Oilpan: Remove Element* raw pointers in objects

Source/core/css/CSSFontFaceSrcValue.h

Index: Source/core/css/CSSFontFaceSrcValue.h
diff --git a/Source/core/css/CSSFontFaceSrcValue.h b/Source/core/css/CSSFontFaceSrcValue.h
index da0c7f32975fabf9ce01243e14fb46266372d8a1..a953f76a3cf499189ab1dbe70c829a493b5d2cf5 100644
--- a/Source/core/css/CSSFontFaceSrcValue.h
+++ b/Source/core/css/CSSFontFaceSrcValue.h
@@ -73,7 +73,7 @@ public:
 
     bool equals(const CSSFontFaceSrcValue&) const;
 
-    void traceAfterDispatch(Visitor* visitor) { CSSValue::traceAfterDispatch(visitor); }
+    void traceAfterDispatch(Visitor*);
 
 private:
     CSSFontFaceSrcValue(const String& resource, bool local)
@@ -81,7 +81,7 @@ private:
         , m_resource(resource)
         , m_isLocal(local)
 #if ENABLE(SVG_FONTS)
-        , m_svgFontFaceElement(0)
+        , m_svgFontFaceElement(nullptr)
 #endif
     {
     }
@@ -97,7 +97,7 @@ private:
     ResourcePtr<FontResource> m_fetched;
 
 #if ENABLE(SVG_FONTS)
-    SVGFontFaceElement* m_svgFontFaceElement;
+    RawPtrWillBeMember<SVGFontFaceElement> m_svgFontFaceElement;

[tkent, 2014/07/28 23:31:58]

This will leak a Document.
See https://codereview.chromium.org/333403004 and
https://codereview.chromium.org/337703004

 #endif
 };