Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/modules/canvas2d/CanvasRenderingContext2DAPITest.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 "modules/canvas2d/CanvasRenderingContext2D.h"
 
 #include "core/frame/FrameView.h"
 #include "core/frame/Settings.h"
 #include "core/html/HTMLCanvasElement.h"
 #include "core/html/HTMLDocument.h"
 #include "core/html/ImageData.h"
 #include "core/loader/EmptyClients.h"
 #include "core/testing/DummyPageHolder.h"
 #include "modules/accessibility/AXObject.h"
 #include "modules/accessibility/AXObjectCacheImpl.h"
 #include "modules/canvas2d/CanvasGradient.h"
 #include "modules/canvas2d/CanvasPattern.h"
 #include "modules/canvas2d/HitRegionOptions.h"
 #include "modules/webgl/WebGLRenderingContext.h"
 #include "platform/graphics/UnacceleratedImageBufferSurface.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
-#include <memory>
 
 using ::testing::Mock;
 
 namespace blink {
 
 class CanvasRenderingContext2DAPITest : public ::testing::Test {
 protected:
     CanvasRenderingContext2DAPITest();
     void SetUp() override;
 
     DummyPageHolder& page() const { return *m_dummyPageHolder; }
     HTMLDocument& document() const { return *m_document; }
     HTMLCanvasElement& canvasElement() const { return *m_canvasElement; }
     CanvasRenderingContext2D* context2d() const;
 
     void createContext(OpacityMode);
 
 private:
-    std::unique_ptr<DummyPageHolder> m_dummyPageHolder;
+    OwnPtr<DummyPageHolder> m_dummyPageHolder;
     Persistent<HTMLDocument> m_document;
     Persistent<HTMLCanvasElement> m_canvasElement;
 
 };
 
 CanvasRenderingContext2DAPITest::CanvasRenderingContext2DAPITest()
 { }
 
 CanvasRenderingContext2D* CanvasRenderingContext2DAPITest::context2d() const
 {
@@ skipping 266 matching lines @@
     AXObjectCacheImpl* axObjectCache = toAXObjectCacheImpl(document().existingAXObjectCache());
     AXObject* axObject = axObjectCache->getOrCreate(buttonElement);
 
     EXPECT_EQ(25, axObject->elementRect().x().toInt());
     EXPECT_EQ(25, axObject->elementRect().y().toInt());
     EXPECT_EQ(40, axObject->elementRect().width().toInt());
     EXPECT_EQ(40, axObject->elementRect().height().toInt());
 }
 
 } // namespace blink