Bind key for toggleBrailleCaptions

chrome/browser/resources/chromeos/chromevox/cvox2/background/background.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 The entry point for all ChromeVox2 related code for the
  * background page.
  */
 
 goog.provide('Background');
@@ skipping 773 matching lines @@
       case 'reportIssue':
         var url = Background.ISSUE_URL;
         var description = {};
         description['Mode'] = this.mode_;
         description['Version'] = chrome.app.getDetails().version;
         description['Reproduction Steps'] = '%0a1.%0a2.%0a3.';
         for (var key in description)
           url += key + ':%20' + description[key] + '%0a';
         chrome.tabs.create({url: url});
         return false;
+      case 'toggleBrailleCaptions':
+        cvox.BrailleCaptionsBackground.setActive(
+            !cvox.BrailleCaptionsBackground.isEnabled());
+        return false;
       default:
         return true;
     }
 
     if (pred) {
       var bound = current.getBound(dir).node;
       if (bound) {
         var node = AutomationUtil.findNextNode(
             bound, dir, pred, {skipInitialAncestry: true});
 
@@ skipping 377 matching lines @@
     return glob.replace(/[.+^$(){}|[\]\\]/g, '\\$&')
         .replace(/\*/g, '.*')
         .replace(/\?/g, '.');
   }).join('|') + ')$');
 };
 
 /** @type {Background} */
 global.backgroundObj = new Background();
 
 });  // goog.scope