Initial implementation of continuous read for ChromeVox Next.

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']);
 
 GEN_INCLUDE(['../../testing/mock_tts.js']);
 
 /**
@@ skipping 159 matching lines @@
   this.runWithDocument(this.formsDoc, function(tabId) {
     var sendDownToSelect =
         this.sendKeyToElement.bind(this, tabId, 'Down', '#fruitSelect');
     var expect = cvox.ChromeVox.tts.expectSpeech.bind(cvox.ChromeVox.tts);
     expect('apple Menu item  1 of 3 ', sendDownToSelect, true);
     expect('grape  2 of 3 ', sendDownToSelect, true);
     expect('banana  3 of 3 ', testDone, true);
     cvox.ChromeVox.tts.finishExpectations();
   }.bind(this));
 });
+
+TEST_F('BackgroundTest', 'ContinuousRead', function() {
+  cvox.ChromeVox.tts.expectSpeech('start', null, true);
+  this.runWithDocument(this.linksAndHeadingsDoc, function() {
+    var doCmd = this.doCmd.bind(this);
+    var expect =
+        cvox.ChromeVox.tts.expectSpeechAfter.bind(cvox.ChromeVox.tts);
+    var sendEndEvent = function() {
+        window.setTimeout(function() {
+          this.sendEndEvent();
+      }.bind(this), 0);
+    }.bind(cvox.ChromeVox.tts);
+
+    expect('start', doCmd('continuousRead'));
+    expect('alpha Link', sendEndEvent);
+    expect('beta Link', sendEndEvent);
+    expect('Heading charlie', sendEndEvent);
+    cvox.ChromeVox.tts.finishExpectations();
+  }.bind(this));
+});