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

sync/engine/model_changing_syncer_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/compiler_specific.h"
 #include "base/memory/ref_counted.h"
 #include "sync/engine/model_changing_syncer_command.h"
 #include "sync/internal_api/public/base/model_type.h"
 #include "sync/sessions/sync_session.h"
@@ skipping 35 matching lines @@
 class ModelChangingSyncerCommandTest : public SyncerCommandTest {
  protected:
   ModelChangingSyncerCommandTest() {}
   virtual ~ModelChangingSyncerCommandTest() {}
 
   virtual void SetUp() {
     workers()->push_back(
         make_scoped_refptr(new FakeModelWorker(GROUP_UI)));
     workers()->push_back(
         make_scoped_refptr(new FakeModelWorker(GROUP_PASSWORD)));
-    (*mutable_routing_info())[syncer::BOOKMARKS] = GROUP_UI;
-    (*mutable_routing_info())[syncer::PASSWORDS] = GROUP_PASSWORD;
+    (*mutable_routing_info())[BOOKMARKS] = GROUP_UI;
+    (*mutable_routing_info())[PASSWORDS] = GROUP_PASSWORD;
     SyncerCommandTest::SetUp();
   }
 
   FakeModelChangingSyncerCommand command_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ModelChangingSyncerCommandTest);
 };
 
 TEST_F(ModelChangingSyncerCommandTest, Basic) {
   ExpectGroupsToChange(command_, GROUP_UI, GROUP_PASSWORD, GROUP_PASSIVE);
   EXPECT_TRUE(command_.changed_groups().empty());
   command_.ExecuteImpl(session());
   EXPECT_EQ(command_.GetGroupsToChangeForTest(*session()),
             command_.changed_groups());
 }
 
 }  // namespace
 
 }  // namespace syncer