Remove tons of OILPAN.

sky/engine/core/css/MediaList.h

Index: sky/engine/core/css/MediaList.h
diff --git a/sky/engine/core/css/MediaList.h b/sky/engine/core/css/MediaList.h
index f40a7b277089c94f61922e17fa3538a7e49abf1b..82cc4895d8110bd61ccd7e89d0cde8f3bc3030af 100644
--- a/sky/engine/core/css/MediaList.h
+++ b/sky/engine/core/css/MediaList.h
@@ -61,8 +61,6 @@ public:
 
     PassRefPtr<MediaQuerySet> copy() const { return adoptRef(new MediaQuerySet(*this)); }
 
-    void trace(Visitor*);
-
 private:
     MediaQuerySet();
     MediaQuerySet(const MediaQuerySet&);
@@ -105,8 +103,6 @@ public:
 
     void reattach(MediaQuerySet*);
 
-    void trace(Visitor*);
-
 private:
     MediaList(MediaQuerySet*, CSSStyleSheet* parentSheet);
     MediaList(MediaQuerySet*, CSSRule* parentRule);