Revert "Remove OwnPtr from Blink."

third_party/WebKit/public/platform/WebFileSystemCallbacks.h

 /*
  * Copyright (C) 2010 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 21 matching lines @@
 #define WebFileSystemCallbacks_h
 
 #include "WebCommon.h"
 #include "WebFileError.h"
 #include "WebFileSystemEntry.h"
 #include "WebFileSystemType.h"
 #include "WebPrivatePtr.h"
 #include "WebVector.h"
 
 #if INSIDE_BLINK
-#include <memory>
+#include "wtf/OwnPtr.h"
+#include "wtf/PassOwnPtr.h"
 #endif
 
 namespace blink {
 
 class AsyncFileSystemCallbacks;
 class WebFileWriter;
 class WebString;
 class WebURL;
 class WebFileSystemCallbacksPrivate;
 struct WebFileInfo;
 
 class WebFileSystemCallbacks {
 public:
     ~WebFileSystemCallbacks() { reset(); }
     WebFileSystemCallbacks() { }
     WebFileSystemCallbacks(const WebFileSystemCallbacks& c) { assign(c); }
     WebFileSystemCallbacks& operator=(const WebFileSystemCallbacks& c)
     {
         assign(c);
         return *this;
     }
 
     BLINK_PLATFORM_EXPORT void reset();
     BLINK_PLATFORM_EXPORT void assign(const WebFileSystemCallbacks&);
 
 #if INSIDE_BLINK
-    BLINK_PLATFORM_EXPORT WebFileSystemCallbacks(std::unique_ptr<AsyncFileSystemCallbacks>&&);
+    BLINK_PLATFORM_EXPORT WebFileSystemCallbacks(WTF::PassOwnPtr<AsyncFileSystemCallbacks>&&);
 #endif
 
     // Callback for WebFileSystem's various operations that don't require
     // return values.
     BLINK_PLATFORM_EXPORT void didSucceed();
 
     // Callback for WebFileSystem::readMetadata. Called with the file metadata
     // for the requested path.
     BLINK_PLATFORM_EXPORT void didReadMetadata(const WebFileInfo&);
 
@@ skipping 29 matching lines @@
     // is fullfilled.
     BLINK_PLATFORM_EXPORT bool shouldBlockUntilCompletion() const;
 
 private:
     WebPrivatePtr<WebFileSystemCallbacksPrivate> m_private;
 };
 
 } // namespace blink
 
 #endif