Added battery level and time to the status tray's accessible name.

ash/system/chromeos/power/tray_power.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 "ash/system/chromeos/power/tray_power.h"
 
 #include "ash/accessibility_delegate.h"
 #include "ash/ash_switches.h"
 #include "ash/shell.h"
 #include "ash/system/chromeos/power/power_status_view.h"
@@ skipping 51 matching lines @@
   virtual void GetAccessibleState(ui::AXViewState* state) OVERRIDE {
     state->name = accessible_name_;
     state->role = ui::AX_ROLE_BUTTON;
   }
 
   void UpdateStatus(bool battery_alert) {
     UpdateImage();
     SetVisible(PowerStatus::Get()->IsBatteryPresent());
 
     if (battery_alert) {
-      accessible_name_ = PowerStatus::Get()->GetAccessibleNameString();
+      accessible_name_ = PowerStatus::Get()->GetAccessibleNameString(true);
       NotifyAccessibilityEvent(ui::AX_EVENT_ALERT, true);
     }
   }
 
   void SetupNotifyBadCharger() {
     // Poll with a shorter duration timer to notify the charger issue
     // for the first time after the charger dialog is displayed.
     spring_charger_accessility_timer_.Start(
         FROM_HERE, base::TimeDelta::FromSeconds(
             kSpringChargerAccessibilityTimerFirstTimeNotifyInSeconds),
@@ skipping 306 matching lines @@
   }
 
   if (current_charger != UNKNOWN_CHARGER) {
     UMA_HISTOGRAM_ENUMERATION("Power.ChargerType",
                               current_charger,
                               CHARGER_TYPE_COUNT);
   }
 }
 
 }  // namespace ash