Add accessibility related notification to notification center

ash/metrics/user_metrics_recorder.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 "ash/metrics/user_metrics_recorder.h"
 
 #include "ash/metrics/desktop_task_switch_metric_recorder.h"
 #include "ash/metrics/pointer_metrics_recorder.h"
 #include "ash/public/cpp/shelf_item.h"
 #include "ash/public/cpp/shell_window_ids.h"
@@ skipping 316 matching lines @@
       break;
     case UMA_STATUS_AREA_CONNECT_TO_VPN:
       RecordAction(UserMetricsAction("StatusArea_VPN_ConnectToNetwork"));
       break;
     case UMA_STATUS_AREA_CHANGED_VOLUME_MENU:
       RecordAction(UserMetricsAction("StatusArea_Volume_ChangedMenu"));
       break;
     case UMA_STATUS_AREA_CHANGED_VOLUME_POPUP:
       RecordAction(UserMetricsAction("StatusArea_Volume_ChangedPopup"));
       break;
-    case UMA_STATUS_AREA_DETAILED_ACCESSABILITY:
+    case UMA_STATUS_AREA_DETAILED_ACCESSIBILITY:
       RecordAction(UserMetricsAction("StatusArea_Accessability_DetailedView"));
       break;
     case UMA_STATUS_AREA_DETAILED_AUDIO_VIEW:
       RecordAction(UserMetricsAction("StatusArea_Audio_Detailed"));
       break;
     case UMA_STATUS_AREA_DETAILED_BLUETOOTH_VIEW:
       RecordAction(UserMetricsAction("StatusArea_Bluetooth_Detailed"));
       break;
     case UMA_STATUS_AREA_DETAILED_BRIGHTNESS_VIEW:
       RecordAction(UserMetricsAction("StatusArea_Brightness_Detailed"));
@@ skipping 309 matching lines @@
   return IsUserActive() && !IsKioskModeActive() && !IsArcKioskModeActive();
 }
 
 void UserMetricsRecorder::StartTimer() {
   timer_.Start(FROM_HERE,
                base::TimeDelta::FromSeconds(kAshPeriodicMetricsTimeInSeconds),
                this, &UserMetricsRecorder::RecordPeriodicMetrics);
 }
 
 }  // namespace ash