Fix the settings button and UMA metrics for the message center

chrome/browser/notifications/message_center_stats_collector.cc

 // Copyright 2013 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 "chrome/browser/notifications/message_center_stats_collector.h"
 
 #include <stddef.h>
 
 #include <string>
 
@@ skipping 91 matching lines @@
     const std::string& notification_id,
                                            int button_index) {
   StatsCollection::iterator iter = stats_.find(notification_id);
   if (iter == stats_.end())
     return;
   NotificationStats& notification_stat = iter->second;
 
   notification_stat.CollectAction(NOTIFICATION_ACTION_BUTTON_CLICK);
 }
 
-void MessageCenterStatsCollector::OnNotificationSettingsClicked() {
+void MessageCenterStatsCollector::OnNotificationSettingsClicked(bool handled) {
   content::RecordAction(
       base::UserMetricsAction("Notifications.ShowSiteSettings"));
 }
 
 void MessageCenterStatsCollector::OnNotificationDisplayed(
     const std::string& notification_id,
     const message_center::DisplaySource source) {
   StatsCollection::iterator iter = stats_.find(notification_id);
   if (iter == stats_.end())
     return;
@@ skipping 20 matching lines @@
 
 void MessageCenterStatsCollector::OnQuietModeChanged(bool in_quiet_mode) {
   if (in_quiet_mode) {
     content::RecordAction(
         base::UserMetricsAction("Notifications.Mute"));
   } else {
     content::RecordAction(
         base::UserMetricsAction("Notifications.Unmute"));
   }
 }