sync: remove GetAuthenticatedUsername from ProfileSyncService/SyncBackendHost.

chrome/browser/chromeos/login/login_utils.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 "chrome/browser/chromeos/login/login_utils.h"
 
 #include <vector>
 
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
@@ skipping 861 matching lines @@
 void LoginUtilsImpl::StartSync(
     Profile* user_profile,
     const GaiaAuthConsumer::ClientLoginResult& credentials) {
   TokenService* token_service = user_profile->GetTokenService();
   static bool initialized = false;
   if (!initialized) {
     initialized = true;
 
     // Set the CrOS user by getting this constructor run with the
     // user's email on first retrieval.
+    // TODO(tim): Tidy this up once cros_user is gone (part of bug 93922).
+    user_profile->GetPrefs()->SetString(prefs::kGoogleServicesUsername,
+                                        username_);
     user_profile->GetProfileSyncService(username_)->SetPassphrase(
         password_, false);
     username_ = "";
     password_ = "";
 
     token_service->Initialize(GaiaConstants::kChromeOSSource, user_profile);
     token_service->LoadTokensFromDB();
   }
   token_service->UpdateCredentials(credentials);
   if (token_service->AreCredentialsValid())
@@ skipping 435 matching lines @@
   // Mark login host for deletion after browser starts.  This
   // guarantees that the message loop will be referenced by the
   // browser before it is dereferenced by the login host.
   if (login_host) {
     login_host->OnSessionStart();
     login_host = NULL;
   }
 }
 
 }  // namespace chromeos