Add IsAuthenticated() method to SigninManager.

chrome/browser/sync/profile_sync_service.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 "chrome/browser/sync/profile_sync_service.h"
 
 #include <cstddef>
 #include <map>
 #include <vector>
 
@@ skipping 2523 matching lines @@
 
 SigninManagerBase* ProfileSyncService::signin() const {
   if (!signin_)
     return NULL;
   return signin_->GetOriginal();
 }
 
 void ProfileSyncService::UnsuppressAndStart() {
   DCHECK(profile_);
   sync_prefs_.SetStartSuppressed(false);
-  // Set username in SigninManager, as SigninManager::OnGetUserInfoSuccess
-  // is never called for some clients.
-  if (signin_.get() &&
-      signin_->GetOriginal()->GetAuthenticatedUsername().empty()) {
+  if (signin_.get() && !signin_->GetOriginal()->IsAuthenticated()) {
     signin_->GetOriginal()->SetAuthenticatedUsername(
         profile_->GetPrefs()->GetString(prefs::kGoogleServicesUsername));
   }
   startup_controller_.TryStart();
 }
 
 void ProfileSyncService::AcknowledgeSyncedTypes() {
   sync_prefs_.AcknowledgeSyncedTypes(GetRegisteredDataTypes());
 }
 
@@ skipping 225 matching lines @@
                  true));
 }
 
 bool ProfileSyncService::NeedBackup() const {
   return need_backup_;
 }
 
 base::Time ProfileSyncService::GetDeviceBackupTimeForTesting() const {
   return backend_->GetSyncedDeviceTracker()->GetLocalDeviceBackupTime();
 }