Turn Browser Context Menu Async

chrome/browser/resources/chromeos/chromevox/cvox2/background/background_test.extjs

 // Copyright 2014 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.
 
 // Include test fixture.
 GEN_INCLUDE(['../../testing/chromevox_next_e2e_test_base.js',
              '../../testing/assert_additions.js']);
 
 GEN_INCLUDE(['../../testing/mock_feedback.js']);
 
@@ skipping 258 matching lines @@
           .expectBraille('foo lnk');
       mockFeedback.replay();
     }
   );
 });
 
 TEST_F('BackgroundTest', 'ShowContextMenu', function() {
   var mockFeedback = this.createMockFeedback();
   this.runWithLoadedTree('<p>before</p><a href="a">a</a>',
     function(rootNode) {
-      mockFeedback.expectSpeech(/menu opened/)
-          .call(function() {
-            // When shown, the context menu pushes a new message loop so test
-            // messages sent to the browser do not get processed. Ensure we
-            // exit the context menu here.
-            go.showContextMenu();
-          });
+      var go = rootNode.find({ role: RoleType.link });
+      // Menus no longer nest a message loop, so we can launch menu and confirm
+      // expected speech. The menu will not block test shutdown.
+      mockFeedback.call(go.focus.bind(go))
+          .expectSpeech('a', 'Link')
+          .call(doCmd('contextMenu'))
+          .expectSpeech(/menu opened/);
       mockFeedback.replay();
-
-      var go = rootNode.find({ role: RoleType.link });
-      this.listenOnce(go, 'focus', function(e) {
-        doCmd('contextMenu')();
-      }.bind(this), true);
-      go.focus();
     }.bind(this));
 });
 
 TEST_F('BackgroundTest', 'BrailleRouting', function() {
   var mockFeedback = this.createMockFeedback();
   var route = function(position) {
     assertTrue(ChromeVoxState.instance.onBrailleKeyEvent(
         {command: cvox.BrailleKeyCommand.ROUTING,
          displayPosition: position},
         mockFeedback.lastMatchedBraille));
@@ skipping 822 matching lines @@
           .call(doCmd('nextHeading' + level))
           .expectSpeech('No next level ' + level + ' heading.')
           .call(doCmd('previousHeading' + level))
           .expectSpeech('No previous level ' + level + ' heading.');
     };
     for (var i = 1; i <= 6; i++)
       makeLevelAssertions(i);
     mockFeedback.replay();
   });
 });