[Oilpan]: Moving the FontSelector/FontCacheClient, CSSSegmentedFontFace, and FontFaceCache to the o…

Source/core/css/FontFaceCache.h

 /*
  * Copyright (C) 2007, 2008, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
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  * 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
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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 #ifndef FontFaceCache_h
 #define FontFaceCache_h
 
+#include "platform/heap/Handle.h"
 #include "wtf/Forward.h"
 #include "wtf/HashMap.h"
 #include "wtf/ListHashSet.h"
 #include "wtf/text/StringHash.h"
 
 namespace WebCore {
 
 class FontFace;
 class CSSFontSelector;
 class CSSSegmentedFontFace;
 class FontDescription;
 class StyleRuleFontFace;
 
-class FontFaceCache {
+class FontFaceCache FINAL : NoBaseWillBeGarbageCollectedFinalized<FontFaceCache> {
 public:
     FontFaceCache();
 
     // FIXME: Remove CSSFontSelector as argument. Passing CSSFontSelector here is
     // a result of egregious spaghettification in FontFace/FontFaceSet.
     void add(CSSFontSelector*, const StyleRuleFontFace*, PassRefPtr<FontFace>);
     void remove(const StyleRuleFontFace*);
     void clear();
     void addFontFace(CSSFontSelector*, PassRefPtr<FontFace>, bool cssConnected);
     void removeFontFace(FontFace*, bool cssConnected);
 
     // FIXME: It's sort of weird that add/remove uses StyleRuleFontFace* as key,
     // but this function uses FontDescription/family pair.
     CSSSegmentedFontFace* get(const FontDescription&, const AtomicString& family);
 
     const ListHashSet<RefPtr<FontFace> >& cssConnectedFontFaces() const { return m_cssConnectedFontFaces; }
 
     unsigned version() const { return m_version; }
 
+    void trace(Visitor*);
+
 private:
-    typedef HashMap<unsigned, RefPtr<CSSSegmentedFontFace> > TraitsMap;
-    typedef HashMap<String, OwnPtr<TraitsMap>, CaseFoldingHash> FamilyToTraitsMap;
+    typedef WillBeHeapHashMap<unsigned, RefPtrWillBeMember<CSSSegmentedFontFace> > TraitsMap;
+    typedef WillBeHeapHashMap<String, OwnPtrWillBeMember<TraitsMap>, CaseFoldingHash> FamilyToTraitsMap;
     typedef HashMap<const StyleRuleFontFace*, RefPtr<FontFace> > StyleRuleToFontFace;
     FamilyToTraitsMap m_fontFaces;
     FamilyToTraitsMap m_fonts;
     StyleRuleToFontFace m_styleRuleToFontFace;
     ListHashSet<RefPtr<FontFace> > m_cssConnectedFontFaces;
 
     // FIXME: See if this could be ditched
     // Used to compare Font instances, and the usage seems suspect.
     unsigned m_version;
 };
 
 }
 
 #endif