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

components/sync/engine_impl/update_applicator.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/update_applicator.h"
 
-#include <stdint.h>
-
-#include <vector>
-
 #include "base/logging.h"
 #include "components/sync/engine_impl/syncer_util.h"
 #include "components/sync/syncable/entry.h"
 #include "components/sync/syncable/mutable_entry.h"
-#include "components/sync/syncable/syncable_id.h"
 #include "components/sync/syncable/syncable_write_transaction.h"
 
 using std::vector;
 
 namespace syncer {
 
 using syncable::ID;
 
 UpdateApplicator::UpdateApplicator(Cryptographer* cryptographer)
     : cryptographer_(cryptographer),
@@ skipping 62 matching lines @@
 
     // We made some progress, so prepare for what might be another iteration.
     // If everything went well, to_reapply will be empty and we'll break out on
     // the while condition.
     to_apply.swap(to_reapply);
     to_reapply.clear();
   }
 }
 
 }  // namespace syncer