fileapi: Rename FileSystemMountProvider to FileSystemBackend

chrome/browser/chromeos/fileapi/cros_mount_point_provider_delegate.h

-// Copyright 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_CHROMEOS_FILEAPI_CROS_MOUNT_POINT_PROVIDER_DELEGATE_H_
-#define CHROME_BROWSER_CHROMEOS_FILEAPI_CROS_MOUNT_POINT_PROVIDER_DELEGATE_H_
-
-#include "base/basictypes.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/platform_file.h"
-#include "webkit/common/fileapi/file_system_types.h"
-
-namespace base {
-class Time;
-}  // namespace base
-
-namespace fileapi {
-class AsyncFileUtil;
-class FileSystemContext;
-class FileSystemOperation;
-class FileSystemURL;
-class FileStreamWriter;
-}  // namespace fileapi
-
-namespace webkit_blob {
-class FileStreamReader;
-}  // namespace webkit_blob
-
-namespace chromeos {
-
-// This is delegate interface to inject the implementation of the some methods
-// of CrosMountPointProvider. The main goal is to inject Drive File System.
-class CrosMountPointProviderDelegate {
- public:
-  virtual ~CrosMountPointProviderDelegate() {}
-
-  // Called from CrosMountPointProvider::GetAsyncFileUtil().
-  virtual fileapi::AsyncFileUtil* GetAsyncFileUtil(
-      fileapi::FileSystemType type) = 0;
-
-  // Called from CrosMountPointProvider::CreateFileStreamReader().
-  virtual scoped_ptr<webkit_blob::FileStreamReader> CreateFileStreamReader(
-      const fileapi::FileSystemURL& url,
-      int64 offset,
-      const base::Time& expected_modification_time,
-      fileapi::FileSystemContext* context) = 0;
-
-  // Called from CrosMountPointProvider::CreateFileStreamWriter().
-  virtual scoped_ptr<fileapi::FileStreamWriter> CreateFileStreamWriter(
-      const fileapi::FileSystemURL& url,
-      int64 offset,
-      fileapi::FileSystemContext* context) = 0;
-
-  // Called from CrosMountPointProvider::CreateFileSystemOperation().
-  // TODO(hidehiko): Get rid of this method when we merge the
-  // {Remote,Local}FileSystemOperation.
-  virtual fileapi::FileSystemOperation* CreateFileSystemOperation(
-      const fileapi::FileSystemURL& url,
-      fileapi::FileSystemContext* context,
-      base::PlatformFileError* error_code) = 0;
-};
-
-}  // namespace chromeos
-
-#endif  // CHROME_BROWSER_CHROMEOS_FILEAPI_CROS_MOUNT_POINT_PROVIDER_DELEGATE_H_