Remove OwnPtr from Blink.

third_party/WebKit/Source/core/frame/FrameHost.h

 /*
  * Copyright (C) 2013 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 17 matching lines @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef FrameHost_h
 #define FrameHost_h
 
 #include "core/CoreExport.h"
 #include "platform/heap/Handle.h"
 #include "wtf/Allocator.h"
 #include "wtf/Noncopyable.h"
-#include "wtf/OwnPtr.h"
-#include "wtf/PassOwnPtr.h"
 #include "wtf/text/AtomicString.h"
+#include <memory>
 
 namespace blink {
 
 class ChromeClient;
 class ConsoleMessageStorage;
 class CustomElementReactionStack;
 class Deprecation;
 class EventHandlerRegistry;
 class OverscrollController;
 class Page;
@@ skipping 82 matching lines @@
     int subframeCount() const;
 
     void setDefaultPageScaleLimits(float minScale, float maxScale);
     void setUserAgentPageScaleConstraints(const PageScaleConstraints& newConstraints);
 
 private:
     explicit FrameHost(Page&);
 
     const Member<Page> m_page;
     const Member<TopControls> m_topControls;
-    const OwnPtr<PageScaleConstraintsSet> m_pageScaleConstraintsSet;
+    const std::unique_ptr<PageScaleConstraintsSet> m_pageScaleConstraintsSet;
     const Member<VisualViewport> m_visualViewport;
     const Member<OverscrollController> m_overscrollController;
     const Member<EventHandlerRegistry> m_eventHandlerRegistry;
     const Member<ConsoleMessageStorage> m_consoleMessageStorage;
     const Member<CustomElementReactionStack> m_customElementReactionStack;
 
     AtomicString m_overrideEncoding;
     int m_subframeCount;
 };
 
 } // namespace blink
 
 #endif // FrameHost_h