sync: Track validity of about:sync fields

sync/internal_api/public/sessions/sync_session_snapshot.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/internal_api/public/sessions/sync_session_snapshot.h"
 
 #include "base/json/json_writer.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/values.h"
 
 namespace syncer {
 namespace sessions {
 
 SyncSessionSnapshot::SyncSessionSnapshot()
     : is_share_usable_(false),
       has_more_to_sync_(false),
       is_silenced_(false),
       num_encryption_conflicts_(0),
       num_hierarchy_conflicts_(0),
       num_simple_conflicts_(0),
       num_server_conflicts_(0),
       notifications_enabled_(false),
       num_entries_(0),
-      retry_scheduled_(false) {
+      retry_scheduled_(false),
+      is_initialized_(false) {
 }
 
 SyncSessionSnapshot::SyncSessionSnapshot(
     const ModelNeutralState& model_neutral_state,
     bool is_share_usable,
     syncer::ModelTypeSet initial_sync_ended,
     const syncer::ModelTypePayloadMap& download_progress_markers,
     bool more_to_sync,
     bool is_silenced,
     int num_encryption_conflicts,
@@ skipping 12 matching lines @@
       has_more_to_sync_(more_to_sync),
       is_silenced_(is_silenced),
       num_encryption_conflicts_(num_encryption_conflicts),
       num_hierarchy_conflicts_(num_hierarchy_conflicts),
       num_simple_conflicts_(num_simple_conflicts),
       num_server_conflicts_(num_server_conflicts),
       source_(source),
       notifications_enabled_(notifications_enabled),
       num_entries_(num_entries),
       sync_start_time_(sync_start_time),
-      retry_scheduled_(retry_scheduled) {
+      retry_scheduled_(retry_scheduled),
+      is_initialized_(true) {
 }
 
 SyncSessionSnapshot::~SyncSessionSnapshot() {}
 
 DictionaryValue* SyncSessionSnapshot::ToValue() const {
   DictionaryValue* value = new DictionaryValue();
   value->SetInteger("numSuccessfulCommits",
                     model_neutral_state_.num_successful_commits);
   value->SetInteger("numSuccessfulBookmarkCommits",
                 model_neutral_state_.num_successful_bookmark_commits);
@@ skipping 95 matching lines @@
 }
 
 base::Time SyncSessionSnapshot::sync_start_time() const {
   return sync_start_time_;
 }
 
 bool SyncSessionSnapshot::retry_scheduled() const {
   return retry_scheduled_;
 }
 
+bool SyncSessionSnapshot::is_initialized() const {
+  return is_initialized_;
+}
+
 }  // namespace sessions
 }  // namespace syncer