[Sync] Remove unneeded 'using syncer::' lines and 'syncer::' scopings

sync/sessions/status_controller.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "sync/sessions/status_controller.h"
 
 #include <vector>
 
 #include "base/basictypes.h"
 #include "sync/internal_api/public/base/model_type.h"
@@ skipping 76 matching lines @@
     PerModelSafeGroupState* state = new PerModelSafeGroupState();
     it = per_model_group_.insert(std::make_pair(group, state)).first;
   }
   return it->second;
 }
 
 void StatusController::increment_num_updates_downloaded_by(int value) {
   model_neutral_.num_updates_downloaded_total += value;
 }
 
-void StatusController::set_types_needing_local_migration(
-    syncer::ModelTypeSet types) {
+void StatusController::set_types_needing_local_migration(ModelTypeSet types) {
   model_neutral_.types_needing_local_migration = types;
 }
 
 void StatusController::increment_num_tombstone_updates_downloaded_by(
     int value) {
   model_neutral_.num_tombstone_updates_downloaded_total += value;
 }
 
 void StatusController::increment_num_reflected_updates_downloaded_by(
     int value) {
@@ skipping 152 matching lines @@
 void StatusController::set_debug_info_sent() {
   model_neutral_.debug_info_sent = true;
 }
 
 bool StatusController::debug_info_sent() const {
   return model_neutral_.debug_info_sent;
 }
 
 }  // namespace sessions
 }  // namespace syncer