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

ash/system/chromeos/power/tray_power.cc

Index: ash/system/chromeos/power/tray_power.cc
diff --git a/ash/system/chromeos/power/tray_power.cc b/ash/system/chromeos/power/tray_power.cc
index 5442266207180d7c327e7eca1ab552f5cc891ec1..e4f094f40f2c1ca3640a9fe75b94fd02106b0265 100644
--- a/ash/system/chromeos/power/tray_power.cc
+++ b/ash/system/chromeos/power/tray_power.cc
@@ -69,7 +69,7 @@ class PowerTrayView : public views::ImageView {
     SetVisible(PowerStatus::Get()->IsBatteryPresent());
 
     if (battery_alert) {
-      accessible_name_ = PowerStatus::Get()->GetAccessibleNameString();
+      accessible_name_ = PowerStatus::Get()->GetAccessibleNameString(true);
       NotifyAccessibilityEvent(ui::AX_EVENT_ALERT, true);
     }
   }