[sync] skeleton implementation of AutocompleteSyncBridge

components/browser_sync/profile_sync_components_factory_impl.cc

Index: components/browser_sync/profile_sync_components_factory_impl.cc
diff --git a/components/browser_sync/profile_sync_components_factory_impl.cc b/components/browser_sync/profile_sync_components_factory_impl.cc
index c4332e02bdc969cd0fa5b05a11bd7e5b61822f33..a3c2b93c919585852847cae567821d8d0068602c 100644
--- a/components/browser_sync/profile_sync_components_factory_impl.cc
+++ b/components/browser_sync/profile_sync_components_factory_impl.cc
@@ -155,9 +155,17 @@ void ProfileSyncComponentsFactoryImpl::RegisterCommonDataTypes(
   // Autofill sync is enabled by default.  Register unless explicitly
   // disabled.
   if (!disabled_types.Has(syncer::AUTOFILL)) {
-    sync_service->RegisterDataTypeController(
-        base::MakeUnique<AutofillDataTypeController>(
-            db_thread_, error_callback, sync_client_, web_data_service_));
+    if (base::FeatureList::IsEnabled(switches::kSyncUSSAutocomplete)) {
+      sync_service->RegisterDataTypeController(
+          base::MakeUnique<ModelTypeController>(
+              syncer::AUTOFILL, base::Bind(&base::debug::DumpWithoutCrashing),
+              sync_client_, db_thread_));
+      // db_thread_, error_callback, sync_client_, web_data_service_));

[maxbogue, 2016/11/18 22:22:36]

Guessing you didn't mean to leave this line in.

[Patrick Noland, 2016/11/22 18:51:04]

Done.

+    } else {
+      sync_service->RegisterDataTypeController(
+          base::MakeUnique<AutofillDataTypeController>(
+              db_thread_, error_callback, sync_client_, web_data_service_));
+    }
   }
 
   // Autofill profile sync is enabled by default.  Register unless explicitly