Refactoring: Change all -FileUtils non-Singleton and to own underlying FileUtils.

webkit/fileapi/local_file_system_file_util.cc

 // Copyright (c) 2011 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_system_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_operation_context.h"
 #include "webkit/fileapi/file_system_path_manager.h"
 #include "webkit/fileapi/file_system_types.h"
 #include "webkit/fileapi/file_system_util.h"
 
 namespace fileapi {
 
 LocalFileSystemFileUtil::LocalFileSystemFileUtil(
     FileSystemFileUtil* underlying_file_util)
     : underlying_file_util_(underlying_file_util) {
 }
 
+LocalFileSystemFileUtil::~LocalFileSystemFileUtil() {
+}
+
 PlatformFileError LocalFileSystemFileUtil::CreateOrOpen(
     FileSystemOperationContext* context,
     const FilePath& file_path, int file_flags,
     PlatformFile* file_handle, bool* created) {
   FilePath local_path =
       GetLocalPath(context, context->src_origin_url(), context->src_type(),
           file_path);
   if (local_path.empty())
     return base::PLATFORM_FILE_ERROR_INVALID_OPERATION;
   return underlying_file_util_->CreateOrOpen(
@@ skipping 254 matching lines @@
     const FilePath& virtual_path) {
   FilePath root = context->file_system_context()->path_manager()->
       ValidateFileSystemRootAndGetPathOnFileThread(origin_url, type,
           virtual_path, false);
   if (root.empty())
     return FilePath();
   return root.Append(virtual_path);
 }
 
 }  // namespace fileapi