Add a private PPB_Talk_Private interface.

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_audio_input_dev.h"
 #include "ppapi/c/dev/ppb_file_chooser_dev.h"
 #include "ppapi/c/dev/ppb_video_layer_dev.h"
@@ skipping 95 matching lines @@
       const PP_Point* mouse_movement) = 0;
   virtual PP_Resource CreateNetworkMonitor(
       PP_Instance instance,
       PPB_NetworkMonitor_Callback callback,
       void* user_data) = 0;
   virtual PP_Resource CreateResourceArray(PP_Instance instance,
                                           const PP_Resource elements[],
                                           uint32_t size) = 0;
   virtual PP_Resource CreateScrollbar(PP_Instance instance,
                                       PP_Bool vertical) = 0;
+  virtual PP_Resource CreateTalk(PP_Instance instance) = 0;
   virtual PP_Resource CreateTCPServerSocketPrivate(PP_Instance instance) = 0;
   virtual PP_Resource CreateTCPSocketPrivate(PP_Instance instace) = 0;
   virtual PP_Resource CreateTransport(PP_Instance instance,
                                       const char* name,
                                       PP_TransportType type) = 0;
   virtual PP_Resource CreateUDPSocketPrivate(PP_Instance instace) = 0;
   virtual PP_Resource CreateURLLoader(PP_Instance instance) = 0;
   virtual PP_Resource CreateURLRequestInfo(
       PP_Instance instance,
       const PPB_URLRequestInfo_Data& data) = 0;
@@ skipping 13 matching lines @@
       const PP_FloatPoint* wheel_ticks,
       PP_Bool scroll_by_page) = 0;
 
   static const ApiID kApiID = API_ID_RESOURCE_CREATION;
 };
 
 }  // namespace thunk
 }  // namespace ppapi
 
 #endif  // PPAPI_THUNK_RESOURCE_CREATION_API_H_