diff --git a/src/applications/xhprof/controller/PhabricatorXHProfProfileController.php b/src/applications/xhprof/controller/PhabricatorXHProfProfileController.php
--- a/src/applications/xhprof/controller/PhabricatorXHProfProfileController.php
+++ b/src/applications/xhprof/controller/PhabricatorXHProfProfileController.php
@@ -3,22 +3,16 @@
 final class PhabricatorXHProfProfileController
   extends PhabricatorXHProfController {
 
-  private $phid;
-
   public function shouldAllowPublic() {
     return true;
   }
 
-  public function willProcessRequest(array $data) {
-    $this->phid = $data['phid'];
-  }
-
-  public function processRequest() {
-    $request = $this->getRequest();
+  public function handleRequest(AphrontRequest $request) {
+    $phid = $request->getURIData('phid');
 
     $file = id(new PhabricatorFileQuery())
       ->setViewer($request->getUser())
-      ->withPHIDs(array($this->phid))
+      ->withPHIDs(array($phid))
       ->executeOne();
     if (!$file) {
       return new Aphront404Response();
diff --git a/src/applications/xhprof/controller/PhabricatorXHProfSampleListController.php b/src/applications/xhprof/controller/PhabricatorXHProfSampleListController.php
--- a/src/applications/xhprof/controller/PhabricatorXHProfSampleListController.php
+++ b/src/applications/xhprof/controller/PhabricatorXHProfSampleListController.php
@@ -3,24 +3,22 @@
 final class PhabricatorXHProfSampleListController
   extends PhabricatorXHProfController {
 
-  private $view;
-
   public function shouldAllowPublic() {
     return true;
   }
 
-  public function willProcessRequest(array $data) {
-    $this->view = idx($data, 'view', 'all');
-  }
+  public function handleRequest(AphrontRequest $request) {
+    $viewer = $request->getViewer();
+    $view = $request->getURIData('view');
 
-  public function processRequest() {
-    $request = $this->getRequest();
-    $user = $request->getUser();
+    if (!$view) {
+      $view = 'all';
+    }
 
     $pager = new PHUIPagerView();
     $pager->setOffset($request->getInt('page'));
 
-    switch ($this->view) {
+    switch ($view) {
       case 'sampled':
         $clause = 'sampleRate > 0';
         $show_type = false;
@@ -78,7 +76,7 @@
 
       $item->addIcon(
         'none',
-        phabricator_datetime($sample->getDateCreated(), $user));
+        phabricator_datetime($sample->getDateCreated(), $viewer));
 
       $list->addItem($item);
     }