Add Pepper VideoReader and VideoWriter plumbing

ppapi/thunk/resource_creation_api.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 PPAPI_THUNK_RESOURCE_CREATION_API_H_
 #define PPAPI_THUNK_RESOURCE_CREATION_API_H_
 
 #include "ppapi/c/dev/ppb_file_chooser_dev.h"
 #include "ppapi/c/pp_bool.h"
 #include "ppapi/c/pp_instance.h"
@@ skipping 150 matching lines @@
                                       const PP_Flash_Menu* menu_data) = 0;
   virtual PP_Resource CreateFlashMessageLoop(PP_Instance instance) = 0;
   virtual PP_Resource CreateScrollbar(PP_Instance instance,
                                       PP_Bool vertical) = 0;
   virtual PP_Resource CreateTalk(PP_Instance instance) = 0;
   virtual PP_Resource CreateVideoCapture(PP_Instance instance) = 0;
   virtual PP_Resource CreateVideoDecoder(
       PP_Instance instance,
       PP_Resource context3d_id,
       PP_VideoDecoder_Profile profile) = 0;
+  virtual PP_Resource CreateVideoReader(PP_Instance instance) = 0;
+  virtual PP_Resource CreateVideoWriter(PP_Instance instance) = 0;
 #endif  // !defined(OS_NACL)
 
   static const ApiID kApiID = API_ID_RESOURCE_CREATION;
 };
 
 }  // namespace thunk
 }  // namespace ppapi
 
 #endif  // PPAPI_THUNK_RESOURCE_CREATION_API_H_