Revert "Remove OwnPtr from Blink."

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 13 matching lines @@
  */
 
 #include "core/css/CSSKeyframesRule.h"
 
 #include "core/css/CSSKeyframeRule.h"
 #include "core/css/CSSRuleList.h"
 #include "core/css/CSSStyleSheet.h"
 #include "core/css/parser/CSSParser.h"
 #include "core/frame/UseCounter.h"
 #include "wtf/text/StringBuilder.h"
-#include <memory>
 
 namespace blink {
 
 StyleRuleKeyframes::StyleRuleKeyframes()
     : StyleRuleBase(Keyframes)
     , m_version(0)
 {
 }
 
 StyleRuleKeyframes::StyleRuleKeyframes(const StyleRuleKeyframes& o)
@@ skipping 23 matching lines @@
 }
 
 void StyleRuleKeyframes::wrapperRemoveKeyframe(unsigned index)
 {
     m_keyframes.remove(index);
     styleChanged();
 }
 
 int StyleRuleKeyframes::findKeyframeIndex(const String& key) const
 {
-    std::unique_ptr<Vector<double>> keys = CSSParser::parseKeyframeKeyList(key);
+    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;
 }
 
 DEFINE_TRACE_AFTER_DISPATCH(StyleRuleKeyframes)
@@ skipping 121 matching lines @@
 
 DEFINE_TRACE(CSSKeyframesRule)
 {
     CSSRule::trace(visitor);
     visitor->trace(m_childRuleCSSOMWrappers);
     visitor->trace(m_keyframesRule);
     visitor->trace(m_ruleListCSSOMWrapper);
 }
 
 } // namespace blink