[Oilpan]: Move StyleKeyFrame to the oilpan heap using transition types.

Source/core/css/CSSKeyframesRule.cpp

 /*
  * Copyright (C) 2007, 2008, 2012 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 34 matching lines @@
     , m_keyframes(o.m_keyframes)
     , m_name(o.m_name)
     , m_isPrefixed(o.m_isPrefixed)
 {
 }
 
 StyleRuleKeyframes::~StyleRuleKeyframes()
 {
 }
 
-void StyleRuleKeyframes::parserAppendKeyframe(PassRefPtr<StyleKeyframe> keyframe)
+void StyleRuleKeyframes::parserAppendKeyframe(PassRefPtrWillBeRawPtr<StyleKeyframe> keyframe)
 {
     if (!keyframe)
         return;
     m_keyframes.append(keyframe);
 }
 
-void StyleRuleKeyframes::wrapperAppendKeyframe(PassRefPtr<StyleKeyframe> keyframe)
+void StyleRuleKeyframes::wrapperAppendKeyframe(PassRefPtrWillBeRawPtr<StyleKeyframe> keyframe)
 {
     m_keyframes.append(keyframe);
 }
 
 void StyleRuleKeyframes::wrapperRemoveKeyframe(unsigned index)
 {
     m_keyframes.remove(index);
 }
 
 int StyleRuleKeyframes::findKeyframeIndex(const String& key) const
 {
     String percentageString;
     if (equalIgnoringCase(key, "from"))
         percentageString = "0%";
     else if (equalIgnoringCase(key, "to"))
         percentageString = "100%";
     else
         percentageString = key;
 
     for (unsigned i = 0; i < m_keyframes.size(); ++i) {
         if (m_keyframes[i]->keyText() == percentageString)
             return i;
     }
     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)
     , m_childRuleCSSOMWrappers(keyframesRule->keyframes().size())
     , m_isPrefixed(keyframesRule->isVendorPrefixed())
 {
 }
 
 CSSKeyframesRule::~CSSKeyframesRule()
 {
@@ skipping 13 matching lines @@
     m_keyframesRule->setName(name);
 }
 
 void CSSKeyframesRule::insertRule(const String& ruleText)
 {
     ASSERT(m_childRuleCSSOMWrappers.size() == m_keyframesRule->keyframes().size());
 
     CSSStyleSheet* styleSheet = parentStyleSheet();
     CSSParserContext context(parserContext(), UseCounter::getFrom(styleSheet));
     BisonCSSParser parser(context);
-    RefPtr<StyleKeyframe> keyframe = parser.parseKeyframeRule(styleSheet ? styleSheet->contents() : 0, ruleText);
+    RefPtrWillBeRawPtr<StyleKeyframe> keyframe = parser.parseKeyframeRule(styleSheet ? styleSheet->contents() : 0, ruleText);
     if (!keyframe)
         return;
 
     CSSStyleSheet::RuleMutationScope mutationScope(this);
 
     m_keyframesRule->wrapperAppendKeyframe(keyframe);
 
     m_childRuleCSSOMWrappers.grow(length());
 }
 
@@ skipping 75 matching lines @@
 {
     CSSRule::trace(visitor);
 #if ENABLE(OILPAN)
     visitor->trace(m_childRuleCSSOMWrappers);
 #endif
     visitor->trace(m_keyframesRule);
     visitor->trace(m_ruleListCSSOMWrapper);
 }
 
 } // namespace WebCore