Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/web/LocalFileSystemClient.cpp

 /*
  * 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 20 matching lines @@
 #include "web/LocalFileSystemClient.h"
 
 #include "core/dom/Document.h"
 #include "core/workers/WorkerGlobalScope.h"
 #include "platform/ContentSettingCallbacks.h"
 #include "platform/weborigin/SecurityOrigin.h"
 #include "public/platform/WebContentSettingCallbacks.h"
 #include "public/web/WebContentSettingsClient.h"
 #include "web/WebLocalFrameImpl.h"
 #include "web/WorkerContentSettingsClient.h"
-#include "wtf/PtrUtil.h"
 #include "wtf/text/WTFString.h"
-#include <memory>
 
 namespace blink {
 
-std::unique_ptr<FileSystemClient> LocalFileSystemClient::create()
+PassOwnPtr<FileSystemClient> LocalFileSystemClient::create()
 {
-    return wrapUnique(static_cast<FileSystemClient*>(new LocalFileSystemClient()));
+    return adoptPtr(static_cast<FileSystemClient*>(new LocalFileSystemClient()));
 }
 
 LocalFileSystemClient::~LocalFileSystemClient()
 {
 }
 
 bool LocalFileSystemClient::requestFileSystemAccessSync(ExecutionContext* context)
 {
     DCHECK(context);
     if (context->isDocument()) {
         NOTREACHED();
         return false;
     }
 
     DCHECK(context->isWorkerGlobalScope());
     return WorkerContentSettingsClient::from(*toWorkerGlobalScope(context))->requestFileSystemAccessSync();
 }
 
-void LocalFileSystemClient::requestFileSystemAccessAsync(ExecutionContext* context, std::unique_ptr<ContentSettingCallbacks> callbacks)
+void LocalFileSystemClient::requestFileSystemAccessAsync(ExecutionContext* context, PassOwnPtr<ContentSettingCallbacks> callbacks)
 {
     DCHECK(context);
     if (!context->isDocument()) {
         NOTREACHED();
         return;
     }
 
     Document* document = toDocument(context);
     WebLocalFrameImpl* webFrame = WebLocalFrameImpl::fromFrame(document->frame());
     if (!webFrame->contentSettingsClient()) {
         callbacks->onAllowed();
         return;
     }
     webFrame->contentSettingsClient()->requestFileSystemAccessAsync(std::move(callbacks));
 }
 
 LocalFileSystemClient::LocalFileSystemClient()
 {
 }
 
 } // namespace blink