Ensure focus() gets called when navigating to text fields

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 1136 matching lines @@
         .expectSpeech('this is a test')
         .call(doCmd('nextObject'))
         .expectSpeech(/data*/)
         .call(doCmd('nextObject'))
         .expectSpeech('this is a test')
         .call(doCmd('nextWord'))
         .expectSpeech('is', 'selected')
         .replay();
   });
 });
+
+TEST_F('BackgroundTest', 'NavigationMovesFocus', function() {
+  this.runWithLoadedTree(function(root) {/*!
+    <p>start</p>
+    <input type="text"></input>
+  */}, function(root) {
+    this.listenOnce(root, 'focus', function(e) {
+      var focus = ChromeVoxState.instance.currentRange.start.node;
+      assertEquals(RoleType.textField, focus.role);
+      assertTrue(focus.state.focused);
+    });
+    doCmd('nextEditText')();
+  });
+});