[MD Settings] Allow editing autofill items from Google Payments.

chrome/app/settings_strings.grdp

 <?xml version="1.0" encoding="utf-8"?>
 <!-- Settings-specific strings (included from generated_resources.grd). -->
 <grit-part>
   <!-- About Page -->
   <if expr="chromeos">
     <message name="IDS_SETTINGS_ABOUT_PAGE_CHECK_FOR_UPDATES" desc="The button label to check for updates and apply (download and install) if found">
       Check for updates
     </message>
     <message name="IDS_SETTINGS_ABOUT_PAGE_CURRENT_CHANNEL_STABLE" desc="The stable label in the message about current channel.">
       stable
@@ skipping 203 matching lines @@
   <!-- Passwords and Autofill Page -->
   <message name="IDS_SETTINGS_OVERFLOW_MENU" desc="Alt text for the overflow button on a list item. Triggers a context menu when clicked.">
    Menu
   </message>
   <message name="IDS_SETTINGS_PASSWORDS_AND_AUTOFILL_PAGE_TITLE" desc="Name of the settings page which allows managing passwords and autofill settings.">
     Passwords and forms
   </message>
   <message name="IDS_SETTINGS_AUTOFILL" desc="Name for the autofill section and toggle.">
     Autofill settings
   </message>
+  <message name="IDS_SETTINGS_GOOGLE_PAYMENTS" desc="Label used to differentiate when an address or credit card entry comes from Google Payments. This should follow the casing of the 'Google Payments' brand.">
+    Google Payments
+  </message>
   <message name="IDS_SETTINGS_AUTOFILL_ADDRESSES_HEADING" desc="Title for the list of addresses that chrome has saved for use in filling in forms.">
     Addresses
   </message>
   <message name="IDS_SETTINGS_AUTOFILL_ADD_ADDRESS_BUTTON" desc="Label for a button that allows a user to enter a new address that can be used to fill in forms.">
     Add address
   </message>
   <message name="IDS_SETTINGS_AUTOFILL_CREDIT_CARD_HEADING" desc="Title for the list of saved passwords that can be used to fill in forms.">
     Credit cards
   </message>
   <message name="IDS_SETTINGS_AUTOFILL_ADD_CREDIT_CARD_BUTTON" desc="Label for a button that allows a user to enter new credit card information that can be used to fill in forms.">
@@ skipping 1327 matching lines @@
       System
     </message>
     <message name="IDS_SETTINGS_SYSTEM_HARDWARE_ACCELERATION_LABEL" desc="Label for the checkbox that forces Chrome to render via hardware acceleration (GPU) when available.">
       Use hardware acceleration when available
     </message>
     <message name="IDS_SETTINGS_SYSTEM_PROXY_SETTINGS_BUTTON" desc="Text for the button that changes a user's network proxy settings.">
       Change proxy settings
     </message>
   </if>
 </grit-part>