Initial commit of new ChromeVox earcon engine.

chrome/browser/resources/chromeos/chromevox/cvox2/background/output.js

 // 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.
 
 /**
  * @fileoverview Provides output services for ChromeVox.
  */
 
 goog.provide('Output');
 goog.provide('Output.EventType');
 
 goog.require('AutomationUtil.Dir');
+goog.require('EarconEngine');
 goog.require('cursors.Cursor');
 goog.require('cursors.Range');
 goog.require('cursors.Unit');
 goog.require('cvox.AbstractEarcons');
 goog.require('cvox.NavBraille');
 goog.require('cvox.Spannable');
 goog.require('cvox.ValueSelectionSpan');
 goog.require('cvox.ValueSpan');
 goog.require('goog.i18n.MessageFormat');
 
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             elem.end);
       });
       spansToRemove.forEach(result.removeSpan.bind(result));
       separator = Output.SPACE;
     });
     return result;
   }
 };
 
 });  // goog.scope