Content description for settings button in keyboard accessory.

components/autofill_strings.grdp

 <?xml version="1.0" encoding="utf-8"?>
 <grit-part>
 
   <if expr="not is_ios">
     <message name="IDS_AUTOFILL_CLEAR_FORM_MENU_ITEM" desc="The entry in the suggestions dropdown that clears an auto-filled form.">
       Clear form
     </message>
   </if>
   <if expr="is_ios">
     <message name="IDS_AUTOFILL_CLEAR_FORM_MENU_ITEM" desc="iOS: The entry in the suggestions keyboard accessory that clears an auto-filled form.">
@@ skipping 108 matching lines @@
   <if expr="_google_chrome">
     <message name="IDS_AUTOFILL_OPTIONS_POPUP" desc="The text displayed in the Autofill popup to direct the user to the Autofill settings UI.">
       Chrome Autofill settings...
     </message>
   </if>
   <if expr="not _google_chrome">
     <message name="IDS_AUTOFILL_OPTIONS_POPUP" desc="The text displayed in the Autofill popup to direct the user to the Autofill settings UI.">
       Chromium Autofill settings...
     </message>
   </if>
+  <message name="IDS_AUTOFILL_OPTIONS_CONTENT_DESCRIPTION" desc="The text verbalised by a screen reader for the button that directs the user to the Autofill settings UI. This string is not displayed.">
+    settings
+  </message>
 
   <message name="IDS_AUTOFILL_CREDIT_CARD_NOT_SUPPORTED_BY_WALLET" desc="Message displayed to user when user entered a credit card number that is not supported by Google Payments.">
     This type of card is not supported by Google Payments. Please select a different card.
   </message>
   <message name="IDS_AUTOFILL_CREDIT_CARD_NOT_SUPPORTED_BY_WALLET_FOR_MERCHANT" desc="Message displayed to user when user entered a credit card number that is not supported by Google Payments for the particular merchant site the user is on.">
     This type of card is not supported by Google Payments for this merchant. Please select a different card.
   </message>
 
   <!-- Autofill on OSX -->
   <if expr="is_macosx">
@@ skipping 47 matching lines @@
     Enter the 4-digit CVC from the front of your card
   </message>
   <message name="IDS_AUTOFILL_CARD_UNMASK_PROMPT_INSTRUCTIONS_EXPIRED" desc="Text explaining what the user should do in the card unmasking dialog to update an expired card.">
     Enter the expiration date and 3-digit CVC from the back of your card
   </message>
   <message name="IDS_AUTOFILL_CARD_UNMASK_PROMPT_INSTRUCTIONS_EXPIRED_AMEX" desc="Text explaining what the user should do in the card unmasking dialog to update an expired amex card.">
     Enter the expiration date and 4-digit CVC from the front of your card
   </message>
 
 </grit-part>