Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/modules/filesystem/DOMFileSystem.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 28 matching lines @@
 #include "modules/filesystem/FileWriter.h"
 #include "modules/filesystem/FileWriterBaseCallback.h"
 #include "modules/filesystem/FileWriterCallback.h"
 #include "modules/filesystem/MetadataCallback.h"
 #include "platform/FileMetadata.h"
 #include "platform/weborigin/SecurityOrigin.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebFileSystem.h"
 #include "public/platform/WebFileSystemCallbacks.h"
 #include "public/platform/WebSecurityOrigin.h"
+#include "wtf/OwnPtr.h"
 #include "wtf/text/StringBuilder.h"
 #include "wtf/text/WTFString.h"
-#include <memory>
 
 namespace blink {
 
 // static
 DOMFileSystem* DOMFileSystem::create(ExecutionContext* context, const String& name, FileSystemType type, const KURL& rootURL)
 {
     DOMFileSystem* fileSystem(new DOMFileSystem(context, name, type, rootURL));
     fileSystem->suspendIfNeeded();
     return fileSystem;
 }
@@ skipping 91 matching lines @@
 {
     ASSERT(fileEntry);
 
     if (!fileSystem()) {
         reportError(errorCallback, FileError::create(FileError::ABORT_ERR));
         return;
     }
 
     FileWriter* fileWriter = FileWriter::create(getExecutionContext());
     FileWriterBaseCallback* conversionCallback = ConvertToFileWriterCallback::create(successCallback);
-    std::unique_ptr<AsyncFileSystemCallbacks> callbacks = FileWriterBaseCallbacks::create(fileWriter, conversionCallback, errorCallback, m_context);
+    OwnPtr<AsyncFileSystemCallbacks> callbacks = FileWriterBaseCallbacks::create(fileWriter, conversionCallback, errorCallback, m_context);
     fileSystem()->createFileWriter(createFileSystemURL(fileEntry), fileWriter, std::move(callbacks));
 }
 
 void DOMFileSystem::createFile(const FileEntry* fileEntry, BlobCallback* successCallback, ErrorCallback* errorCallback)
 {
     KURL fileSystemURL = createFileSystemURL(fileEntry);
     if (!fileSystem()) {
         reportError(errorCallback, FileError::create(FileError::ABORT_ERR));
         return;
     }
 
     fileSystem()->createSnapshotFileAndReadMetadata(fileSystemURL, SnapshotFileCallback::create(this, fileEntry->name(), fileSystemURL, successCallback, errorCallback, m_context));
 }
 
 DEFINE_TRACE(DOMFileSystem)
 {
     DOMFileSystemBase::trace(visitor);
     ActiveDOMObject::trace(visitor);
     visitor->trace(m_rootEntry);
 }
 
 } // namespace blink