SyncFS: Introduce SyncFileSystemBackend

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"
@@ skipping 22 matching lines @@
   MediaFileSystemMountPointProvider(
       const base::FilePath& profile_path,
       base::SequencedTaskRunner* media_task_runner);
   virtual ~MediaFileSystemMountPointProvider();
 
   static bool CurrentlyOnMediaTaskRunnerThread();
   static scoped_refptr<base::SequencedTaskRunner> MediaTaskRunner();
 
   // FileSystemMountPointProvider implementation.
   virtual bool CanHandleType(fileapi::FileSystemType type) const OVERRIDE;
+  virtual GURL GetRootURI(const GURL& origin_url,
+                          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(
       fileapi::FileSystemType type) OVERRIDE;
   virtual fileapi::AsyncFileUtil* GetAsyncFileUtil(
       fileapi::FileSystemType type) OVERRIDE;
   virtual fileapi::CopyOrMoveFileValidatorFactory*
   GetCopyOrMoveFileValidatorFactory(
       fileapi::FileSystemType type,
       base::PlatformFileError* error_code) OVERRIDE;
   virtual fileapi::FileSystemOperation* CreateFileSystemOperation(
       const fileapi::FileSystemURL& url,
       fileapi::FileSystemContext* context,
       base::PlatformFileError* error_code) const OVERRIDE;
   virtual scoped_ptr<webkit_blob::FileStreamReader> CreateFileStreamReader(
       const fileapi::FileSystemURL& url,
       int64 offset,
       const base::Time& expected_modification_time,
       fileapi::FileSystemContext* context) const OVERRIDE;
   virtual scoped_ptr<fileapi::FileStreamWriter> CreateFileStreamWriter(
       const fileapi::FileSystemURL& url,
       int64 offset,
       fileapi::FileSystemContext* context) const OVERRIDE;
   virtual fileapi::FileSystemQuotaUtil* GetQuotaUtil() OVERRIDE;
+  virtual const fileapi::UpdateObserverList* GetUpdateObservers(
+      fileapi::FileSystemType type) const 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_;
 #if defined(OS_WIN) || defined(OS_MACOSX)
   scoped_ptr<fileapi::AsyncFileUtil> picasa_file_util_;
   scoped_ptr<fileapi::AsyncFileUtil> itunes_file_util_;
 #endif  // defined(OS_WIN) || defined(OS_MACOSX)
 
   DISALLOW_COPY_AND_ASSIGN(MediaFileSystemMountPointProvider);
 };
 
 }  // namespace chrome
 
 #endif  // CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_MEDIA_FILE_SYSTEM_MOUNT_POINT_PROVIDER_H_