Large Cursor: Add the toggle menuitem to a11y menu in uber tray

ash/ash_strings.grd

 <?xml version="1.0" encoding="UTF-8"?>
 
 <!--
 This file contains the strings for ash.
 -->
 
 <grit base_dir="." latest_public_release="0" current_release="1"
       source_lang_id="en" enc_check="möl">
   <outputs>
     <output filename="grit/ash_strings.h" type="rc_header">
@@ skipping 379 matching lines @@
       <message name="IDS_ASH_STATUS_TRAY_ACCESSIBILITY_SPOKEN_FEEDBACK" desc="The label used in the accessibility menu of the
     system tray to toggle on/off spoken feedback feature.">
         Spoken feedback
       </message>
       <message name="IDS_ASH_STATUS_TRAY_ACCESSIBILITY_HIGH_CONTRAST_MODE" desc="The label used in the accessibility menu of the system tray to toggle on/off high contrast feature.">
         High contrast
       </message>
       <message name="IDS_ASH_STATUS_TRAY_ACCESSIBILITY_SCREEN_MAGNIFIER" desc="The label used in the accessibility menu of the system tray to toggle on/off magnifier feature.">
         Screen magnifier
       </message>
+      <message name="IDS_ASH_STATUS_TRAY_ACCESSIBILITY_LARGE_CURSOR" desc="The label used in the accessibility menu of the system tray to toggle on/off large cursor feature.">
+        Large Cursor
+      </message>
       <message name="IDS_ASH_STATUS_TRAY_ACCESSIBILITY_LEARN_MORE" desc="The label used in the accessibility menu of the system tray
      to open a webpage (article on help center) containing explanation about accessibility feature.">
         Learn more...
       </message>
       <message name="IDS_ASH_STATUS_TRAY_ACCESSIBILITY_SETTINGS" desc="The label of the item 'Settings...' used in the accessibility menu of the system tray to open an accessibility setting page.">
         Settings...
       </message>
       <message name="IDS_ASH_STATUS_TRAY_BATTERY_FULL" desc="The label in the tray dialog to indicate that the battery is full.">
         Battery full
       </message>
@@ skipping 117 matching lines @@
 
       <!-- ChromeOS-specific strings -->
       <if expr="pp_ifdef('chromeos')">
         <part file="ash_chromeos_strings.grdp" />
       </if>
 
     </messages>
   </release>
 </grit>