PurgeMemory.

third_party/WebKit/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 66 matching lines @@
     OwnPtr<Vector<double>> keys = CSSParser::parseKeyframeKeyList(key);
     if (!keys)
         return -1;
     for (size_t i = m_keyframes.size(); i--; ) {
         if (m_keyframes[i]->keys() == *keys)
             return i;
     }
     return -1;
 }
 
+void StyleRuleKeyframes::purgeMemory()
+{
+    for (StyleRuleKeyframe* keyframe : m_keyframes)
+        keyframe->purgeMemory();
+}
+
 DEFINE_TRACE_AFTER_DISPATCH(StyleRuleKeyframes)
 {
     visitor->trace(m_keyframes);
     StyleRuleBase::traceAfterDispatch(visitor);
 }
 
 CSSKeyframesRule::CSSKeyframesRule(StyleRuleKeyframes* keyframesRule, CSSStyleSheet* parent)
     : CSSRule(parent)
     , m_keyframesRule(keyframesRule)
     , m_childRuleCSSOMWrappers(keyframesRule->keyframes().size())
@@ skipping 121 matching lines @@
 {
     CSSRule::trace(visitor);
 #if ENABLE(OILPAN)
     visitor->trace(m_childRuleCSSOMWrappers);
 #endif
     visitor->trace(m_keyframesRule);
     visitor->trace(m_ruleListCSSOMWrapper);
 }
 
 } // namespace blink