Oilpan: Remove Persistent handles from heap allocated CSSRule objects and fix finalization of CSSKe…

Source/core/css/CSSFontFaceRule.cpp

Index: Source/core/css/CSSFontFaceRule.cpp
diff --git a/Source/core/css/CSSFontFaceRule.cpp b/Source/core/css/CSSFontFaceRule.cpp
index 1b78e64522020f57faeee62f59ec6f09f1ae9cf2..c4f6e60882ee1f6e01106dbfc9da998b6b2830aa 100644
--- a/Source/core/css/CSSFontFaceRule.cpp
+++ b/Source/core/css/CSSFontFaceRule.cpp
@@ -68,4 +68,10 @@ void CSSFontFaceRule::reattach(StyleRuleBase* rule)
         m_propertiesCSSOMWrapper->reattach(m_fontFaceRule->mutableProperties());
 }
 
+void CSSFontFaceRule::trace(Visitor* visitor)
+{
+    visitor->trace(m_fontFaceRule);
+    CSSRule::trace(visitor);
+}
+
 } // namespace WebCore