[Sync] Move //components/sync to the syncer namespace, take 2.

components/sync/driver/ui_model_type_controller.cc

Index: components/sync/driver/ui_model_type_controller.cc
diff --git a/components/sync/driver/ui_model_type_controller.cc b/components/sync/driver/ui_model_type_controller.cc
index d817061317aea3060bdb1c493285c5dff45c1b48..fcae6fcbaa3e03910dea789ee6ac80608064ed77 100644
--- a/components/sync/driver/ui_model_type_controller.cc
+++ b/components/sync/driver/ui_model_type_controller.cc
@@ -9,11 +9,9 @@
 #include "components/sync/core/activation_context.h"
 #include "components/sync/driver/sync_client.h"
 
-namespace sync_driver_v2 {
+namespace syncer {
 
-using sync_driver::SyncClient;
-
-UIModelTypeController::UIModelTypeController(syncer::ModelType type,
+UIModelTypeController::UIModelTypeController(ModelType type,
                                              const base::Closure& dump_stack,
                                              SyncClient* sync_client)
     : NonBlockingDataTypeController(type, dump_stack, sync_client) {}
@@ -28,4 +26,4 @@ bool UIModelTypeController::RunOnModelThread(
   return true;
 }
 
-}  // namespace sync_driver_v2
+}  // namespace syncer