[Sync] Add ProfileSyncService::GetModelTypeStoreFactory.

components/sync/device_info/device_info_sync_bridge.h

Index: components/sync/device_info/device_info_sync_bridge.h
diff --git a/components/sync/device_info/device_info_sync_bridge.h b/components/sync/device_info/device_info_sync_bridge.h
index 2634df01af11e1b372d223657879e369c47165db..1ddbb2b7b4f7f9af384fc10ec33458c3b178cecb 100644
--- a/components/sync/device_info/device_info_sync_bridge.h
+++ b/components/sync/device_info/device_info_sync_bridge.h
@@ -34,11 +34,8 @@ namespace syncer {
 class DeviceInfoSyncBridge : public ModelTypeSyncBridge,
                              public DeviceInfoTracker {
  public:
-  typedef base::Callback<void(const ModelTypeStore::InitCallback& callback)>
-      StoreFactoryFunction;
-
   DeviceInfoSyncBridge(LocalDeviceInfoProvider* local_device_info_provider,
-                       const StoreFactoryFunction& callback,
+                       const ModelTypeStoreFactory& store_factory,
                        const ChangeProcessorFactory& change_processor_factory);
   ~DeviceInfoSyncBridge() override;