diff --git a/src/applications/calendar/controller/PhabricatorCalendarBrowseController.php b/src/applications/calendar/controller/PhabricatorCalendarBrowseController.php
--- a/src/applications/calendar/controller/PhabricatorCalendarBrowseController.php
+++ b/src/applications/calendar/controller/PhabricatorCalendarBrowseController.php
@@ -7,16 +7,15 @@
     return true;
   }
 
-  public function processRequest() {
+  public function handleRequest(AphrontRequest $request) {
+    $viewer = $this->getViewer();
+
     $now     = time();
-    $request = $this->getRequest();
-    $user    = $request->getUser();
-    $year_d  = phabricator_format_local_time($now, $user, 'Y');
+    $year_d  = phabricator_format_local_time($now, $viewer, 'Y');
     $year    = $request->getInt('year', $year_d);
-    $month_d = phabricator_format_local_time($now, $user, 'm');
+    $month_d = phabricator_format_local_time($now, $viewer, 'm');
     $month   = $request->getInt('month', $month_d);
-    $day   = phabricator_format_local_time($now, $user, 'j');
-
+    $day   = phabricator_format_local_time($now, $viewer, 'j');
 
     $holidays = id(new PhabricatorCalendarHoliday())->loadAllWhere(
       'day BETWEEN %s AND %s',
@@ -24,7 +23,7 @@
       "{$year}-{$month}-31");
 
     $statuses = id(new PhabricatorCalendarEventQuery())
-      ->setViewer($user)
+      ->setViewer($viewer)
       ->withDateRange(
         strtotime("{$year}-{$month}-01"),
         strtotime("{$year}-{$month}-01 next month"))
@@ -37,11 +36,11 @@
     }
 
     $month_view->setBrowseURI($request->getRequestURI());
-    $month_view->setUser($user);
+    $month_view->setUser($viewer);
     $month_view->setHolidays($holidays);
 
     $phids = mpull($statuses, 'getUserPHID');
-    $handles = $this->loadViewerHandles($phids);
+    $handles = $viewer->loadHandles($phids);
 
     /* Assign Colors */
     $unique = array_unique($phids);
diff --git a/src/applications/calendar/controller/PhabricatorCalendarViewController.php b/src/applications/calendar/controller/PhabricatorCalendarViewController.php
--- a/src/applications/calendar/controller/PhabricatorCalendarViewController.php
+++ b/src/applications/calendar/controller/PhabricatorCalendarViewController.php
@@ -7,16 +7,16 @@
     return true;
   }
 
-  public function processRequest() {
-    $user = $this->getRequest()->getUser();
+  public function handleRequest(AphrontRequest $request) {
+    $viewer = $this->getViewer();
 
     $now     = time();
     $request = $this->getRequest();
-    $year_d  = phabricator_format_local_time($now, $user, 'Y');
+    $year_d  = phabricator_format_local_time($now, $viewer, 'Y');
     $year    = $request->getInt('year', $year_d);
-    $month_d = phabricator_format_local_time($now, $user, 'm');
+    $month_d = phabricator_format_local_time($now, $viewer, 'm');
     $month   = $request->getInt('month', $month_d);
-    $day   = phabricator_format_local_time($now, $user, 'j');
+    $day   = phabricator_format_local_time($now, $viewer, 'j');
 
 
     $holidays = id(new PhabricatorCalendarHoliday())->loadAllWhere(
@@ -25,8 +25,8 @@
       "{$year}-{$month}-31");
 
     $statuses = id(new PhabricatorCalendarEventQuery())
-      ->setViewer($user)
-      ->withInvitedPHIDs(array($user->getPHID()))
+      ->setViewer($viewer)
+      ->withInvitedPHIDs(array($viewer->getPHID()))
       ->withDateRange(
         strtotime("{$year}-{$month}-01"),
         strtotime("{$year}-{$month}-01 next month"))
@@ -39,7 +39,7 @@
     }
 
     $month_view->setBrowseURI($request->getRequestURI());
-    $month_view->setUser($user);
+    $month_view->setUser($viewer);
     $month_view->setHolidays($holidays);
     if ($this->getNoticeView()) {
       $month_view->setInfoView($this->getNoticeView());
diff --git a/src/applications/differential/controller/DifferentialChangesetViewController.php b/src/applications/differential/controller/DifferentialChangesetViewController.php
--- a/src/applications/differential/controller/DifferentialChangesetViewController.php
+++ b/src/applications/differential/controller/DifferentialChangesetViewController.php
@@ -6,8 +6,7 @@
     return true;
   }
 
-  public function processRequest() {
-    $request = $this->getRequest();
+  public function handleRequest(AphrontRequest $request) {
     $viewer = $this->getViewer();
 
     $author_phid = $viewer->getPHID();
diff --git a/src/applications/differential/controller/DifferentialDiffCreateController.php b/src/applications/differential/controller/DifferentialDiffCreateController.php
--- a/src/applications/differential/controller/DifferentialDiffCreateController.php
+++ b/src/applications/differential/controller/DifferentialDiffCreateController.php
@@ -135,13 +135,10 @@
       ->setUser($viewer);
 
     if ($revision) {
-      $revision_handles = $this->loadViewerHandles(array($revision->getPHID()));
-      $revision_handle = head($revision_handles);
-
       $form->appendChild(
         id(new AphrontFormMarkupControl())
           ->setLabel(pht('Updating Revision'))
-          ->setValue($revision_handle->renderLink()));
+          ->setValue($viewer->renderHandle($revision->getPHID())));
     }
 
     if ($repository_phid) {