Send screen on and off state as a11y alert

chrome/browser/ui/ash/chrome_shell_delegate.cc

Index: chrome/browser/ui/ash/chrome_shell_delegate.cc
diff --git a/chrome/browser/ui/ash/chrome_shell_delegate.cc b/chrome/browser/ui/ash/chrome_shell_delegate.cc
index 9912fc992bf065200f431887240a7b334aaba0cf..9d462407fa66620ab9042a61bd7f99f92aebda23 100644
--- a/chrome/browser/ui/ash/chrome_shell_delegate.cc
+++ b/chrome/browser/ui/ash/chrome_shell_delegate.cc
@@ -290,6 +290,12 @@ class AccessibilityDelegateImpl : public ash::AccessibilityDelegate {
         case ash::A11Y_ALERT_CAPS_OFF:
           msg = IDS_A11Y_ALERT_CAPS_OFF;
           break;
+        case ash::A11Y_ALERT_SCREEN_ON:
+          msg = IDS_A11Y_ALERT_SCREEN_ON;
+          break;
+        case ash::A11Y_ALERT_SCREEN_OFF:
+          msg = IDS_A11Y_ALERT_SCREEN_OFF;
+          break;
         case ash::A11Y_ALERT_WINDOW_NEEDED:
           msg = IDS_A11Y_ALERT_WINDOW_NEEDED;
           break;