Cleanup: Introduce AsyncFileTestHelper for testing with async file/quota operations

webkit/fileapi/local_file_system_test_helper.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_FILEAPI_LOCAL_FILE_SYSTEM_TEST_HELPER_H_
 #define WEBKIT_FILEAPI_LOCAL_FILE_SYSTEM_TEST_HELPER_H_
 
 #include <string>
 
 #include "base/file_path.h"
@@ skipping 44 matching lines @@
   base::FilePath GetLocalPathFromASCII(const std::string& path);
 
   // Returns empty path if filesystem type is neither temporary nor persistent.
   base::FilePath GetUsageCachePath() const;
 
   FileSystemURL CreateURL(const base::FilePath& path) const;
   FileSystemURL CreateURLFromUTF8(const std::string& utf8) const {
     return CreateURL(base::FilePath::FromUTF8Unsafe(utf8));
   }
 
-  // Helper methods for same-FileUtil copy/move.
-  base::PlatformFileError SameFileUtilCopy(
-      FileSystemOperationContext* context,
-      const FileSystemURL& src,
-      const FileSystemURL& dest) const;
-  base::PlatformFileError SameFileUtilMove(
-      FileSystemOperationContext* context,
-      const FileSystemURL& src,
-      const FileSystemURL& dest) const;
-
   // This returns cached usage size returned by QuotaUtil.
   int64 GetCachedOriginUsage() const;
 
   // This doesn't work with OFSFU.
   int64 ComputeCurrentOriginUsage() const;
 
   int64 ComputeCurrentDirectoryDatabaseUsage() const;
 
   LocalFileSystemOperation* NewOperation();
   FileSystemOperationContext* NewOperationContext();
@@ skipping 14 matching lines @@
 
   scoped_refptr<FileSystemContext> file_system_context_;
   const GURL origin_;
   const FileSystemType type_;
   FileSystemFileUtil* file_util_;
 };
 
 }  // namespace fileapi
 
 #endif  // WEBKIT_FILEAPI_LOCAL_FILE_SYSTEM_TEST_HELPER_H_