Remove RemoteAccessClientFirewallTraversal policy and code paths.

ppapi/proxy/ppb_instance_proxy.cc

 // Copyright (c) 2011 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.
 
 #include "ppapi/proxy/ppb_instance_proxy.h"
 
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/c/pp_var.h"
 #include "ppapi/c/ppb_instance.h"
 #include "ppapi/c/ppb_messaging.h"
@@ skipping 281 matching lines @@
   NOTIMPLEMENTED();
 }
 
 void PPB_Instance_Proxy::ZoomLimitsChanged(PP_Instance instance,
                                            double minimum_factor,
                                            double maximium_factor) {
   // Not proxied yet.
   NOTIMPLEMENTED();
 }
 
-void PPB_Instance_Proxy::SubscribeToPolicyUpdates(PP_Instance instance) {
-  // Not proxied yet.
-  NOTIMPLEMENTED();
-}
-
 PP_Var PPB_Instance_Proxy::ResolveRelativeToDocument(
     PP_Instance instance,
     PP_Var relative,
     PP_URLComponents_Dev* components) {
   ReceiveSerializedVarReturnValue result;
   dispatcher()->Send(new PpapiHostMsg_PPBInstance_ResolveRelativeToDocument(
       INTERFACE_ID_PPB_INSTANCE, instance,
       SerializedVarSendInput(dispatcher(), relative),
       &result));
   return URLUtilImpl::ConvertComponentsAndReturnURL(result.Return(dispatcher()),
@@ skipping 262 matching lines @@
     SerializedVarReturnValue result) {
   EnterFunctionNoLock<PPB_Instance_FunctionAPI> enter(instance, true);
   if (enter.succeeded()) {
     result.Return(dispatcher(),
                   enter.functions()->GetPluginInstanceURL(instance, NULL));
   }
 }
 
 }  // namespace proxy
 }  // namespace ppapi