Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/core/loader/appcache/ApplicationCacheHost.h

 /*
  * Copyright (c) 2009, 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 ApplicationCacheHost_h
 #define ApplicationCacheHost_h
 
 #include "platform/heap/Handle.h"
 #include "platform/weborigin/KURL.h"
 #include "public/platform/WebApplicationCacheHostClient.h"
 #include "wtf/Allocator.h"
+#include "wtf/OwnPtr.h"
 #include "wtf/Vector.h"
-#include <memory>
 
 namespace blink {
     class ApplicationCache;
     class DocumentLoader;
     class ResourceRequest;
     class ResourceResponse;
 
     class ApplicationCacheHost final : public GarbageCollectedFinalized<ApplicationCacheHost>, public WebApplicationCacheHostClient {
         WTF_MAKE_NONCOPYABLE(ApplicationCacheHost);
     public:
@@ skipping 118 matching lines @@
             }
         };
 
         WeakMember<ApplicationCache> m_domApplicationCache;
         Member<DocumentLoader> m_documentLoader;
         bool m_defersEvents; // Events are deferred until after document onload.
         Vector<DeferredEvent> m_deferredEvents;
 
         void dispatchDOMEvent(EventID, int progressTotal, int progressDone, WebApplicationCacheHost::ErrorReason, const String& errorURL, int errorStatus, const String& errorMessage);
 
-        std::unique_ptr<WebApplicationCacheHost> m_host;
+        OwnPtr<WebApplicationCacheHost> m_host;
     };
 
 }  // namespace blink
 
 #endif  // ApplicationCacheHost_h