Deprecate FileSystemMountPointProvider::GetFileSystemRootPathOnFileThread

chrome/browser/media_galleries/fileapi/media_file_system_mount_point_provider.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/media_file_system_mount_point_provider.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/files/file_path.h"
@@ skipping 65 matching lines @@
     const GURL& origin_url,
     fileapi::FileSystemType type,
     bool create,
     const ValidateFileSystemCallback& callback) {
   // We never allow opening a new isolated FileSystem via usual OpenFileSystem.
   base::MessageLoopProxy::current()->PostTask(
       FROM_HERE,
       base::Bind(callback, base::PLATFORM_FILE_ERROR_SECURITY));
 }
 
-base::FilePath
-MediaFileSystemMountPointProvider::GetFileSystemRootPathOnFileThread(
-    const FileSystemURL& url,
-    bool create) {
-  // This is not supposed to be used.
-  NOTREACHED();
-  return base::FilePath();
-}
-
 fileapi::FileSystemFileUtil* MediaFileSystemMountPointProvider::GetFileUtil(
     fileapi::FileSystemType type) {
   switch (type) {
     case fileapi::kFileSystemTypeNativeMedia:
       return native_media_file_util_->sync_file_util();
     default:
       NOTREACHED();
   }
   return NULL;
 }
@@ skipping 107 matching lines @@
 void MediaFileSystemMountPointProvider::DeleteFileSystem(
     const GURL& origin_url,
     fileapi::FileSystemType type,
     FileSystemContext* context,
     const DeleteFileSystemCallback& callback) {
   NOTREACHED();
   callback.Run(base::PLATFORM_FILE_ERROR_INVALID_OPERATION);
 }
 
 }  // namespace chrome