Remove tons of OILPAN.

sky/engine/core/css/MediaList.cpp

Index: sky/engine/core/css/MediaList.cpp
diff --git a/sky/engine/core/css/MediaList.cpp b/sky/engine/core/css/MediaList.cpp
index 44fb55fa5d7636c84f855b959fa56a5f360b7ca6..460e0c158495b2c6f06c82281fc2334b269b14e0 100644
--- a/sky/engine/core/css/MediaList.cpp
+++ b/sky/engine/core/css/MediaList.cpp
@@ -169,10 +169,6 @@ String MediaQuerySet::mediaText() const
     return text.toString();
 }
 
-void MediaQuerySet::trace(Visitor* visitor)
-{
-}
-
 MediaList::MediaList(MediaQuerySet* mediaQueries, CSSStyleSheet* parentSheet)
     : m_mediaQueries(mediaQueries)
     , m_parentStyleSheet(parentSheet)
@@ -242,13 +238,6 @@ void MediaList::reattach(MediaQuerySet* mediaQueries)
     m_mediaQueries = mediaQueries;
 }
 
-void MediaList::trace(Visitor* visitor)
-{
-    visitor->trace(m_mediaQueries);
-    visitor->trace(m_parentStyleSheet);
-    visitor->trace(m_parentRule);
-}
-
 static void addResolutionWarningMessageToConsole(Document* document, const String& serializedExpression, CSSPrimitiveValue::UnitType type)
 {
     ASSERT(document);