Cleanup FileSystemOperation for preparing for adding FSO-factory method

webkit/fileapi/local_file_util.cc

 // 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.
 
 #include "webkit/fileapi/local_file_util.h"
 
 #include "base/file_util_proxy.h"
 #include "googleurl/src/gurl.h"
 #include "webkit/fileapi/file_system_context.h"
 #include "webkit/fileapi/file_system_mount_point_provider.h"
@@ skipping 275 matching lines @@
   return underlying_file_util()->DeleteSingleDirectory(
       context, local_path);
 }
 
 FilePath LocalFileUtil::GetLocalPath(
     FileSystemOperationContext* context,
     const GURL& origin_url,
     FileSystemType type,
     const FilePath& virtual_path) {
   FilePath root = context->file_system_context()->GetMountPointProvider(type)->
-      ValidateFileSystemRootAndGetPathOnFileThread(origin_url, type,
-          virtual_path, false);
+      GetFileSystemRootPathOnFileThread(origin_url, type, virtual_path, false);
   if (root.empty())
     return FilePath();
   return root.Append(virtual_path);
 }
 
 }  // namespace fileapi