Re-enable ManyPopupNotifications test for linux aura.

The test passes now, but with the IsFullScreenMode implementation warning (harmless to
this test).

BUG=163931

Review URL: https://codereview.chromium.org/167773003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@252047 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/ui/views/message_center/web_notification_tray_browsertest.cc

@@ -182,14 +182,7 @@ IN_PROC_BROWSER_TEST_F(WebNotificationTrayTest,
             tray->message_center_delegate_->NumMessageViewsForTest());
 }
 
-#if defined(OS_LINUX) && !defined(OS_CHROMEOS) && defined(USE_AURA)
-// TODO(erg): linux_aura bringup: http://crbug.com/163931
-#define MAYBE_ManyPopupNotifications DISABLED_ManyPopupNotifications
-#else
-#define MAYBE_ManyPopupNotifications ManyPopupNotifications
-#endif
-
-IN_PROC_BROWSER_TEST_F(WebNotificationTrayTest, MAYBE_ManyPopupNotifications) {
+IN_PROC_BROWSER_TEST_F(WebNotificationTrayTest, ManyPopupNotifications) {
   scoped_ptr<WebNotificationTray> tray(new WebNotificationTray());
   message_center::MessageCenter* message_center = tray->message_center();