This broke M20 build.

remoting/protocol/fake_authenticator.cc

 // Copyright (c) 2012 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 "remoting/protocol/fake_authenticator.h"
 
 #include "base/message_loop.h"
 #include "base/string_number_conversions.h"
 #include "net/base/io_buffer.h"
 #include "net/socket/stream_socket.h"
@@ skipping 138 matching lines @@
 FakeHostAuthenticatorFactory::FakeHostAuthenticatorFactory(
     int round_trips, FakeAuthenticator::Action action, bool async)
     : round_trips_(round_trips),
       action_(action), async_(async) {
 }
 
 FakeHostAuthenticatorFactory::~FakeHostAuthenticatorFactory() {
 }
 
 scoped_ptr<Authenticator> FakeHostAuthenticatorFactory::CreateAuthenticator(
-    const std::string& local_jid,
     const std::string& remote_jid,
     const buzz::XmlElement* first_message) {
   return scoped_ptr<Authenticator>(new FakeAuthenticator(
       FakeAuthenticator::HOST, round_trips_, action_, async_));
 }
 
 }  // namespace protocol
 }  // namespace remoting