceData> extractSourceData() const;
     bool applyStyleText(const String&);
     String shorthandValue(const String& shorthandProperty) const;
     NewLineAndWhitespace& newLineAndWhitespaceDelimiters() const;
     inline Document* ownerDocument() const;
 
     InspectorCSSId m_styleId;
-    RefPtr<CSSStyleDeclaration> m_style;
+    RefPtrWillBePersistent<CSSStyleDeclaration> m_style;
     InspectorStyleSheetBase* m_parentStyleSheet;
     mutable std::pair<String, String> m_format;
     mutable bool m_formatAcquired;
 };
 
 class InspectorStyleSheetBase : public RefCounted<InspectorStyleSheetBase> {
 public:
     class Listener {
     public:
         Listener() { }
@@ skipping 133 matching lines @@
 
     // Contains "style" attribute value.
     mutable String m_styleText;
     mutable bool m_isStyleTextValid;
 };
 
 
 } // namespace WebCore
 
 #endif // !defined(InspectorStyleSheet_h)