Remove tons of OILPAN.

sky/engine/core/css/CSSKeyframesRule.cpp

Index: sky/engine/core/css/CSSKeyframesRule.cpp
diff --git a/sky/engine/core/css/CSSKeyframesRule.cpp b/sky/engine/core/css/CSSKeyframesRule.cpp
index e61f7a0c0a89ebe9e32bd1c9eab1da16dd6dcb42..0a450eb0d3d41786669a33f56d4fd1a3e890a2b1 100644
--- a/sky/engine/core/css/CSSKeyframesRule.cpp
+++ b/sky/engine/core/css/CSSKeyframesRule.cpp
@@ -86,12 +86,6 @@ int StyleRuleKeyframes::findKeyframeIndex(const String& key) const
     return -1;
 }
 
-void StyleRuleKeyframes::traceAfterDispatch(Visitor* visitor)
-{
-    visitor->trace(m_keyframes);
-    StyleRuleBase::traceAfterDispatch(visitor);
-}
-
 CSSKeyframesRule::CSSKeyframesRule(StyleRuleKeyframes* keyframesRule, CSSStyleSheet* parent)
     : CSSRule(parent)
     , m_keyframesRule(keyframesRule)
@@ -210,14 +204,4 @@ void CSSKeyframesRule::reattach(StyleRuleBase* rule)
     m_keyframesRule = toStyleRuleKeyframes(rule);
 }
 
-void CSSKeyframesRule::trace(Visitor* visitor)
-{
-    CSSRule::trace(visitor);
-#if ENABLE(OILPAN)
-    visitor->trace(m_childRuleCSSOMWrappers);
-#endif
-    visitor->trace(m_keyframesRule);
-    visitor->trace(m_ruleListCSSOMWrapper);
-}
-
 } // namespace blink