Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/modules/filesystem/DOMFileSystemSync.cpp

 /*
  * 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 25 matching lines @@
 #include "modules/filesystem/DOMFilePath.h"
 #include "modules/filesystem/DirectoryEntrySync.h"
 #include "modules/filesystem/ErrorCallback.h"
 #include "modules/filesystem/FileEntrySync.h"
 #include "modules/filesystem/FileSystemCallbacks.h"
 #include "modules/filesystem/FileWriterBaseCallback.h"
 #include "modules/filesystem/FileWriterSync.h"
 #include "platform/FileMetadata.h"
 #include "public/platform/WebFileSystem.h"
 #include "public/platform/WebFileSystemCallbacks.h"
-#include "wtf/PtrUtil.h"
-#include <memory>
 
 namespace blink {
 
 class FileWriterBase;
 
 DOMFileSystemSync* DOMFileSystemSync::create(DOMFileSystemBase* fileSystem)
 {
     return new DOMFileSystemSync(fileSystem->m_context, fileSystem->name(), fileSystem->type(), fileSystem->rootURL());
 }
 
@@ skipping 38 matching lines @@
         }
 
       private:
         CreateFileResult()
             : m_failed(false)
             , m_code(0)
         {
         }
     };
 
-    static std::unique_ptr<AsyncFileSystemCallbacks> create(CreateFileResult* result, const String& name, const KURL& url, FileSystemType type)
+    static PassOwnPtr<AsyncFileSystemCallbacks> create(CreateFileResult* result, const String& name, const KURL& url, FileSystemType type)
     {
-        return wrapUnique(static_cast<AsyncFileSystemCallbacks*>(new CreateFileHelper(result, name, url, type)));
+        return adoptPtr(static_cast<AsyncFileSystemCallbacks*>(new CreateFileHelper(result, name, url, type)));
     }
 
     void didFail(int code) override
     {
         m_result->m_failed = true;
         m_result->m_code = code;
     }
 
     ~CreateFileHelper() override
     {
@@ skipping 88 matching lines @@
 
 FileWriterSync* DOMFileSystemSync::createWriter(const FileEntrySync* fileEntry, ExceptionState& exceptionState)
 {
     ASSERT(fileEntry);
 
     FileWriterSync* fileWriter = FileWriterSync::create();
     ReceiveFileWriterCallback* successCallback = ReceiveFileWriterCallback::create();
     FileError::ErrorCode errorCode = FileError::OK;
     LocalErrorCallback* errorCallback = LocalErrorCallback::create(errorCode);
 
-    std::unique_ptr<AsyncFileSystemCallbacks> callbacks = FileWriterBaseCallbacks::create(fileWriter, successCallback, errorCallback, m_context);
+    OwnPtr<AsyncFileSystemCallbacks> callbacks = FileWriterBaseCallbacks::create(fileWriter, successCallback, errorCallback, m_context);
     callbacks->setShouldBlockUntilCompletion(true);
 
     fileSystem()->createFileWriter(createFileSystemURL(fileEntry), fileWriter, std::move(callbacks));
     if (errorCode != FileError::OK) {
         FileError::throwDOMException(exceptionState, errorCode);
         return 0;
     }
     return fileWriter;
 }
 
 DEFINE_TRACE(DOMFileSystemSync)
 {
     DOMFileSystemBase::trace(visitor);
     visitor->trace(m_rootEntry);
 }
 
 } // namespace blink