Migrating test/ppapi_file_system to messaging

tests/ppapi_test_lib/get_browser_interface.h

 // Copyright (c) 2011 The Native Client Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
 // Defines helper functions for all interfaces supported by the Native Client
 // proxy.
 
 #ifndef NATIVE_CLIENT_TESTS_PPAPI_TEST_PPB_TEMPLATE_GET_BROWSER_INTERFACE_H
 #define NATIVE_CLIENT_TESTS_PPAPI_TEST_PPB_TEMPLATE_GET_BROWSER_INTERFACE_H
 
 struct PPB_Context3D_Dev;
 struct PPB_Core;
 struct PPB_FileIO_Dev;
+struct PPB_FileSystem_Dev;
 struct PPB_Graphics2D;
 struct PPB_ImageData;
 struct PPB_Instance;
 struct PPB_Messaging;
 struct PPB_Scrollbar_Dev;
 struct PPB_Surface3D_Dev;
 struct PPB_URLLoader;
 struct PPB_URLRequestInfo;
 struct PPB_URLResponseInfo;
 struct PPB_Var_Deprecated;
@@ skipping 19 matching lines @@
 
 const PPB_Var_Deprecated* PPBVarDeprecated();
 
 //
 // Experimental (aka Dev) interfaces.
 // Lookup returns NULL if the interface is not available.
 //
 
 const PPB_Context3D_Dev* PPBContext3DDev();
 const PPB_FileIO_Dev* PPBFileIODev();
+const PPB_FileSystem_Dev* PPBFileSystemDev();
 const PPB_Scrollbar_Dev* PPBScrollbarDev();
 const PPB_Surface3D_Dev* PPBSurface3DDev();
 
 #endif  // NATIVE_CLIENT_TESTS_PPAPI_TEST_PPB_TEMPLATE_GET_BROWSER_INTERFACE_H