[ew] Move operation observers from QuotaUtil to FileSystemBackend.

chrome/browser/media_galleries/fileapi/media_file_system_backend.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_BACKEND_H_
 #define CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_MEDIA_FILE_SYSTEM_BACKEND_H_
 
 #include <string>
 
 #include "base/callback.h"
 #include "base/files/file_path.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/media_galleries/media_galleries_preferences.h"
 #include "storage/browser/fileapi/file_system_backend.h"
+#include "storage/browser/fileapi/task_runner_bound_observer_list.h"
 
 namespace base {
 class SequencedTaskRunner;
 }
 
 namespace storage {
 class FileSystemURL;
 }
 
 namespace net {
@@ skipping 51 matching lines @@
   virtual scoped_ptr<storage::FileStreamReader> CreateFileStreamReader(
       const storage::FileSystemURL& url,
       int64 offset,
       const base::Time& expected_modification_time,
       storage::FileSystemContext* context) const OVERRIDE;
   virtual scoped_ptr<storage::FileStreamWriter> CreateFileStreamWriter(
       const storage::FileSystemURL& url,
       int64 offset,
       storage::FileSystemContext* context) const OVERRIDE;
   virtual storage::FileSystemQuotaUtil* GetQuotaUtil() OVERRIDE;
+  virtual const storage::UpdateObserverList* GetUpdateObservers(
+      storage::FileSystemType type) const OVERRIDE;
+  virtual const storage::ChangeObserverList* GetChangeObservers(
+      storage::FileSystemType type) const OVERRIDE;
+  virtual const storage::AccessObserverList* GetAccessObservers(
+      storage::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<storage::CopyOrMoveFileValidatorFactory>
       media_copy_or_move_file_validator_factory_;
 
   scoped_ptr<storage::AsyncFileUtil> native_media_file_util_;
   scoped_ptr<DeviceMediaAsyncFileUtil> device_media_async_file_util_;
 #if defined(OS_WIN) || defined(OS_MACOSX)
   scoped_ptr<storage::AsyncFileUtil> picasa_file_util_;
   scoped_ptr<storage::AsyncFileUtil> itunes_file_util_;
 #endif  // defined(OS_WIN) || defined(OS_MACOSX)
 #if defined(OS_MACOSX)
   scoped_ptr<storage::AsyncFileUtil> iphoto_file_util_;
 #endif  // defined(OS_MACOSX)
 
   DISALLOW_COPY_AND_ASSIGN(MediaFileSystemBackend);
 };
 
 #endif  // CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_MEDIA_FILE_SYSTEM_BACKEND_H_