[Payment Request] Generic edit form

ios/chrome/app/strings/ios_strings.grd

 <?xml version="1.0" encoding="UTF-8"?>
 
 <!--
 This file contains definition of resources that will be translated for each
 locale.  The strings in this file are specific to iOS.
 -->
 
 <grit base_dir="." latest_public_release="0" current_release="1"
       output_all_resource_defines="false" source_lang_id="en" enc_check="möl">
   <outputs>
@@ skipping 225 matching lines @@
       </message>
       <message name="IDS_IOS_AUTOFILL_ADDRESSES_GROUP_NAME" desc="The name of the Addresses group of the Autofill settings. Title case. [Length: 20em] [iOS only]">
         Addresses
       </message>
       <message name="IDS_IOS_AUTOFILL_CARDHOLDER" desc="Title of the field representing the full name of a credit card holder. [Length: 15em] [iOS only]">
         Name on Card
       </message>
       <message name="IDS_IOS_AUTOFILL_CARD_NUMBER" desc="Title of the field representing the number (PAN) on a credit card. [Length: 10em] [iOS only]">
         Card Number
       </message>
+      <message name="IDS_IOS_AUTOFILL_BILLING_ADDRESS" desc="Title of the field representing the billing address of a credit card. [Length: 10em] [iOS only]">
+        Billing Address
+      </message>
       <message name="IDS_IOS_AUTOFILL_CITY" desc="Title of the field of a profile address representing the city/town of the address. [Length: 15em] [iOS only]">
         City / Town
       </message>
       <message name="IDS_IOS_AUTOFILL_COMPANY_NAME" desc="Title of the field of a profile address representing the company name of the addressee. [Length: 17em] [iOS only]">
         Company Name
       </message>
       <message name="IDS_IOS_AUTOFILL_COUNTRY" desc="Title of the field of a profile address representing the country/nation of the address. [Length: 15em] [iOS only]">
         Country
       </message>
       <message name="IDS_IOS_AUTOFILL_CREDITCARDS_GROUP_NAME" desc="The name of the Credit Cards group of the Autofill dialog. Title case. [Length: 20em] [iOS only]">
@@ skipping 1244 matching lines @@
       </message>
       <message name="IDS_IOS_VOICE_SEARCH_SETTING_TITLE" desc="The title for Voice Search setting [Length: 29em] [iOS only]">
         Voice Search
       </message>
       <message name="IDS_IOS_VOICE_SEARCH_SETTING_TTS" desc="The label for setting switch enabling text-to-speech response after voice search [Length: 29em] [iOS only]">
         Speak Answers Back
       </message>
     </messages>
   </release>
 </grit>