[oilpan] Move CSSSegmentedFontFace to the managed heap

Source/core/css/FontLoader.cpp

Index: Source/core/css/FontLoader.cpp
diff --git a/Source/core/css/FontLoader.cpp b/Source/core/css/FontLoader.cpp
index 98687c059edf64ed801ad11597a7b4add42d6668..7956ccedc58f8df47c084b5eb61e41dcd7891a3f 100644
--- a/Source/core/css/FontLoader.cpp
+++ b/Source/core/css/FontLoader.cpp
@@ -64,8 +64,8 @@ public:
         return LoadFontCallback::create(numFamilies, onsuccess, onerror);
     }
 
-    virtual void notifyLoaded(CSSSegmentedFontFace*) OVERRIDE;
-    virtual void notifyError(CSSSegmentedFontFace*) OVERRIDE;
+    virtual void notifyLoaded(Handle<CSSSegmentedFontFace>) OVERRIDE;
+    virtual void notifyError(Handle<CSSSegmentedFontFace>) OVERRIDE;
     void loaded(Document*);
     void error(Document*);
 private:
@@ -103,14 +103,20 @@ void LoadFontCallback::error(Document* document)
     loaded(document);
 }
 
-void LoadFontCallback::notifyLoaded(CSSSegmentedFontFace* face)
+void LoadFontCallback::notifyLoaded(Handle<CSSSegmentedFontFace> face)
 {
-    loaded(face->fontSelector()->document());
+    CSSFontSelector* fontSelector = face->fontSelector();
+    if (!fontSelector)
+        return;
+    loaded(fontSelector->document());
 }
 
-void LoadFontCallback::notifyError(CSSSegmentedFontFace* face)
+void LoadFontCallback::notifyError(Handle<CSSSegmentedFontFace> face)
 {
-    error(face->fontSelector()->document());
+    CSSFontSelector* fontSelector = face->fontSelector();
+    if (!fontSelector)
+        return;
+    error(fontSelector->document());
 }
 
 FontLoader::FontLoader(Document* document)
@@ -275,7 +281,7 @@ void FontLoader::loadFont(const Dictionary& params)
     RefPtr<LoadFontCallback> callback = LoadFontCallback::createFromParams(params, font.family());
 
     for (const FontFamily* f = &font.family(); f; f = f->next()) {
-        CSSSegmentedFontFace* face = m_document->styleResolver()->fontSelector()->getFontFace(font.fontDescription(), f->family());
+        Handle<CSSSegmentedFontFace> face = m_document->styleResolver()->fontSelector()->getFontFace(font.fontDescription(), f->family());
         if (!face) {
             if (callback)
                 callback->error(m_document);
@@ -292,7 +298,7 @@ bool FontLoader::checkFont(const String& fontString, const String&)
     if (!resolveFontStyle(fontString, font))
         return false;
     for (const FontFamily* f = &font.family(); f; f = f->next()) {
-        CSSSegmentedFontFace* face = m_document->styleResolver()->fontSelector()->getFontFace(font.fontDescription(), f->family());
+        Handle<CSSSegmentedFontFace> face = m_document->styleResolver()->fontSelector()->getFontFace(font.fontDescription(), f->family());
         if (!face || !face->checkFont())
             return false;
     }