Prepare ChromeVox for webstore release.

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

Index: chrome/browser/resources/chromeos/chromevox/cvox2/background/background.js
diff --git a/chrome/browser/resources/chromeos/chromevox/cvox2/background/background.js b/chrome/browser/resources/chromeos/chromevox/cvox2/background/background.js
index 71e1fee2c8254cc762ef4e4f476f9da2f8d75831..876beae68974b41c80d2f08fcb250b0b93ae75ee 100644
--- a/chrome/browser/resources/chromeos/chromevox/cvox2/background/background.js
+++ b/chrome/browser/resources/chromeos/chromevox/cvox2/background/background.js
@@ -18,6 +18,7 @@ goog.require('Notifications');
 goog.require('Output');
 goog.require('Output.EventType');
 goog.require('PanelCommand');
+goog.require('Stubs');
 goog.require('constants');
 goog.require('cursors.Cursor');
 goog.require('cvox.BrailleKeyCommand');
@@ -106,8 +107,8 @@ Background = function() {
   if (cvox.ChromeVox.isChromeOS) {
     Object.defineProperty(cvox.ChromeVox, 'modKeyStr', {
       get: function() {
-        return (this.mode == ChromeVoxMode.CLASSIC || this.mode ==
-            ChromeVoxMode.COMPAT) ?
+        return (this.mode == ChromeVoxMode.CLASSIC ||
+            this.mode == ChromeVoxMode.COMPAT) ?
                 'Search+Shift' : 'Search';
       }.bind(this)
     });
@@ -146,15 +147,10 @@ Background = function() {
    */
   this.mode_ = null;
 
-  if (!chrome.accessibilityPrivate.setKeyboardListener)
-    chrome.accessibilityPrivate.setKeyboardListener = function() {};
-
-  if (cvox.ChromeVox.isChromeOS) {
-    chrome.accessibilityPrivate.onAccessibilityGesture.addListener(
-        this.onAccessibilityGesture_);
-
-    Notifications.onStartup();
-  }};
+  chrome.accessibilityPrivate.onAccessibilityGesture.addListener(
+      this.onAccessibilityGesture_);
+  Notifications.onStartup();
+};
 
 /**
  * @const {string}
@@ -255,9 +251,7 @@ Background.prototype = {
           chrome.commands.onCommand.hasListener(this.onGotCommand))
         chrome.commands.onCommand.removeListener(this.onGotCommand);
       chrome.accessibilityPrivate.setKeyboardListener(false, false);
-
-      if (cvox.ChromeVox.isChromeOS)
-        chrome.accessibilityPrivate.setFocusRing([]);
+      chrome.accessibilityPrivate.setFocusRing([]);
     } else {
       if (chrome.commands &&
           !chrome.commands.onCommand.hasListener(this.onGotCommand))