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

components/sync/driver/ui_model_type_controller.h

Index: components/sync/driver/ui_model_type_controller.h
diff --git a/components/sync/driver/ui_model_type_controller.h b/components/sync/driver/ui_model_type_controller.h
index 5dae109ef4fb3ee58b1d4f1074f04d890d18e400..78798312d94b4e8b726c2643c319ac8d171754bb 100644
--- a/components/sync/driver/ui_model_type_controller.h
+++ b/components/sync/driver/ui_model_type_controller.h
@@ -7,20 +7,18 @@
 
 #include "components/sync/driver/non_blocking_data_type_controller.h"
 
-namespace sync_driver {
-class SyncClient;
-}
+namespace syncer {
 
-namespace sync_driver_v2 {
+class SyncClient;
 
 // Implementation for Unified Sync and Storage datatypes that reside on the UI
 // thread.
 class UIModelTypeController : public NonBlockingDataTypeController {
  public:
   // |dump_stack| is called when an unrecoverable error occurs.
-  UIModelTypeController(syncer::ModelType type,
+  UIModelTypeController(ModelType type,
                         const base::Closure& dump_stack,
-                        sync_driver::SyncClient* sync_client);
+                        SyncClient* sync_client);
   ~UIModelTypeController() override;
 
  private:
@@ -32,6 +30,6 @@ class UIModelTypeController : public NonBlockingDataTypeController {
   DISALLOW_COPY_AND_ASSIGN(UIModelTypeController);
 };
 
-}  // namespace sync_driver_v2
+}  // namespace syncer
 
 #endif  // COMPONENTS_SYNC_DRIVER_UI_MODEL_TYPE_CONTROLLER_H_