FYI: Remove PerModelSafeGroupState + move ConflictResolution

sync/engine/all_status.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 "sync/engine/all_status.h"
 
 #include <algorithm>
 
 #include "base/logging.h"
 #include "base/port.h"
 #include "sync/engine/net/server_connection_manager.h"
 #include "sync/internal_api/public/base/model_type.h"
-#include "sync/sessions/session_state.h"
 
 namespace syncer {
 
 AllStatus::AllStatus() {
   status_.initial_sync_ended = true;
   status_.notifications_enabled = false;
   status_.cryptographer_ready = false;
   status_.crypto_has_pending_keys = false;
 }
 
@@ skipping 138 matching lines @@
 ScopedStatusLock::ScopedStatusLock(AllStatus* allstatus)
     : allstatus_(allstatus) {
   allstatus->mutex_.Acquire();
 }
 
 ScopedStatusLock::~ScopedStatusLock() {
   allstatus_->mutex_.Release();
 }
 
 }  // namespace syncer