Add a private PPB_Talk_Private interface.

content/ppapi_plugin/ppapi_thread.cc

Index: content/ppapi_plugin/ppapi_thread.cc
diff --git a/content/ppapi_plugin/ppapi_thread.cc b/content/ppapi_plugin/ppapi_thread.cc
index 6450cf81590e151af70a98f3de7bece994b48610..4fc2ad1d3dd2a06f1bcf2cf5f646db5d8cfcf0f4 100644
--- a/content/ppapi_plugin/ppapi_thread.cc
+++ b/content/ppapi_plugin/ppapi_thread.cc
@@ -97,6 +97,8 @@ bool PpapiThread::OnMessageReceived(const IPC::Message& msg) {
                                 OnPluginDispatcherMessageReceived(msg))
     IPC_MESSAGE_HANDLER_GENERIC(PpapiMsg_PPBUDPSocket_BindACK,
                                 OnPluginDispatcherMessageReceived(msg))
+    IPC_MESSAGE_HANDLER_GENERIC(PpapiMsg_PPBTalk_GetPermissionACK,
+                                OnPluginDispatcherMessageReceived(msg))
     IPC_MESSAGE_HANDLER(PpapiMsg_SetNetworkState, OnMsgSetNetworkState)
   IPC_END_MESSAGE_MAP()
   return true;