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

Source/core/css/CSSFontSelector.h

Index: Source/core/css/CSSFontSelector.h
diff --git a/Source/core/css/CSSFontSelector.h b/Source/core/css/CSSFontSelector.h
index e0b1d7a4321447eee3a59062701bc23560c911c4..bee31c288cb2d0db9f2a84e846f45181f5c1bbac 100644
--- a/Source/core/css/CSSFontSelector.h
+++ b/Source/core/css/CSSFontSelector.h
@@ -48,6 +48,7 @@ class FontDescription;
 class StyleRuleFontFace;
 
 class FontLoader {
+    DISALLOW_ALLOCATION();
 public:
     explicit FontLoader(ResourceFetcher*);
 
@@ -56,6 +57,8 @@ public:
 
     void clearResourceFetcher();
 
+    void trace(Visitor*) { }
+
 private:
     void beginLoadTimerFired(Timer<FontLoader>*);
 
@@ -66,9 +69,9 @@ private:
 
 class CSSFontSelector FINAL : public FontSelector {
 public:
-    static PassRefPtr<CSSFontSelector> create(Document* document)
+    static PassRefPtrWillBeRawPtr<CSSFontSelector> create(Document* document)
     {
-        return adoptRef(new CSSFontSelector(document));
+        return adoptRefWillBeNoop(new CSSFontSelector(document));
     }
     virtual ~CSSFontSelector();
 
@@ -98,6 +101,8 @@ public:
     void beginLoadingFontSoon(FontResource*);
     void loadPendingFonts();
 
+    virtual void trace(Visitor*);
+
 private:
     explicit CSSFontSelector(Document*);
 
@@ -106,7 +111,7 @@ private:
     Document* m_document;
     // FIXME: Move to Document or StyleEngine.
     FontFaceCache m_fontFaceCache;
-    WillBePersistentHeapHashSet<RawPtrWillBeWeakMember<CSSFontSelectorClient> > m_clients;
+    WillBeHeapHashSet<RawPtrWillBeWeakMember<CSSFontSelectorClient> > m_clients;
 
     FontLoader m_fontLoader;
     GenericFontFamilySettings m_genericFontFamilySettings;