[Sync] Refactoring polling to be reliable.

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"
 #include "sync/protocol/proto_enum_conversions.h"
@@ skipping 16 matching lines @@
 SyncSessionSnapshot::SyncSessionSnapshot(
     const ModelNeutralState& model_neutral_state,
     const ProgressMarkerMap& download_progress_markers,
     bool is_silenced,
     int num_encryption_conflicts,
     int num_hierarchy_conflicts,
     int num_server_conflicts,
     bool notifications_enabled,
     size_t num_entries,
     base::Time sync_start_time,
+    base::Time poll_finish_time,
     const std::vector<int>& num_entries_by_type,
     const std::vector<int>& num_to_delete_entries_by_type,
     sync_pb::GetUpdatesCallerInfo::GetUpdatesSource legacy_updates_source)
     : model_neutral_state_(model_neutral_state),
       download_progress_markers_(download_progress_markers),
       is_silenced_(is_silenced),
       num_encryption_conflicts_(num_encryption_conflicts),
       num_hierarchy_conflicts_(num_hierarchy_conflicts),
       num_server_conflicts_(num_server_conflicts),
       notifications_enabled_(notifications_enabled),
       num_entries_(num_entries),
       sync_start_time_(sync_start_time),
+      poll_finish_time_(poll_finish_time),
       num_entries_by_type_(num_entries_by_type),
       num_to_delete_entries_by_type_(num_to_delete_entries_by_type),
       legacy_updates_source_(legacy_updates_source),
       is_initialized_(true) {
 }
 
 SyncSessionSnapshot::~SyncSessionSnapshot() {}
 
 base::DictionaryValue* SyncSessionSnapshot::ToValue() const {
   scoped_ptr<base::DictionaryValue> value(new base::DictionaryValue());
@@ skipping 76 matching lines @@
 }
 
 size_t SyncSessionSnapshot::num_entries() const {
   return num_entries_;
 }
 
 base::Time SyncSessionSnapshot::sync_start_time() const {
   return sync_start_time_;
 }
 
+base::Time SyncSessionSnapshot::poll_finish_time() const {
+  return poll_finish_time_;
+}
+
 bool SyncSessionSnapshot::is_initialized() const {
   return is_initialized_;
 }
 
 const std::vector<int>& SyncSessionSnapshot::num_entries_by_type() const {
   return num_entries_by_type_;
 }
 
 const std::vector<int>&
 SyncSessionSnapshot::num_to_delete_entries_by_type() const {
   return num_to_delete_entries_by_type_;
 }
 
 sync_pb::GetUpdatesCallerInfo::GetUpdatesSource
 SyncSessionSnapshot::legacy_updates_source() const {
   return legacy_updates_source_;
 }
 
 }  // namespace sessions
 }  // namespace syncer