Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/core/input/EventHandlerTest.cpp

 // Copyright 2015 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/input/EventHandler.h"
 
 #include "core/dom/Document.h"
 #include "core/dom/Range.h"
 #include "core/editing/Editor.h"
 #include "core/editing/FrameSelection.h"
 #include "core/frame/FrameView.h"
 #include "core/frame/LocalFrame.h"
 #include "core/html/HTMLDocument.h"
 #include "core/page/AutoscrollController.h"
 #include "core/page/Page.h"
 #include "core/testing/DummyPageHolder.h"
 #include "platform/PlatformMouseEvent.h"
 #include "testing/gtest/include/gtest/gtest.h"
-#include <memory>
 
 namespace blink {
 
 class EventHandlerTest : public ::testing::Test {
 protected:
     void SetUp() override;
 
     Page& page() const { return m_dummyPageHolder->page(); }
     Document& document() const { return m_dummyPageHolder->document(); }
 
     void setHtmlInnerHTML(const char* htmlContent);
 
 private:
-    std::unique_ptr<DummyPageHolder> m_dummyPageHolder;
+    OwnPtr<DummyPageHolder> m_dummyPageHolder;
 };
 
 class TapEventBuilder : public PlatformGestureEvent {
 public:
     TapEventBuilder(IntPoint position, int tapCount)
         : PlatformGestureEvent(PlatformEvent::GestureTap,
             position,
             position,
             IntSize(5, 5),
             WTF::monotonicallyIncreasingTime(),
@@ skipping 191 matching lines @@
         PlatformEvent::MouseMoved,
         1,
         PlatformEvent::Modifiers::LeftButtonDown,
         WTF::monotonicallyIncreasingTime());
     document().frame()->eventHandler().handleMouseMoveEvent(mouseMoveEvent);
 
     EXPECT_EQ(IntPoint(45, 44), document().frame()->eventHandler().dragDataTransferLocationForTesting());
 }
 
 } // namespace blink