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

components/sync/engine_impl/syncer_util.cc

 // Copyright 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 "components/sync/engine_impl/syncer_util.h"
 
-#include <stdint.h>
-
 #include <algorithm>
-#include <set>
-#include <string>
-#include <vector>
 
 #include "base/base64.h"
 #include "base/location.h"
 #include "base/metrics/histogram.h"
 #include "base/rand_util.h"
 #include "base/strings/string_number_conversions.h"
 #include "components/sync/base/attachment_id_proto.h"
 #include "components/sync/base/cryptographer.h"
 #include "components/sync/base/model_type.h"
 #include "components/sync/base/time.h"
 #include "components/sync/base/unique_position.h"
 #include "components/sync/engine_impl/conflict_resolver.h"
 #include "components/sync/engine_impl/syncer_proto_util.h"
-#include "components/sync/engine_impl/syncer_types.h"
 #include "components/sync/protocol/bookmark_specifics.pb.h"
 #include "components/sync/protocol/password_specifics.pb.h"
 #include "components/sync/protocol/sync.pb.h"
 #include "components/sync/syncable/directory.h"
 #include "components/sync/syncable/entry.h"
 #include "components/sync/syncable/model_neutral_mutable_entry.h"
-#include "components/sync/syncable/mutable_entry.h"
 #include "components/sync/syncable/syncable_changes_version.h"
 #include "components/sync/syncable/syncable_model_neutral_write_transaction.h"
 #include "components/sync/syncable/syncable_proto_util.h"
 #include "components/sync/syncable/syncable_read_transaction.h"
 #include "components/sync/syncable/syncable_util.h"
 #include "components/sync/syncable/syncable_write_transaction.h"
 
 namespace syncer {
 
 using syncable::CHANGES_VERSION;
@@ skipping 604 matching lines @@
   if (update.version() < target->GetServerVersion()) {
     LOG(WARNING) << "Update older than current server version for " << *target
                  << " Update:"
                  << SyncerProtoUtil::SyncEntityDebugString(update);
     return VERIFY_SUCCESS;  // Expected in new sync protocol.
   }
   return VERIFY_UNDECIDED;
 }
 
 }  // namespace syncer