Pass args to SyncManager::Init via a struct.

sync/internal_api/sync_backup_manager_unittest.cc

Index: sync/internal_api/sync_backup_manager_unittest.cc
diff --git a/sync/internal_api/sync_backup_manager_unittest.cc b/sync/internal_api/sync_backup_manager_unittest.cc
index 31b8d872523f48c5257fae04d5cd46608870ae75..e771ea32d847a5d5dffb5a3da31c74c55b7e0aff 100644
--- a/sync/internal_api/sync_backup_manager_unittest.cc
+++ b/sync/internal_api/sync_backup_manager_unittest.cc
@@ -55,27 +55,18 @@ class SyncBackupManagerTest : public syncer::SyncManager::Observer,
         .WillOnce(WithArgs<2>(Invoke(this,
                                      &SyncBackupManagerTest::HandleInit)));
 
-    TestInternalComponentsFactory factory(InternalComponentsFactory::Switches(),
-                                          storage_option);
     manager->AddObserver(this);
 
     base::RunLoop run_loop;
-    manager->Init(temp_dir_.path(),
-                  MakeWeakHandle(base::WeakPtr<JsEventHandler>()),
-                  GURL("https://example.com/"),
-                  scoped_ptr<HttpPostProviderFactory>().Pass(),
-                  std::vector<scoped_refptr<ModelSafeWorker> >(),
-                  NULL,
-                  NULL,
-                  SyncCredentials(),
-                  "",
-                  "",
-                  "",
-                  &factory,
-                  NULL,
-                  scoped_ptr<UnrecoverableErrorHandler>().Pass(),
-                  NULL,
-                  NULL);
+
+    SyncManager::InitArgs args;
+    args.database_location = temp_dir_.path();
+    args.event_handler = MakeWeakHandle(base::WeakPtr<JsEventHandler>());
+    args.service_url = GURL("https://example.com/");
+    args.post_factory = scoped_ptr<HttpPostProviderFactory>().Pass();
+    args.internal_components_factory.reset(new TestInternalComponentsFactory(
+        InternalComponentsFactory::Switches(), storage_option));
+    manager->Init(&args);
     loop_.PostTask(FROM_HERE, run_loop.QuitClosure());
     run_loop.Run();
   }