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

sync/engine/download_updates_command.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/engine/download_updates_command.h"
 
 #include <string>
 
 #include "base/command_line.h"
 #include "sync/engine/syncer.h"
@@ skipping 28 matching lines @@
 
   syncable::Directory* dir = session->context()->directory();
 
   // Request updates for all enabled types.
   const ModelTypeSet enabled_types =
       GetRoutingInfoTypes(session->routing_info());
   DVLOG(1) << "Getting updates for types "
            << ModelTypeSetToString(enabled_types);
   DCHECK(!enabled_types.Empty());
 
-  const syncer::ModelTypePayloadMap& type_payload_map =
-      session->source().types;
+  const ModelTypePayloadMap& type_payload_map = session->source().types;
   for (ModelTypeSet::Iterator it = enabled_types.First();
        it.Good(); it.Inc()) {
     sync_pb::DataTypeProgressMarker* progress_marker =
         get_updates->add_from_progress_marker();
     dir->GetDownloadProgress(it.Get(), progress_marker);
 
     // Set notification hint if present.
-    syncer::ModelTypePayloadMap::const_iterator type_payload =
+    ModelTypePayloadMap::const_iterator type_payload =
         type_payload_map.find(it.Get());
     if (type_payload != type_payload_map.end()) {
       progress_marker->set_notification_hint(type_payload->second);
     }
   }
 
   // We want folders for our associated types, always.  If we were to set
   // this to false, the server would send just the non-container items
   // (e.g. Bookmark URLs but not their containing folders).
   get_updates->set_fetch_folders(true);
@@ skipping 47 matching lines @@
     // could be null in some unit tests.
     if (session->context()->debug_info_getter()) {
       session->context()->debug_info_getter()->GetAndClearDebugInfo(
           debug_info);
     }
     session->mutable_status_controller()->set_debug_info_sent();
   }
 }
 
 }  // namespace syncer