Remove RemoteAccessClientFirewallTraversal policy and code paths.

ppapi/thunk/ppb_query_policy_thunk.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/c/dev/ppb_query_policy_dev.h"
-#include "ppapi/thunk/thunk.h"
-#include "ppapi/thunk/enter.h"
-#include "ppapi/thunk/ppb_instance_api.h"
-
-namespace ppapi {
-namespace thunk {
-
-namespace {
-
-void SubscribeToPolicyUpdates(PP_Instance instance) {
-  EnterFunction<PPB_Instance_FunctionAPI> enter(instance, true);
-  if (enter.failed())
-    return;
-  enter.functions()->SubscribeToPolicyUpdates(instance);
-}
-
-const PPB_QueryPolicy_Dev g_ppb_querypolicy_thunk = {
-  &SubscribeToPolicyUpdates,
-};
-
-}  // namespace
-
-const PPB_QueryPolicy_Dev* GetPPB_QueryPolicy_Dev_Thunk() {
-  return &g_ppb_querypolicy_thunk;
-}
-
-}  // namespace thunk
-}  // namespace ppapi