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

components/sync/engine_impl/cycle/sync_cycle.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/sync_cycle.h"
 
 #include <algorithm>
 #include <iterator>
 
 #include "base/logging.h"
-#include "components/sync/base/model_type.h"
-#include "components/sync/engine/model_safe_worker.h"
 #include "components/sync/syncable/directory.h"
 
 namespace syncer {
 
 // static
 SyncCycle* SyncCycle::Build(SyncCycleContext* context, Delegate* delegate) {
   return new SyncCycle(context, delegate);
 }
 
 SyncCycle::SyncCycle(SyncCycleContext* context, Delegate* delegate)
@@ skipping 56 matching lines @@
   FOR_EACH_OBSERVER(SyncEngineEventListener, *(context_->listeners()),
                     OnSyncCycleEvent(event));
 }
 
 void SyncCycle::SendProtocolEvent(const ProtocolEvent& event) {
   FOR_EACH_OBSERVER(SyncEngineEventListener, *(context_->listeners()),
                     OnProtocolEvent(event));
 }
 
 }  // namespace syncer