[Sync] Add ProfileSyncService::GetModelTypeStoreFactory.

components/sync/device_info/device_info_sync_bridge.cc

Index: components/sync/device_info/device_info_sync_bridge.cc
diff --git a/components/sync/device_info/device_info_sync_bridge.cc b/components/sync/device_info/device_info_sync_bridge.cc
index 0ba09e3108ea426c8842b0d41b49a7295c94deb6..9490815f50b167c2cc0432a89128b1e03122e6a6 100644
--- a/components/sync/device_info/device_info_sync_bridge.cc
+++ b/components/sync/device_info/device_info_sync_bridge.cc
@@ -86,7 +86,7 @@ std::unique_ptr<DeviceInfoSpecifics> ModelToSpecifics(
 
 DeviceInfoSyncBridge::DeviceInfoSyncBridge(
     LocalDeviceInfoProvider* local_device_info_provider,
-    const StoreFactoryFunction& callback,
+    const ModelTypeStoreFactory& store_factory,
     const ChangeProcessorFactory& change_processor_factory)
     : ModelTypeSyncBridge(change_processor_factory, DEVICE_INFO),
       local_device_info_provider_(local_device_info_provider) {
@@ -102,7 +102,7 @@ DeviceInfoSyncBridge::DeviceInfoSyncBridge(
                    base::Unretained(this)));
   }
 
-  callback.Run(
+  store_factory.Run(
       base::Bind(&DeviceInfoSyncBridge::OnStoreCreated, base::AsWeakPtr(this)));
 }