Show a count (like "(3)") in the page title corresponding to unread notifications/messages

Summary: Fixes T5368. Synchronizes the page title to reflect unread counts in the notification and Conphernece messages menus.

Test Plan: {F201083}

Reviewers: btrahan

Reviewed By: btrahan

Subscribers: epriestley

Maniphest Tasks: T5368

Differential Revision: https://secure.phabricator.com/D10457

src/view/page/menu/PhabricatorMainMenuView.php

@@ -349,6 +349,8 @@ final class PhabricatorMainMenuView extends AphrontView {
           'dropdownID'  => $message_dropdown_id,
           'loadingText' => pht('Loading...'),
           'uri'         => '/conpherence/panel/',
+          'countType'   => 'messages',
+          'countNumber' => $message_count_number,
         ));
 
       $message_notification_dropdown = javelin_tag(
@@ -428,6 +430,8 @@ final class PhabricatorMainMenuView extends AphrontView {
           'dropdownID'  => $dropdown_id,
           'loadingText' => pht('Loading...'),
           'uri'         => '/notification/panel/',
+          'countType'   => 'notifications',
+          'countNumber' => $count_number,
         ));
 
       $notification_dropdown = javelin_tag(