Remove tons of OILPAN.

sky/engine/core/css/MediaQueryList.cpp

Index: sky/engine/core/css/MediaQueryList.cpp
diff --git a/sky/engine/core/css/MediaQueryList.cpp b/sky/engine/core/css/MediaQueryList.cpp
index 7bd8709f222872a22a87269e2e1f5504972e1545..9ca4b4e4d63dcdbb7696dc2698f4c04eaf8292bf 100644
--- a/sky/engine/core/css/MediaQueryList.cpp
+++ b/sky/engine/core/css/MediaQueryList.cpp
@@ -125,16 +125,6 @@ bool MediaQueryList::matches()
     return m_matches;
 }
 
-void MediaQueryList::trace(Visitor* visitor)
-{
-#if ENABLE(OILPAN)
-    visitor->trace(m_matcher);
-    visitor->trace(m_media);
-    visitor->trace(m_listeners);
-#endif
-    EventTargetWithInlineData::trace(visitor);
-}
-
 const AtomicString& MediaQueryList::interfaceName() const
 {
     return EventTargetNames::MediaQueryList;