[oilpan] Move CSSFontFace and CSSSegmentedFontFace to the managed heap

Source/heap/Visitor.h

Index: Source/heap/Visitor.h
diff --git a/Source/heap/Visitor.h b/Source/heap/Visitor.h
index 0bbad103de055e9d05846b8e632373c3ed7a6735..44d5c6c48b45c10bc69a2dd4ca5b768ff3a6d65f 100644
--- a/Source/heap/Visitor.h
+++ b/Source/heap/Visitor.h
@@ -118,6 +118,13 @@ public:
             visit(*it);
     }
 
+    template<typename T, size_t N>
+    void visit(const Vector<Member<T>, N>& vector)
+    {
+        for (typename Vector<Member<T> >::const_iterator it = vector.begin(); it != vector.end(); ++it)
+            visit(*it);
+    }
+
     // This method adds the object to the set of objects that should have their
     // accept method called. Since not all objects have vtables we have to have
     // the callback as an explicit argument, but we can use the templated