Deprecate FileSystemBackend::GetFileUtil()

webkit/browser/fileapi/file_system_backend.h

 // Copyright (c) 2012 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 WEBKIT_BROWSER_FILEAPI_FILE_SYSTEM_BACKEND_H_
 #define WEBKIT_BROWSER_FILEAPI_FILE_SYSTEM_BACKEND_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 51 matching lines @@
   // and if it can access (or create) the root directory.
   // If |mode| is CREATE_IF_NONEXISTENT calling this may also create
   // the root directory (and/or related database entries etc) for
   // the filesystem if it doesn't exist.
   virtual void OpenFileSystem(
       const GURL& origin_url,
       FileSystemType type,
       OpenFileSystemMode mode,
       const OpenFileSystemCallback& callback) = 0;
 
-  // Returns the specialized FileSystemFileUtil for this backend.
-  // It is ok to return NULL if the filesystem doesn't support synchronous
-  // version of FileUtil.
-  virtual FileSystemFileUtil* GetFileUtil(FileSystemType type) = 0;
-
   // Returns the specialized AsyncFileUtil for this backend.
   virtual AsyncFileUtil* GetAsyncFileUtil(FileSystemType type) = 0;
 
   // Returns the specialized CopyOrMoveFileValidatorFactory for this backend
   // and |type|.  If |error_code| is PLATFORM_FILE_OK and the result is NULL,
   // then no validator is required.
   virtual CopyOrMoveFileValidatorFactory* GetCopyOrMoveFileValidatorFactory(
       FileSystemType type, base::PlatformFileError* error_code) = 0;
 
   // Returns a new instance of the specialized FileSystemOperation for this
@@ skipping 59 matching lines @@
         const std::string& extension_id) = 0;
   // Gets virtual path by known filesystem path. Returns false when filesystem
   // path is not exposed by this provider.
   virtual bool GetVirtualPath(const base::FilePath& file_system_path,
                               base::FilePath* virtual_path) = 0;
 };
 
 }  // namespace fileapi
 
 #endif  // WEBKIT_BROWSER_FILEAPI_FILE_SYSTEM_BACKEND_H_