Tweak payment autofill disabled message in form-not-secure

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.">
       CLEAR FORM
     </message>
   </if>
   <message name="IDS_AUTOFILL_CLEAR_LOCAL_COPY_BUTTON" desc="The label of the button that clears the local copy of a Wallet Credit Card." formatter_data="android_java">
     Clear copy
   </message>
   <message name="IDS_AUTOFILL_WARNING_FORM_DISABLED" desc="Warning text to show when autofill is disabled by the website for a given form.">
     This webpage has disabled automatic filling for this form.
   </message>
+  <message name="IDS_AUTOFILL_WARNING_PAYMENT_DISABLED" desc="Warning text to show when credit card autofill is disabled because the website is not using a secure connection. This warning text is shown below a separate warning indicating that the form is not secure, so this message indicates just that payment autofilling has been disabled (not why).">
+    Payment autofilling disabled
+  </message>
   <message name="IDS_AUTOFILL_WARNING_INSECURE_CONNECTION" desc="Warning text to show when credit card autofill is disabled because the website is not using a secure connection.">
     Automatic credit card filling is disabled because this form does not use a secure connection.
   </message>
   <message name="IDS_AUTOFILL_HTTP_WARNING_LEARN_MORE" desc="The text displayed with http bad warning message in the Autofill popup to direct the user to the Chrome security connection help center page.">
     Learn more
   </message>
   <message name="IDS_AUTOFILL_CREDIT_CARD_HTTP_WARNING_MESSAGE" desc="Chrome can help the user fill credit card web forms by showing a pop-up with text suggestions next to a focused credit card text field. If the form is on an insecure site (e.g., http://), this text is shown on top of those suggestions.">
     Payment not secure
   </message>
   <message name="IDS_AUTOFILL_CREDIT_CARD_SIGNIN_PROMO" desc="Promo text shown alongside credit card suggestions to get people to sign in.">
@@ skipping 293 matching lines @@
     /
   </message>
   <message name="IDS_AUTOFILL_CARD_UNMASK_NEW_CARD_LINK" desc="Text for link that prompts user to update their credit card after it may have been re-issued." formatter_data="android_java">
     New card?
   </message>
   <message name="IDS_AUTOFILL_DIALOG_PLACEHOLDER_CVC" desc="The placeholder/label text for credit card verification code in the requestAutocomplete dialog.">
     CVC
   </message>
 
 </grit-part>