Convert Pass()→std::move() in //chrome

chrome/browser/media_galleries/fileapi/device_media_async_file_util.cc

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/media_galleries/fileapi/device_media_async_file_util.h"
 
 #include <stddef.h>
+#include <utility>
 
 #include "base/callback.h"
 #include "base/files/file_util.h"
 #include "base/macros.h"
 #include "base/single_thread_task_runner.h"
 #include "base/task_runner_util.h"
 #include "chrome/browser/media_galleries/fileapi/media_path_filter.h"
 #include "chrome/browser/media_galleries/fileapi/mtp_device_async_delegate.h"
 #include "chrome/browser/media_galleries/fileapi/mtp_device_map_service.h"
 #include "chrome/browser/media_galleries/fileapi/mtp_file_stream_reader.h"
@@ skipping 291 matching lines @@
     const CreateOrOpenCallback& callback) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
   // Returns an error if any unsupported flag is found.
   if (file_flags & ~(base::File::FLAG_OPEN |
                      base::File::FLAG_READ |
                      base::File::FLAG_WRITE_ATTRIBUTES)) {
     callback.Run(base::File(base::File::FILE_ERROR_SECURITY), base::Closure());
     return;
   }
   CreateSnapshotFile(
-      context.Pass(),
-      url,
+      std::move(context), url,
       base::Bind(&NativeMediaFileUtil::CreatedSnapshotFileForCreateOrOpen,
-                 make_scoped_refptr(context->task_runner()),
-                 file_flags,
+                 make_scoped_refptr(context->task_runner()), file_flags,
                  callback));
 }
 
 void DeviceMediaAsyncFileUtil::EnsureFileExists(
     scoped_ptr<FileSystemOperationContext> context,
     const FileSystemURL& url,
     const EnsureFileExistsCallback& callback) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
   NOTIMPLEMENTED();
   callback.Run(base::File::FILE_ERROR_SECURITY, false);
@@ skipping 368 matching lines @@
 void DeviceMediaAsyncFileUtil::OnDidDeleteDirectory(
     const StatusCallback& callback) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
 
   callback.Run(base::File::FILE_OK);
 }
 
 bool DeviceMediaAsyncFileUtil::validate_media_files() const {
   return media_path_filter_wrapper_.get() != NULL;
 }