Support LCS signaling address in the Host.

remoting/protocol/me2me_host_authenticator_factory.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/me2me_host_authenticator_factory.h"
 
 #include <utility>
 
 #include "base/base64.h"
 #include "base/memory/ptr_util.h"
@@ skipping 77 matching lines @@
     // the host owner email. Figure out a way to verify the JID in other cases.
     remote_jid_prefix = host_owner_;
   }
 
   // Verify that the client's jid is an ASCII string, and then check that the
   // client JID has the expected prefix. Comparison is case insensitive.
   if (!base::IsStringASCII(remote_jid) ||
       !base::StartsWith(remote_jid, remote_jid_prefix + '/',
                         base::CompareCase::INSENSITIVE_ASCII)) {
     LOG(ERROR) << "Rejecting incoming connection from " << remote_jid
-               << ": Prefix mismatch.";
+               << ": Prefix mismatch.  Expected: " << remote_jid_prefix;
     return base::WrapUnique(
         new RejectingAuthenticator(Authenticator::INVALID_CREDENTIALS));
   }
 
   // If necessary, verify that the client's jid belongs to the correct domain.
   if (!required_client_domain_.empty()) {
     std::string client_username = remote_jid;
     size_t pos = client_username.find('/');
     if (pos != std::string::npos) {
       client_username.replace(pos, std::string::npos, "");
@@ skipping 22 matching lines @@
         normalized_local_jid, normalized_remote_jid, local_cert_, key_pair_,
         pin_hash_, pairing_registry_);
   }
 
   return base::WrapUnique(
       new RejectingAuthenticator(Authenticator::INVALID_CREDENTIALS));
 }
 
 }  // namespace protocol
 }  // namespace remoting