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

sync/sessions/status_controller_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 "sync/sessions/sync_session.h"
 #include "sync/test/engine/test_id_factory.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace syncer {
 namespace sessions {
 
 class StatusControllerTest : public testing::Test {
  public:
   virtual void SetUp() {
-    routes_[syncer::BOOKMARKS] = GROUP_UI;
+    routes_[BOOKMARKS] = GROUP_UI;
   }
  protected:
   ModelSafeRoutingInfo routes_;
 };
 
 // This test is useful, as simple as it sounds, due to the copy-paste prone
 // nature of status_controller.cc (we have had bugs in the past where a set_foo
 // method was actually setting |bar_| instead!).
 TEST_F(StatusControllerTest, ReadYourWrites) {
   StatusController status(routes_);
@@ skipping 96 matching lines @@
       status.GetUnrestrictedUpdateProgress(GROUP_UI);
   EXPECT_FALSE(progress);
   status.model_neutral_state();
   status.download_updates_succeeded();
   status.ServerSaysNothingMoreToDownload();
   status.group_restriction();
 }
 
 }  // namespace sessions
 }  // namespace syncer