[Sync] Removing duplicated includes between cc and h files.

components/sync/device_info/device_info_sync_service.cc

 // Copyright 2014 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 "components/sync/device_info/device_info_sync_service.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <utility>
 
 #include "base/memory/ptr_util.h"
-#include "base/time/time.h"
-#include "components/sync/api/sync_change.h"
 #include "components/sync/base/time.h"
 #include "components/sync/device_info/device_info_util.h"
 #include "components/sync/device_info/local_device_info_provider.h"
 #include "components/sync/protocol/sync.pb.h"
 
 namespace sync_driver {
 
 using base::Time;
 using base::TimeDelta;
 using syncer::ModelType;
@@ skipping 302 matching lines @@
     return syncer::SyncDataRemote(device_info).GetModifiedTime();
   } else {
     // We shouldn't reach this point for remote data, so this means we're likely
     // looking at the local device info. Using a long ago time is perfect, since
     // the desired behavior is to update/pulse our data as soon as possible.
     return Time();
   }
 }
 
 }  // namespace sync_driver