Remove tons of OILPAN.

sky/engine/core/css/CSSPropertySourceData.cpp

Index: sky/engine/core/css/CSSPropertySourceData.cpp
diff --git a/sky/engine/core/css/CSSPropertySourceData.cpp b/sky/engine/core/css/CSSPropertySourceData.cpp
index 9d832fd09bf31fc610316bb95d7cd0733b739aa6..a25a9df7db9b6470d0ebc2daba937333a89221f9 100644
--- a/sky/engine/core/css/CSSPropertySourceData.cpp
+++ b/sky/engine/core/css/CSSPropertySourceData.cpp
@@ -110,13 +110,4 @@ unsigned CSSPropertySourceData::hash() const
     return StringHash::hash(name) + 3 * StringHash::hash(value) + 7 * important + 13 * parsedOk + 31;
 }
 
-void CSSRuleSourceData::trace(Visitor* visitor)
-{
-    visitor->trace(ruleHeaderRange);
-    visitor->trace(ruleBodyRange);
-    visitor->trace(selectorRanges);
-    visitor->trace(styleSourceData);
-    visitor->trace(childRules);
-}
-
 } // namespace blink