Do not return FileSystem contents if the profile is in incognito mode.

webkit/browser/fileapi/mock_file_system_context.h

 // Copyright (c) 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 WEBKIT_BROWSER_FILEAPI_MOCK_FILE_SYSTEM_CONTEXT_H_
 #define WEBKIT_BROWSER_FILEAPI_MOCK_FILE_SYSTEM_CONTEXT_H_
 
 #include "base/files/file_path.h"
 #include "base/memory/scoped_vector.h"
 
@@ skipping 11 matching lines @@
     quota::QuotaManagerProxy* quota_manager_proxy,
     const base::FilePath& base_path);
 
 // The caller is responsible for including TestFileSystemBackend in
 // |additional_providers| if needed.
 FileSystemContext* CreateFileSystemContextWithAdditionalProvidersForTesting(
     quota::QuotaManagerProxy* quota_manager_proxy,
     ScopedVector<FileSystemBackend> additional_providers,
     const base::FilePath& base_path);
 
+FileSystemContext* CreateIncognitoFileSystemContextForTesting(
+    quota::QuotaManagerProxy* quota_manager_proxy,
+    const base::FilePath& base_path);
+
 }  // namespace fileapi
 
 #endif  // WEBKIT_BROWSER_FILEAPI_MOCK_FILE_SYSTEM_CONTEXT_H_