Tighten up compile warnings based to match other chromium sub-projects....

remoting/jingle_glue/jingle_client.cc

 // Copyright (c) 2010 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.
 
 // TODO(ajwong): Check the initialization sentinels.  Can we base it off of
 // state_ instead of a member variable?  Also, we assign and read from a few of
 // the member variables on two threads.  We need to audit this for thread
 // safety.
 
 #include "remoting/jingle_glue/jingle_client.h"
@@ skipping 161 matching lines @@
     case buzz::XmppEngine::STATE_OPEN:
       {
         AutoLock auto_lock(full_jid_lock_);
         full_jid_ = client_->jid().Str();
       }
       UpdateState(CONNECTED);
       break;
     case buzz::XmppEngine::STATE_CLOSED:
       UpdateState(CLOSED);
       break;
+    default:
+      NOTREACHED();
+      break;
   }
 }
 
 void JingleClient::OnIncomingTunnel(
     cricket::TunnelSessionClient* client, buzz::Jid jid,
     std::string description, cricket::Session* session) {
   // Decline connection if we don't have callback.
   if (!callback_) {
     client->DeclineTunnel(session);
     return;
@@ skipping 22 matching lines @@
 }
 
 buzz::PreXmppAuth* JingleClient::CreatePreXmppAuth(
     const buzz::XmppClientSettings& settings) {
   buzz::Jid jid(settings.user(), settings.host(), buzz::STR_EMPTY);
   return new notifier::GaiaTokenPreXmppAuth(jid.Str(), settings.auth_cookie(),
                                             settings.token_service());
 }
 
 }  // namespace remoting