diff --git a/src/applications/countdown/controller/PhabricatorCountdownController.php b/src/applications/countdown/controller/PhabricatorCountdownController.php
--- a/src/applications/countdown/controller/PhabricatorCountdownController.php
+++ b/src/applications/countdown/controller/PhabricatorCountdownController.php
@@ -2,27 +2,9 @@
 
 abstract class PhabricatorCountdownController extends PhabricatorController {
 
-  public function buildSideNavView($for_app = false) {
-    $user = $this->getRequest()->getUser();
-
-    $nav = new AphrontSideNavFilterView();
-    $nav->setBaseURI(new PhutilURI($this->getApplicationURI()));
-
-    if ($for_app) {
-      $nav->addFilter('create', pht('Create Countdown'));
-    }
-
-    id(new PhabricatorCountdownSearchEngine())
-      ->setViewer($user)
-      ->addNavigationItems($nav->getMenu());
-
-    $nav->selectFilter(null);
-
-    return $nav;
-  }
-
   public function buildApplicationMenu() {
-    return $this->buildSideNavView($for_app = true)->getMenu();
+    return $this->newApplicationMenu()
+      ->setSearchEngine(new PhabricatorPasteSearchEngine());
   }
 
   protected function buildApplicationCrumbs() {
diff --git a/src/applications/countdown/controller/PhabricatorCountdownEditController.php b/src/applications/countdown/controller/PhabricatorCountdownEditController.php
--- a/src/applications/countdown/controller/PhabricatorCountdownEditController.php
+++ b/src/applications/countdown/controller/PhabricatorCountdownEditController.php
@@ -184,14 +184,13 @@
       ->setFormErrors($errors)
       ->setForm($form);
 
-    return $this->buildApplicationPage(
-      array(
-        $crumbs,
-        $form_box,
-      ),
-      array(
-        'title' => $page_title,
-      ));
+    return $this->newPage()
+      ->setTitle($page_title)
+      ->setCrumbs($crumbs)
+      ->appendChild(
+        array(
+          $form_box,
+        ));
   }
 
 }
diff --git a/src/applications/countdown/controller/PhabricatorCountdownListController.php b/src/applications/countdown/controller/PhabricatorCountdownListController.php
--- a/src/applications/countdown/controller/PhabricatorCountdownListController.php
+++ b/src/applications/countdown/controller/PhabricatorCountdownListController.php
@@ -8,15 +8,9 @@
   }
 
   public function handleRequest(AphrontRequest $request) {
-    $querykey = $request->getURIData('queryKey');
-
-    $controller = id(new PhabricatorApplicationSearchController())
-      ->setQueryKey($querykey)
-      ->setSearchEngine(new PhabricatorCountdownSearchEngine())
-      ->setNavigation($this->buildSideNavView());
-
-    return $this->delegateToController($controller);
+    return id(new PhabricatorCountdownSearchEngine())
+      ->setController($this)
+      ->buildResponse();
   }
 
-
 }
diff --git a/src/applications/countdown/controller/PhabricatorCountdownViewController.php b/src/applications/countdown/controller/PhabricatorCountdownViewController.php
--- a/src/applications/countdown/controller/PhabricatorCountdownViewController.php
+++ b/src/applications/countdown/controller/PhabricatorCountdownViewController.php
@@ -61,20 +61,22 @@
 
     $add_comment = $this->buildCommentForm($countdown);
 
-    $content = array(
-      $crumbs,
-      $object_box,
-      $countdown_view,
-      $timeline,
-      $add_comment,
-    );
-
-    return $this->buildApplicationPage(
-      $content,
-      array(
-        'title' => $title,
-        'pageObjects' => array($countdown->getPHID()),
-      ));
+
+
+    return $this->newPage()
+      ->setTitle($title)
+      ->setCrumbs($crumbs)
+      ->setPageObjectPHIDs(
+        array(
+          $countdown->getPHID(),
+        ))
+      ->appendChild(
+        array(
+          $object_box,
+          $countdown_view,
+          $timeline,
+          $add_comment,
+        ));
   }
 
   private function buildActionListView(PhabricatorCountdown $countdown) {