Remove uses of the Legacy Notification API and tests on Linux Aura

chrome/test/data/extensions/api_test/activity_log_private/friend/reply.js

Index: chrome/test/data/extensions/api_test/activity_log_private/friend/reply.js
diff --git a/chrome/test/data/extensions/api_test/activity_log_private/friend/reply.js b/chrome/test/data/extensions/api_test/activity_log_private/friend/reply.js
index 9e3973b9242fe2e4dd9a7c6f03d26ce26e26077f..aeab2a39675756dfb7f9811d6e472ac25046b54e 100644
--- a/chrome/test/data/extensions/api_test/activity_log_private/friend/reply.js
+++ b/chrome/test/data/extensions/api_test/activity_log_private/friend/reply.js
@@ -309,13 +309,6 @@ function executeDOMChangesOnTabUpdated() {
           'store.removeItem("foo"); ' +
           'store.clear();';
 
-  // Accesses the HTML5 Notification API from inside a content script.
-  code += 'try {' +
-          '  webkitNotifications.createNotification("myIcon.png", ' +
-          '                                         "myTitle", ' +
-          '                                         "myContent");' +
-          '} catch (e) {}';
-
   // Accesses the HTML5 ApplicationCache API from inside a content script.
   code += 'var appCache = window.applicationCache;';