Focus the first input when adding a new Autofill cc or address

chrome/browser/resources/options/autofill_edit_address_overlay.js

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 cr.define('options', function() {
   /** @const */ var Page = cr.ui.pageManager.Page;
   /** @const */ var PageManager = cr.ui.pageManager.PageManager;
   /** @const */ var ArrayDataModel = cr.ui.ArrayDataModel;
 
   /**
@@ skipping 309 matching lines @@
         var option = new Option(countryList[i].name,
                                 countryList[i].value);
         option.disabled = countryList[i].value == 'separator';
         countrySelect.appendChild(option);
       }
     },
 
     /**
      * Loads the address data from |address|, sets the input fields based on
      * this data, and stores the GUID and language code of the address.
-     * @param {!Object} address Lots of info about an address from the browser.
+     * @param {Object} address Lots of info about an address from the browser.
      * @private
      */
     loadAddress_: function(address) {
+      if (!address) {

[arv (Not doing code reviews), 2014/09/02 17:01:04]

A better solution would be to have another function here. Making this function
do 2 different things is kind of confusing.

[Evan Stade, 2014/09/02 18:41:17]

Done.

+        // Adding a new address --- focus the first element.
+        this.pageDiv.querySelector('input').focus();
+        return;
+      }
+
       this.rebuildInputFields_(address.components);
       this.setInputFields_(address);
       this.inputFieldChanged_();
       this.connectInputEvents_();
       this.guid_ = address.guid;
       this.languageCode_ = address.languageCode;
     },
 
     /**
      * Takes a snapshot of the input values, clears the input values, loads the
@@ skipping 80 matching lines @@
     var phoneList = instance.pageDiv.querySelector('[field=phone]');
     instance.setMultiValueList_(phoneList, numbers);
     phoneList.didReceiveValidationResult();
   };
 
   // Export
   return {
     AutofillEditAddressOverlay: AutofillEditAddressOverlay
   };
 });