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

sync/engine/process_updates_command_unittest.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 "base/basictypes.h"
 #include "base/memory/ref_counted.h"
 #include "sync/engine/process_updates_command.h"
 #include "sync/internal_api/public/base/model_type.h"
 #include "sync/sessions/session_state.h"
 #include "sync/sessions/sync_session.h"
 #include "sync/syncable/syncable_id.h"
 #include "sync/test/engine/fake_model_worker.h"
 #include "sync/test/engine/syncer_command_test.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace syncer {
 
 namespace {
 
 class ProcessUpdatesCommandTest : public SyncerCommandTest {
  protected:
   ProcessUpdatesCommandTest() {}
   virtual ~ProcessUpdatesCommandTest() {}
 
   virtual void SetUp() {
     workers()->push_back(
         make_scoped_refptr(new FakeModelWorker(GROUP_UI)));
     workers()->push_back(
         make_scoped_refptr(new FakeModelWorker(GROUP_DB)));
-    (*mutable_routing_info())[syncer::BOOKMARKS] = GROUP_UI;
-    (*mutable_routing_info())[syncer::AUTOFILL] = GROUP_DB;
+    (*mutable_routing_info())[BOOKMARKS] = GROUP_UI;
+    (*mutable_routing_info())[AUTOFILL] = GROUP_DB;
     SyncerCommandTest::SetUp();
   }
 
   ProcessUpdatesCommand command_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ProcessUpdatesCommandTest);
 };
 
 TEST_F(ProcessUpdatesCommandTest, GetGroupsToChange) {
   ExpectNoGroupsToChange(command_);
   // Add a verified update for GROUP_DB.
   session()->mutable_status_controller()->
       GetUnrestrictedMutableUpdateProgressForTest(GROUP_DB)->
       AddVerifyResult(VerifyResult(), sync_pb::SyncEntity());
   ExpectGroupToChange(command_, GROUP_DB);
 }
 
 }  // namespace
 
 }  // namespace syncer