Add a private PPB_Talk_Private interface.

ppapi/proxy/resource_creation_proxy.cc

Index: ppapi/proxy/resource_creation_proxy.cc
diff --git a/ppapi/proxy/resource_creation_proxy.cc b/ppapi/proxy/resource_creation_proxy.cc
index 93112a8e2e570fdb8612e6b3e444a7ba1f442513..b74840a31af456e2b116248aa190ea9c410144a7 100644
--- a/ppapi/proxy/resource_creation_proxy.cc
+++ b/ppapi/proxy/resource_creation_proxy.cc
@@ -25,6 +25,7 @@
 #include "ppapi/proxy/ppb_graphics_3d_proxy.h"
 #include "ppapi/proxy/ppb_host_resolver_private_proxy.h"
 #include "ppapi/proxy/ppb_image_data_proxy.h"
+#include "ppapi/proxy/ppb_talk_private_proxy.h"
 #include "ppapi/proxy/ppb_tcp_server_socket_private_proxy.h"
 #include "ppapi/proxy/ppb_tcp_socket_private_proxy.h"
 #include "ppapi/proxy/ppb_udp_socket_private_proxy.h"
@@ -284,6 +285,10 @@ PP_Resource ResourceCreationProxy::CreateScrollbar(PP_Instance instance,
   return 0;
 }
 
+PP_Resource ResourceCreationProxy::CreateTalk(PP_Instance instance) {
+  return PPB_Talk_Private_Proxy::CreateProxyResource(instance);
+}
+
 #if !defined(OS_NACL)
 PP_Resource ResourceCreationProxy::CreateTCPServerSocketPrivate(
     PP_Instance instance) {