[settings] Remove pre-dice code in sign_out_a11y_tests.js

Dice is now launched and pre-dice codepath can be removed.

Bug: 891781
Change-Id: I15efa40c47b6c164f5aae521f19734390ec138a8
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2013283
Commit-Queue: David Roger <droger@chromium.org>
Reviewed-by: Demetrios Papadopoulos <dpapad@chromium.org>
Cr-Commit-Position: refs/heads/master@{#734414}

chrome/test/data/webui/settings/a11y/sign_out_a11y_test.js

@@ -63,30 +63,25 @@ AccessibilityTest.define('SettingsA11ySignOut', {
                           .$$('settings-people-page');
     assert(!!this.peoplePage);
 
-    if (this.peoplePage.diceEnabled_) {
     sync_test_util.simulateSyncStatus({
       signedIn: false,
       signinAllowed: true,
       syncSystemEnabled: true,
       disabled: false,
     });
-    }
   },
   /** @override */
   tests: {
     'Accessible Dialog': function() {
       let parent = null;
-      let disconnectButtonSelector = null;
 
       return this.browserProxy.getSyncStatus()
           .then(syncStatus => {
             // Navigate to the sign out dialog.
             Polymer.dom.flush();
 
-            if (this.peoplePage.diceEnabled_) {
-              const syncAccountControl =
-                  this.peoplePage.$$('settings-sync-account-control');
-              syncAccountControl.syncStatus = {
+            parent = this.peoplePage.$$('settings-sync-account-control');
+            parent.syncStatus = {
               firstSetupInProgress: false,
               signedIn: true,
               signedInUsername: 'bar@bar.com',
@@ -94,16 +89,10 @@ AccessibilityTest.define('SettingsA11ySignOut', {
               hasError: false,
               disabled: false,
             };
-              parent = syncAccountControl;
-              disconnectButtonSelector = '#turn-off';
-            } else {
-              parent = this.peoplePage;
-              disconnectButtonSelector = '#disconnectButton';
-            }
             return test_util.waitBeforeNextRender(parent);
           })
           .then(() => {
-            disconnectButton = parent.$$(disconnectButtonSelector);
+            disconnectButton = parent.$$('#turn-off');
             assert(!!disconnectButton);
             disconnectButton.click();
             Polymer.dom.flush();