Normalize non-breaking spaces into spaces

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 684 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);
 });
+
+TEST_F('CvoxEditableTextUnitTest', 'TypingNonBreakingSpaces', function() {
+  var tts = new TestTts();
+  var obj = new cvox.ChromeVoxEditableTextBase('Hello', 0, 0, false, tts);
+
+  obj.changed(new cvox.TextChangeEvent('h', 1, 1));
+  obj.changed(new cvox.TextChangeEvent('hi', 2, 2));
+  obj.changed(new cvox.TextChangeEvent('hi\u00a0', 3, 3));
+  obj.changed(new cvox.TextChangeEvent('hi t', 4, 4));
+  assertEqualStringArrays(['h', 'i', 'hi ', 't'], tts.get());
+});