Cleanup: Remove using statements from webkit/fileapi header files.

webkit/fileapi/test_mount_point_provider.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_TEST_MOUNT_POINT_PROVIDER_H_
 #define WEBKIT_FILEAPI_TEST_MOUNT_POINT_PROVIDER_H_
 
 #include "base/file_path.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "webkit/fileapi/file_system_mount_point_provider.h"
 #include "webkit/fileapi/task_runner_bound_observer_list.h"
 #include "webkit/storage/webkit_storage_export.h"
 
 namespace base {
 class SequencedTaskRunner;
 }
 
 namespace fileapi {
 
 class LocalFileUtil;
 class FileSystemQuotaUtil;
 
 // This should be only used for testing.
 // This mount point provider uses LocalFileUtil and stores data file
 // under the given directory.
 class WEBKIT_STORAGE_EXPORT_PRIVATE TestMountPointProvider
     : public FileSystemMountPointProvider {
  public:
-  using FileSystemMountPointProvider::ValidateFileSystemCallback;
-  using FileSystemMountPointProvider::DeleteFileSystemCallback;
-
   TestMountPointProvider(
       base::SequencedTaskRunner* task_runner,
       const FilePath& base_path);
   virtual ~TestMountPointProvider();
 
   // FileSystemMountPointProvider implementation.
   virtual void ValidateFileSystemRoot(
       const GURL& origin_url,
       FileSystemType type,
       bool create,
@@ skipping 34 matching lines @@
   FilePath base_path_;
   scoped_refptr<base::SequencedTaskRunner> task_runner_;
   scoped_ptr<LocalFileUtil> local_file_util_;
   scoped_ptr<QuotaUtil> quota_util_;
   UpdateObserverList observers_;
 };
 
 }  // namespace fileapi
 
 #endif  // WEBKIT_FILEAPI_TEST_MOUNT_POINT_PROVIDER_H_