Refactorings to reduce dependencies in ChromeVox 2.

chrome/browser/resources/chromeos/chromevox/common/editable_text_test.unitjs

 // 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_unittest_base.js']);
 
 /**
  * A TTS class implementing speak and stop methods intended only for testing.
  * @constructor
@@ skipping 77 matching lines @@
  * @constructor
  * @extends {ChromeVoxUnitTestBase}
  */
 function CvoxEditableTextUnitTest() {}
 
 CvoxEditableTextUnitTest.prototype = {
   __proto__: ChromeVoxUnitTestBase.prototype,
 
   /** @override */
   closureModuleDeps: [
+    'cvox.ChromeVoxEditableElement',
     'cvox.ChromeVoxEditableHTMLInput',
     'cvox.ChromeVoxEditableTextBase',
     'cvox.ChromeVoxEventWatcher',
     'cvox.TextChangeEvent',
     'cvox.TtsInterface',
     'cvox.TypingEcho',
   ],
 
   /** @override */
   setUp: function() {
@@ skipping 160 matching lines @@
   obj.changed(new cvox.TextChangeEvent('Hello, world.', 2, 2));
   assertEqualStringArrays(['Unselected'],
                            tts.get());
 });
 
 
 /** Test multi-line text. */
 TEST_F('CvoxEditableTextUnitTest', 'MultiLineText', function() {
   var str = 'This string\nspans\nfive lines.\n  \n';
   var tts = new TestTts();
-  var obj = new cvox.ChromeVoxEditableTextBase(str, 0, 0, false, tts);
+  var obj = new cvox.ChromeVoxEditableElement(null, str, 0, 0, false, tts);
   obj.multiline = true;
   obj.getLineIndex = function(index) {
     if (index >= 33) {
       return 4;
     } else if (index >= 30) {
       return 3;
     } else if (index >= 18) {
       return 2;
     } else if (index >= 12) {
       return 1;
@@ skipping 394 matching lines @@
   var firstLine = 'Some   text.\n';
   for (var i = 0; i < firstLine.length; ++i) {
     editable.update(true);
     TestBraille.assertContent(firstLine, i, i);
     window.getSelection().modify('move', 'forward', 'character');
   }
   // We should have crossed the line break to the second line which is blank.
   editable.update(true);
   TestBraille.assertContent('', 0, 0);
 });