Remove tons of OILPAN.

sky/engine/core/css/RuleSet.h

Index: sky/engine/core/css/RuleSet.h
diff --git a/sky/engine/core/css/RuleSet.h b/sky/engine/core/css/RuleSet.h
index 0139011c85d1c003cd03c12faa32b34749c43276..8531fddd10cc0bd2cc2de6f254f815d36cccdb62 100644
--- a/sky/engine/core/css/RuleSet.h
+++ b/sky/engine/core/css/RuleSet.h
@@ -58,8 +58,6 @@ public:
 
     bool containsAttributeSelector() const { return m_containsAttributeSelector; }
 
-    void trace(Visitor*);
-
 private:
     RawPtr<StyleRule> m_rule;
     unsigned m_selectorIndex : 12;
@@ -111,8 +109,6 @@ public:
     void show();
 #endif
 
-    void trace(Visitor*);
-
 private:
     typedef HashMap<AtomicString, OwnPtr<LinkedStack<RuleData> > > PendingRuleMap;
     typedef HashMap<AtomicString, OwnPtr<TerminatedArray<RuleData> > > CompactRuleMap;
@@ -141,8 +137,6 @@ private:
         PendingRuleMap tagRules;
         PendingRuleMap shadowPseudoElementRules;
 
-        void trace(Visitor*);
-
     private:
         PendingRuleMaps() { }
     };