Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/core/animation/AnimationInputHelpersTest.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/animation/AnimationInputHelpers.h"
 
 #include "core/dom/Element.h"
 #include "core/dom/ExceptionCode.h"
 #include "core/testing/DummyPageHolder.h"
 #include "platform/animation/TimingFunction.h"
 #include "testing/gtest/include/gtest/gtest.h"
-#include <memory>
 
 namespace blink {
 
 class AnimationAnimationInputHelpersTest : public ::testing::Test {
 public:
     CSSPropertyID keyframeAttributeToCSSProperty(const String& property)
     {
         return AnimationInputHelpers::keyframeAttributeToCSSProperty(property, *document);
     }
 
@@ skipping 23 matching lines @@
         pageHolder = DummyPageHolder::create();
         document = &pageHolder->document();
     }
 
     void TearDown() override
     {
         document.release();
         ThreadHeap::collectAllGarbage();
     }
 
-    std::unique_ptr<DummyPageHolder> pageHolder;
+    OwnPtr<DummyPageHolder> pageHolder;
     Persistent<Document> document;
     TrackExceptionState exceptionState;
 };
 
 TEST_F(AnimationAnimationInputHelpersTest, ParseKeyframePropertyAttributes)
 {
     EXPECT_EQ(CSSPropertyLineHeight, keyframeAttributeToCSSProperty("lineHeight"));
     EXPECT_EQ(CSSPropertyBorderTopWidth, keyframeAttributeToCSSProperty("borderTopWidth"));
     EXPECT_EQ(CSSPropertyWidth, keyframeAttributeToCSSProperty("width"));
     EXPECT_EQ(CSSPropertyFloat, keyframeAttributeToCSSProperty("float"));
@@ skipping 33 matching lines @@
     timingFunctionRoundTrips("cubic-bezier(0.1, 5, 0.23, 0)", exceptionState);
 
     EXPECT_EQ("steps(3, end)", parseTimingFunction("steps(3)", exceptionState)->toString());
 
     timingFunctionThrows("steps(3, nowhere)", exceptionState);
     timingFunctionThrows("steps(-3, end)", exceptionState);
     timingFunctionThrows("cubic-bezier(0.1, 0, 4, 0.4)", exceptionState);
 }
 
 } // namespace blink