[Sync] Refactoring polling to be reliable.

sync/sessions/status_controller.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/status_controller.h"
 
 #include <vector>
 
 #include "base/basictypes.h"
 #include "sync/internal_api/public/base/model_type.h"
@@ skipping 18 matching lines @@
 
 void StatusController::increment_num_reflected_updates_downloaded_by(
     int value) {
   model_neutral_.num_reflected_updates_downloaded_total += value;
 }
 
 void StatusController::UpdateStartTime() {
   sync_start_time_ = base::Time::Now();
 }
 
+void StatusController::UpdatePollTime() {
+  poll_finish_time_ = base::Time::Now();
+}
+
 void StatusController::set_num_successful_bookmark_commits(int value) {
   model_neutral_.num_successful_bookmark_commits = value;
 }
 
 void StatusController::increment_num_successful_bookmark_commits() {
   model_neutral_.num_successful_bookmark_commits++;
 }
 
 void StatusController::increment_num_successful_commits() {
   model_neutral_.num_successful_commits++;
@@ skipping 63 matching lines @@
 int StatusController::TotalNumConflictingItems() const {
   int sum = 0;
   sum += num_encryption_conflicts();
   sum += num_hierarchy_conflicts();
   sum += num_server_conflicts();
   return sum;
 }
 
 }  // namespace sessions
 }  // namespace syncer