Deprecate media_task_runner() from FileSystemTaskRunners

chrome/browser/media_galleries/fileapi/media_file_system_mount_point_provider.h

 // 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.
 
 #ifndef CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_MEDIA_FILE_SYSTEM_MOUNT_POINT_PROVIDER_H_
 #define CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_MEDIA_FILE_SYSTEM_MOUNT_POINT_PROVIDER_H_
 
+#include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "webkit/browser/fileapi/file_system_mount_point_provider.h"
 
+namespace base {
+class SequencedTaskRunner;
+}
+
 namespace fileapi {
 class AsyncFileUtilAdapter;
 }
 
 namespace chrome {
 
 class MediaPathFilter;
 
 class DeviceMediaAsyncFileUtil;
 
 class MediaFileSystemMountPointProvider
     : public fileapi::FileSystemMountPointProvider {
  public:
+  static const char kMediaTaskRunnerName[];
   static const char kMediaPathFilterKey[];
   static const char kMTPDeviceDelegateURLKey[];
 
-  explicit MediaFileSystemMountPointProvider(
-      const base::FilePath& profile_path);
+  MediaFileSystemMountPointProvider(
+      const base::FilePath& profile_path,
+      base::SequencedTaskRunner* media_task_runner);
   virtual ~MediaFileSystemMountPointProvider();
 
   // FileSystemMountPointProvider implementation.
   virtual bool CanHandleType(fileapi::FileSystemType type) const OVERRIDE;
   virtual void OpenFileSystem(
       const GURL& origin_url,
       fileapi::FileSystemType type,
       fileapi::OpenFileSystemMode mode,
       const OpenFileSystemCallback& callback) OVERRIDE;
   virtual fileapi::FileSystemFileUtil* GetFileUtil(
@@ skipping 23 matching lines @@
   virtual void DeleteFileSystem(
       const GURL& origin_url,
       fileapi::FileSystemType type,
       fileapi::FileSystemContext* context,
       const DeleteFileSystemCallback& callback) OVERRIDE;
 
  private:
   // Store the profile path. We need this to create temporary snapshot files.
   const base::FilePath profile_path_;
 
+  scoped_refptr<base::SequencedTaskRunner> media_task_runner_;
+
   scoped_ptr<MediaPathFilter> media_path_filter_;
   scoped_ptr<fileapi::CopyOrMoveFileValidatorFactory>
       media_copy_or_move_file_validator_factory_;
 
   scoped_ptr<fileapi::AsyncFileUtil> native_media_file_util_;
   scoped_ptr<DeviceMediaAsyncFileUtil> device_media_async_file_util_;
   scoped_ptr<fileapi::AsyncFileUtil> picasa_file_util_;
   scoped_ptr<fileapi::AsyncFileUtil> itunes_file_util_;
 
   DISALLOW_COPY_AND_ASSIGN(MediaFileSystemMountPointProvider);
 };
 
 }  // namespace chrome
 
 #endif  // CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_MEDIA_FILE_SYSTEM_MOUNT_POINT_PROVIDER_H_