Cleanup: Remove unneeded forward declarations in chrome/browser/sync.

chrome/browser/sync/engine/verify_updates_command.cc

 // Copyright (c) 2011 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 "chrome/browser/sync/engine/verify_updates_command.h"
 
+#include <string>
+
 #include "base/location.h"
 #include "chrome/browser/sync/engine/syncer.h"
 #include "chrome/browser/sync/engine/syncer_proto_util.h"
 #include "chrome/browser/sync/engine/syncer_types.h"
 #include "chrome/browser/sync/engine/syncer_util.h"
 #include "chrome/browser/sync/engine/syncproto.h"
 #include "chrome/browser/sync/protocol/bookmark_specifics.pb.h"
 #include "chrome/browser/sync/syncable/directory_manager.h"
 #include "chrome/browser/sync/syncable/syncable.h"
 
 namespace browser_sync {
 
 using syncable::ScopedDirLookup;
-using syncable::SyncName;
 using syncable::WriteTransaction;
 
 using syncable::GET_BY_ID;
 using syncable::SYNCER;
 
 VerifyUpdatesCommand::VerifyUpdatesCommand() {}
 VerifyUpdatesCommand::~VerifyUpdatesCommand() {}
 
 void VerifyUpdatesCommand::ModelChangingExecuteImpl(
     sessions::SyncSession* session) {
@@ skipping 88 matching lines @@
         deleted, is_directory, model_type);
   }
 
   if (VERIFY_UNDECIDED == result.value)
     result.value = VERIFY_SUCCESS;  // No news is good news.
 
   return result;  // This might be VERIFY_SUCCESS as well
 }
 
 }  // namespace browser_sync