[oilpan] Move CSSFontFace to the managed heap

Source/core/css/CSSSegmentedFontFace.h

 /*
  * Copyright (C) 2008 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.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 32 matching lines @@
 
 class CSSSegmentedFontFace : public HeapAllocatedFinalized<CSSSegmentedFontFace> {
     DECLARE_GC_TYPE_MARKER
 public:
     static Result<CSSSegmentedFontFace> create(CSSFontSelector* selector) { return adopt(new CSSSegmentedFontFace(selector)); }
     ~CSSSegmentedFontFace();
     void dispose();
 
     CSSFontSelector* fontSelector() const { return m_fontSelector; }
 
-    void fontLoaded(CSSFontFace*);
+    void fontLoaded(Handle<CSSFontFace>);
 
-    void appendFontFace(PassRefPtr<CSSFontFace>);
+    void appendFontFace(Handle<CSSFontFace>);
 
     PassRefPtr<FontData> getFontData(const FontDescription&);
 
     class LoadFontCallback : public RefCounted<LoadFontCallback> {
     public:
         virtual ~LoadFontCallback() { }
         virtual void notifyLoaded(Handle<CSSSegmentedFontFace>) = 0;
         virtual void notifyError(Handle<CSSSegmentedFontFace>) = 0;
     };
 
     bool checkFont() const;
     void loadFont(const FontDescription&, PassRefPtr<LoadFontCallback> loadCallback);
 
-    void accept(Visitor*) const { }
+    void accept(Visitor*) const;
 
 private:
     CSSSegmentedFontFace(CSSFontSelector*);
 
     void pruneTable();
     bool isValid() const;
     bool isLoading() const;
 
     CSSFontSelector* m_fontSelector;
     HashMap<unsigned, RefPtr<SegmentedFontData> > m_fontDataTable;
-    Vector<RefPtr<CSSFontFace>, 1> m_fontFaces;
+    Vector<Member<CSSFontFace>, 1> m_fontFaces;
     Vector<RefPtr<LoadFontCallback> > m_callbacks;
 };
 
 } // namespace WebCore
 
 #endif // CSSSegmentedFontFace_h