[Sync] Fix namespace for sync_driver component

components/sync_driver/proxy_data_type_controller.cc

 // Copyright 2014 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 "components/sync_driver/proxy_data_type_controller.h"
 
-namespace browser_sync {
+namespace sync_driver {
 
 ProxyDataTypeController::ProxyDataTypeController(
     scoped_refptr<base::MessageLoopProxy> ui_thread,
     syncer::ModelType type)
     : DataTypeController(ui_thread, base::Closure(), DisableTypeCallback()),
       state_(NOT_RUNNING),
       type_(type) {
   DCHECK(syncer::ProxyTypes().Has(type_));
 }
 
@@ skipping 45 matching lines @@
 
 void ProxyDataTypeController::OnSingleDatatypeUnrecoverableError(
     const tracked_objects::Location& from_here, const std::string& message) {
   NOTIMPLEMENTED();
 }
 
 void ProxyDataTypeController::OnModelLoaded() {
   NOTIMPLEMENTED();
 }
 
-}  // namespace browser_sync
+}  // namespace sync_driver