[oilpan] Move CSSSegmentedFontFace to the managed heap

Source/core/css/CSSFontFace.h

Index: Source/core/css/CSSFontFace.h
diff --git a/Source/core/css/CSSFontFace.h b/Source/core/css/CSSFontFace.h
index 30b836fb240eeb01170318b42ac0513e1b1d7874..e921f5023d841d7d4c8e985e877c33c86bb9c620 100644
--- a/Source/core/css/CSSFontFace.h
+++ b/Source/core/css/CSSFontFace.h
@@ -53,8 +53,8 @@ public:
     void addRange(UChar32 from, UChar32 to) { m_ranges.append(UnicodeRange(from, to)); }
     const Vector<UnicodeRange>& ranges() const { return m_ranges; }
 
-    void addedToSegmentedFontFace(CSSSegmentedFontFace*);
-    void removedFromSegmentedFontFace(CSSSegmentedFontFace*);
+    void addedToSegmentedFontFace(Handle<CSSSegmentedFontFace>);
+    void removedFromSegmentedFontFace(Handle<CSSSegmentedFontFace>);
 
     bool isLoaded() const;
     bool isValid() const;