Refactor following sync commit loop change

sync/sessions/session_state.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/sessions/session_state.h"
 
 #include <map>
 #include <set>
 #include <string>
 #include <utility>
@@ skipping 59 matching lines @@
                 num_tombstone_updates_downloaded_total);
   value->SetInteger("numReflectedUpdatesDownloadedTotal",
                 num_reflected_updates_downloaded_total);
   value->SetInteger("numLocalOverwrites", num_local_overwrites);
   value->SetInteger("numServerOverwrites", num_server_overwrites);
   return value;
 }
 
 ErrorCounters::ErrorCounters()
     : last_download_updates_result(UNSET),
-      last_post_commit_result(UNSET),
-      last_process_commit_response_result(UNSET) {
+      commit_result(UNSET) {
 }
 
 SyncSessionSnapshot::SyncSessionSnapshot()
     : num_server_changes_remaining_(0),
       is_share_usable_(false),
       has_more_to_sync_(false),
       is_silenced_(false),
       num_encryption_conflicts_(0),
       num_hierarchy_conflicts_(0),
       num_simple_conflicts_(0),
@@ skipping 281 matching lines @@
 
 PerModelSafeGroupState::PerModelSafeGroupState(bool* dirty_flag)
     : conflict_progress(dirty_flag) {
 }
 
 PerModelSafeGroupState::~PerModelSafeGroupState() {
 }
 
 }  // namespace sessions
 }  // namespace browser_sync