Remove RemoteAccessClientFirewallTraversal policy and code paths.

ppapi/thunk/ppb_instance_api.h

 // 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.
 
 #ifndef PPAPI_THUNK_INSTANCE_API_H_
 #define PPAPI_THUNK_INSTANCE_API_H_
 
 #include "ppapi/c/dev/ppb_url_util_dev.h"
 #include "ppapi/c/pp_completion_callback.h"
 #include "ppapi/c/ppb_instance.h"
@@ skipping 65 matching lines @@
   virtual int32_t LockMouse(PP_Instance instance,
                             PP_CompletionCallback callback) = 0;
   virtual void UnlockMouse(PP_Instance instance) = 0;
 
   // Zoom.
   virtual void ZoomChanged(PP_Instance instance, double factor) = 0;
   virtual void ZoomLimitsChanged(PP_Instance instance,
                                  double minimum_factor,
                                  double maximium_factor) = 0;
 
-  // QueryPolicy.
-  virtual void SubscribeToPolicyUpdates(PP_Instance instance) = 0;
-
   // URLUtil.
   virtual PP_Var ResolveRelativeToDocument(
       PP_Instance instance,
       PP_Var relative,
       PP_URLComponents_Dev* components) = 0;
   virtual PP_Bool DocumentCanRequest(PP_Instance instance, PP_Var url) = 0;
   virtual PP_Bool DocumentCanAccessDocument(PP_Instance instance,
                                             PP_Instance target) = 0;
   virtual PP_Var GetDocumentURL(PP_Instance instance,
                                 PP_URLComponents_Dev* components) = 0;
   virtual PP_Var GetPluginInstanceURL(PP_Instance instance,
                                       PP_URLComponents_Dev* components) = 0;
 
   static const proxy::InterfaceID interface_id =
       proxy::INTERFACE_ID_PPB_INSTANCE;
 };
 
 }  // namespace thunk
 }  // namespace ppapi
 
 #endif  // PPAPI_THUNK_INSTANCE_API_H_