Issue 4722 - Remove old check for Chrome notification API

lib/notificationHelper.js

Index: lib/notificationHelper.js
diff --git a/lib/notificationHelper.js b/lib/notificationHelper.js
index 84f34b3dcf966543a918bfae43efc78bd6565fbe..9a8875a3ecb3c8357397763406546df3c9371be6 100644
--- a/lib/notificationHelper.js
+++ b/lib/notificationHelper.js
@@ -33,21 +33,6 @@ displayMethods.question = ["notification"];
 displayMethods.normal = ["notification"];
 displayMethods.information = ["icon", "popup"];
 
-// Chrome on Linux does not fully support chrome.notifications until version 35
-// https://code.google.com/p/chromium/issues/detail?id=291485
-let canUseChromeNotifications = (function()
-{
-  let info = require("info");
-  if (info.platform == "chromium" && "notifications" in chrome)
-  {
-    if (navigator.platform.indexOf("Linux") == -1)
-      return true;
-    if (Services.vc.compare(info.applicationVersion, "35") >= 0)
-      return true;
-  }
-  return false;
-})();
-
 function prepareNotificationIconAndPopup()
 {
   let animateIcon = shouldDisplay("icon", activeNotification.type);
@@ -195,7 +180,7 @@ function showNotification(notification)
     let iconUrl = ext.getURL("icons/detailed/abp-128.png");
     let linkCount = (activeNotification.links || []).length;
 
-    if (canUseChromeNotifications)
+    if ("notifications" in chrome)
     {
       activeButtons = getNotificationButtons(activeNotification.type, texts.message);
       chrome.notifications.create("", {
@@ -246,7 +231,7 @@ function showNotification(notification)
  */
 exports.initNotifications = function()
 {
-  if (canUseChromeNotifications)
+  if ("notifications" in chrome)
     initChromeNotifications();
   initAntiAdblockNotification();
 };