[MD Settings] Add Edit/Create Address Dialog to MD Settings.

chrome/test/data/webui/settings/passwords_and_autofill_fake_data.js

 // Copyright 2016 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.
 
 /**
  * Used to create fake data for both passwords and autofill.
  * These sections are related, so it made sense to share this.
  */
 function FakeDataMaker() {}
 /**
@@ skipping 26 matching lines @@
  */
 FakeDataMaker.exceptionEntry = function(url) {
   url = url || FakeDataMaker.patternMaker_('www.xxxxxx.com', 16);
   return {
     exceptionUrl: url,
     linkUrl: 'http://' + url + '/login',
   };
 };
 
 /**
+ * Creates a new fake address entry for testing.
+ * @return {!chrome.autofillPrivate.AddressEntry}
+ */
+FakeDataMaker.emptyAddressEntry = function() {
+  return {};
+}
+
+/**
  * Creates a fake address entry for testing.
  * @return {!chrome.autofillPrivate.AddressEntry}
  */
 FakeDataMaker.addressEntry = function() {
   var ret = {};
   ret.guid = FakeDataMaker.makeGuid_();
-  ret.fullNames = ['John', 'Doe'];
+  ret.fullNames = ['John Doe'];
   ret.companyName = 'Google';
   ret.addressLines = FakeDataMaker.patternMaker_('xxxx Main St', 10);
-  ret.addressLevel1 = "CA";
-  ret.addressLevel2 = "Venice";
+  ret.addressLevel1 = 'CA';
+  ret.addressLevel2 = 'Venice';
   ret.postalCode = FakeDataMaker.patternMaker_('xxxxx', 10);
   ret.countryCode = 'US';
   ret.phoneNumbers = [FakeDataMaker.patternMaker_('(xxx) xxx-xxxx', 10)];
   ret.emailAddresses = [FakeDataMaker.patternMaker_('userxxxx@gmail.com', 16)];
   ret.languageCode = 'EN-US';
   ret.metadata = {isLocal: true};
   ret.metadata.summaryLabel = ret.fullNames[0];
   ret.metadata.summarySublabel = ' ' + ret.addressLines;
   return ret;
 };
@@ skipping 44 matching lines @@
  * @param {string} pattern The pattern that should be used as an input.
  * @param {number} base The number base. ie: 16 for hex or 10 for decimal.
  * @return {string}
  * @private
  */
 FakeDataMaker.patternMaker_ = function(pattern, base) {
   return pattern.replace(/x/g, function() {
     return Math.floor(Math.random() * base).toString(base);
   });
 };