[Leipzig][Desktop] Fix empty fields profile data in Settings.

This CL fixes a bug introduced in https://crrev.com/c/4218499.
The format of data for empty fields was changed, but
the backend part does not expect it, which leads to
inability to remove a single element array field.

Bug: 1408423
Change-Id: I2394e94b29d245a39739326e530ab829fe090d6c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4264097
Reviewed-by: Viktor Semeniuk <vsemeniuk@google.com>
Commit-Queue: Dmitry Vykochko <vykochko@google.com>
Cr-Commit-Position: refs/heads/main@{#1107247}

chrome/browser/resources/settings/autofill_page/address_edit_dialog_components.ts

@@ -147,7 +147,7 @@ export class ArrayStringComponentUi extends
   }
 
   protected setValue(value: string|undefined, address: AddressEntry): void {
-    address[this.property] = isValueNonEmpty(value) ? [value!] : undefined;
+    address[this.property] = isValueNonEmpty(value) ? [value!] : [];
   }
 }
 

chrome/test/data/webui/settings/autofill_section_test.ts

@@ -8,7 +8,7 @@ import 'chrome://settings/settings.js';
 import {loadTimeData} from 'chrome://resources/js/load_time_data.js';
 import {flush} from 'chrome://resources/polymer/v3_0/polymer/polymer_bundled.min.js';
 import {AutofillManagerImpl, CountryDetailManagerImpl, CrInputElement, CrTextareaElement} from 'chrome://settings/lazy_load.js';
-import {assertEquals, assertFalse, assertGT, assertTrue} from 'chrome://webui-test/chai_assert.js';
+import {assertArrayEquals, assertEquals, assertFalse, assertGT, assertTrue} from 'chrome://webui-test/chai_assert.js';
 import {eventToPromise, whenAttributeIs, isVisible} from 'chrome://webui-test/test_util.js';
 import {flushTasks} from 'chrome://webui-test/polymer_test_util.js';
 
@@ -440,8 +440,8 @@ suite('AutofillSectionAddressTests', function() {
       return expectEvent(dialog, 'save-address', function() {
                dialog.$.saveButton.click();
              }).then(function() {
-        assertEquals(undefined, address.phoneNumbers);
-        assertEquals(undefined, address.emailAddresses);
+        assertArrayEquals([], address.phoneNumbers!);
+        assertArrayEquals([], address.emailAddresses!);
       });
     });
   });