content: Cleanup class/struct forward declarations

content/public/test/test_file_system_context.h

 // Copyright 2013 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 CONTENT_PUBLIC_TEST_TEST_FILE_SYSTEM_CONTEXT_H_
 #define CONTENT_PUBLIC_TEST_TEST_FILE_SYSTEM_CONTEXT_H_
 
 #include "base/files/file_path.h"
 #include "base/memory/scoped_vector.h"
 #include "storage/browser/fileapi/file_system_context.h"
 
 namespace storage {
 class QuotaManagerProxy;
-class SpecialStoragePolicy;
 }
 
 namespace storage {
 class FileSystemBackend;
 }
 
 namespace content {
 
 storage::FileSystemContext* CreateFileSystemContextForTesting(
     storage::QuotaManagerProxy* quota_manager_proxy,
@@ skipping 13 matching lines @@
     const std::vector<storage::URLRequestAutoMountHandler>& auto_mounters,
     const base::FilePath& base_path);
 
 storage::FileSystemContext* CreateIncognitoFileSystemContextForTesting(
     storage::QuotaManagerProxy* quota_manager_proxy,
     const base::FilePath& base_path);
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_TEST_TEST_FILE_SYSTEM_CONTEXT_H_