Revert "Remove OwnPtr from Blink."

third_party/WebKit/public/platform/WebContentSettingCallbacks.h

 // 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.
 
 #ifndef WebContentSettingCallbacks_h
 #define WebContentSettingCallbacks_h
 
 #include "WebPrivatePtr.h"
 
 #if INSIDE_BLINK
-#include <memory>
+#include "wtf/OwnPtr.h"
+#include "wtf/PassOwnPtr.h"
 #endif
 
 namespace blink {
 
 class ContentSettingCallbacks;
 class WebContentSettingCallbacksPrivate;
 
 class WebContentSettingCallbacks {
 public:
     ~WebContentSettingCallbacks() { reset(); }
     WebContentSettingCallbacks() { }
     WebContentSettingCallbacks(const WebContentSettingCallbacks& c) { assign(c); }
     WebContentSettingCallbacks& operator=(const WebContentSettingCallbacks& c)
     {
         assign(c);
         return *this;
     }
 
     BLINK_PLATFORM_EXPORT void reset();
     BLINK_PLATFORM_EXPORT void assign(const WebContentSettingCallbacks&);
 
 #if INSIDE_BLINK
-    BLINK_PLATFORM_EXPORT WebContentSettingCallbacks(std::unique_ptr<ContentSettingCallbacks>&&);
+    BLINK_PLATFORM_EXPORT WebContentSettingCallbacks(WTF::PassOwnPtr<ContentSettingCallbacks>&&);
 #endif
 
     BLINK_PLATFORM_EXPORT void doAllow();
     BLINK_PLATFORM_EXPORT void doDeny();
 
 private:
     WebPrivatePtr<WebContentSettingCallbacksPrivate> m_private;
 };
 
 } // namespace blink
 
 #endif