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

components/sync/engine_impl/cycle/status_controller.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 "components/sync/engine_impl/cycle/status_controller.h"
 
-#include <vector>
-
 #include "components/sync/base/model_type.h"
 #include "components/sync/protocol/sync_protocol_error.h"
 
 namespace syncer {
 
 StatusController::StatusController() {}
 
 StatusController::~StatusController() {}
 
 const ModelTypeSet StatusController::get_updates_request_types() const {
@@ skipping 113 matching lines @@
 
 int StatusController::TotalNumConflictingItems() const {
   int sum = 0;
   sum += num_encryption_conflicts();
   sum += num_hierarchy_conflicts();
   sum += num_server_conflicts();
   return sum;
 }
 
 }  // namespace syncer