[Sync] Remove PSS::IsOAuthRefreshTokenAvailable

components/browser_sync/browser/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 "components/browser_sync/browser/profile_sync_service.h"
 
 #include <cstddef>
 #include <map>
 #include <vector>
 
@@ skipping 233 matching lines @@
 ProfileSyncService::~ProfileSyncService() {
   sync_prefs_.RemoveSyncPrefObserver(this);
   // Shutdown() should have been called before destruction.
   CHECK(!backend_initialized_);
 }
 
 bool ProfileSyncService::CanSyncStart() const {
   return IsSyncAllowed() && IsSyncRequested() && IsSignedIn();
 }
 
-bool ProfileSyncService::IsOAuthRefreshTokenAvailable() {
-  if (!oauth2_token_service_)
-    return false;
-
-  return oauth2_token_service_->RefreshTokenIsAvailable(
-      signin_->GetAccountIdToUse());
-}
-
 void ProfileSyncService::Initialize() {
   sync_client_->Initialize(this);
 
   startup_controller_.reset(new browser_sync::StartupController(
       start_behavior_, oauth2_token_service_, &sync_prefs_, signin_.get(),
       base::Bind(&ProfileSyncService::StartUpSlowBackendComponents,
                  startup_controller_weak_factory_.GetWeakPtr(), SYNC)));
   backup_rollback_controller_.reset(new sync_driver::BackupRollbackController(
       &sync_prefs_, signin_.get(),
       base::Bind(&ProfileSyncService::StartUpSlowBackendComponents,
@@ skipping 2452 matching lines @@
 }
 
 std::string ProfileSyncService::unrecoverable_error_message() const {
   return unrecoverable_error_message_;
 }
 
 tracked_objects::Location ProfileSyncService::unrecoverable_error_location()
     const {
   return unrecoverable_error_location_;
 }