[Sync] Inject startup dependencies into StartupController.

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 <stddef.h>
 #include <cstddef>
 #include <map>
 #include <utility>
@@ skipping 243 matching lines @@
 }
 
 bool ProfileSyncService::CanSyncStart() const {
   return IsSyncAllowed() && IsSyncRequested() && IsSignedIn();
 }
 
 void ProfileSyncService::Initialize() {
   sync_client_->Initialize();
 
   startup_controller_.reset(new browser_sync::StartupController(
-      oauth2_token_service_, &sync_prefs_, signin_.get(),
+      &sync_prefs_,
+      base::Bind(&ProfileSyncService::CanBackendStart, base::Unretained(this)),
       base::Bind(&ProfileSyncService::StartUpSlowBackendComponents,
                  startup_controller_weak_factory_.GetWeakPtr())));
   scoped_ptr<browser_sync::LocalSessionEventRouter> router(
       sync_client_->GetSyncSessionsClient()->GetLocalSessionEventRouter());
   local_device_ = sync_client_->GetSyncApiComponentFactory()
                       ->CreateLocalDeviceInfoProvider();
   sync_stopped_reporter_.reset(new browser_sync::SyncStoppedReporter(
       sync_service_url_, local_device_->GetSyncUserAgent(),
       url_request_context_,
       browser_sync::SyncStoppedReporter::ResultCallback()));
@@ skipping 1252 matching lines @@
 void ProfileSyncService::TriggerRefresh(const syncer::ModelTypeSet& types) {
   if (backend_initialized_)
     backend_->TriggerRefresh(types);
 }
 
 bool ProfileSyncService::IsSignedIn() const {
   // Sync is logged in if there is a non-empty effective account id.
   return !signin_->GetAccountIdToUse().empty();
 }
 
+bool ProfileSyncService::CanBackendStart() const {
+  return CanSyncStart() && oauth2_token_service_ &&
+         oauth2_token_service_->RefreshTokenIsAvailable(
+             signin_->GetAccountIdToUse());
+}
+
 bool ProfileSyncService::IsBackendInitialized() const {
   return backend_initialized_;
 }
 
 bool ProfileSyncService::ConfigurationDone() const {
   return data_type_manager_ &&
          data_type_manager_->state() == DataTypeManager::CONFIGURED;
 }
 
 bool ProfileSyncService::waiting_for_auth() const {
@@ skipping 936 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_;
 }