Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/core/css/StyleRuleKeyframe.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/css/StyleRuleKeyframe.h"
 
 #include "core/css/StylePropertySet.h"
 #include "core/css/parser/CSSParser.h"
 #include "wtf/text/StringBuilder.h"
-#include <memory>
 
 namespace blink {
 
-StyleRuleKeyframe::StyleRuleKeyframe(std::unique_ptr<Vector<double>> keys, StylePropertySet* properties)
+StyleRuleKeyframe::StyleRuleKeyframe(PassOwnPtr<Vector<double>> keys, StylePropertySet* properties)
 : StyleRuleBase(Keyframe)
 , m_properties(properties)
 , m_keys(*keys)
 {
 }
 
 String StyleRuleKeyframe::keyText() const
 {
     ASSERT(!m_keys.isEmpty());
 
     StringBuilder keyText;
     for (unsigned i = 0; i < m_keys.size(); ++i) {
         if (i)
             keyText.append(", ");
         keyText.appendNumber(m_keys.at(i) * 100);
         keyText.append('%');
     }
 
     return keyText.toString();
 }
 
 bool StyleRuleKeyframe::setKeyText(const String& keyText)
 {
     ASSERT(!keyText.isNull());
 
-    std::unique_ptr<Vector<double>> keys = CSSParser::parseKeyframeKeyList(keyText);
+    OwnPtr<Vector<double>> keys = CSSParser::parseKeyframeKeyList(keyText);
     if (!keys || keys->isEmpty())
         return false;
 
     m_keys = *keys;
     return true;
 }
 
 const Vector<double>& StyleRuleKeyframe::keys() const
 {
     return m_keys;
@@ skipping 19 matching lines @@
     return result.toString();
 }
 
 DEFINE_TRACE_AFTER_DISPATCH(StyleRuleKeyframe)
 {
     visitor->trace(m_properties);
     StyleRuleBase::traceAfterDispatch(visitor);
 }
 
 } // namespace blink