diff --git a/src/applications/transactions/controller/PhabricatorApplicationTransactionCommentHistoryController.php b/src/applications/transactions/controller/PhabricatorApplicationTransactionCommentHistoryController.php
--- a/src/applications/transactions/controller/PhabricatorApplicationTransactionCommentHistoryController.php
+++ b/src/applications/transactions/controller/PhabricatorApplicationTransactionCommentHistoryController.php
@@ -3,23 +3,17 @@
 final class PhabricatorApplicationTransactionCommentHistoryController
   extends PhabricatorApplicationTransactionController {
 
-  private $phid;
-
   public function shouldAllowPublic() {
     return true;
   }
 
-  public function willProcessRequest(array $data) {
-    $this->phid = $data['phid'];
-  }
-
-  public function processRequest() {
-    $request = $this->getRequest();
-    $user = $request->getUser();
+  public function handleRequest(AphrontRequest $request) {
+    $viewer = $this->getViewer();
+    $phid = $request->getURIData('phid');
 
     $xaction = id(new PhabricatorObjectQuery())
-      ->withPHIDs(array($this->phid))
-      ->setViewer($user)
+      ->withPHIDs(array($phid))
+      ->setViewer($viewer)
       ->executeOne();
 
     if (!$xaction) {
@@ -37,7 +31,7 @@
     }
 
     $comments = id(new PhabricatorApplicationTransactionTemplatedCommentQuery())
-      ->setViewer($user)
+      ->setViewer($viewer)
       ->setTemplate($xaction->getApplicationTransactionCommentObject())
       ->withTransactionPHIDs(array($xaction->getPHID()))
       ->execute();
@@ -60,19 +54,19 @@
 
     $obj_phid = $xaction->getObjectPHID();
     $obj_handle = id(new PhabricatorHandleQuery())
-      ->setViewer($user)
+      ->setViewer($viewer)
       ->withPHIDs(array($obj_phid))
       ->executeOne();
 
     $view = id(new PhabricatorApplicationTransactionView())
-      ->setUser($user)
+      ->setUser($viewer)
       ->setObjectPHID($obj_phid)
       ->setTransactions($xactions)
       ->setShowEditActions(false)
       ->setHideCommentOptions(true);
 
     $dialog = id(new AphrontDialogView())
-      ->setUser($user)
+      ->setUser($viewer)
       ->setWidth(AphrontDialogView::WIDTH_FULL)
       ->setFlush(true)
       ->setTitle(pht('Comment History'));
diff --git a/src/applications/transactions/controller/PhabricatorApplicationTransactionCommentQuoteController.php b/src/applications/transactions/controller/PhabricatorApplicationTransactionCommentQuoteController.php
--- a/src/applications/transactions/controller/PhabricatorApplicationTransactionCommentQuoteController.php
+++ b/src/applications/transactions/controller/PhabricatorApplicationTransactionCommentQuoteController.php
@@ -3,18 +3,12 @@
 final class PhabricatorApplicationTransactionCommentQuoteController
   extends PhabricatorApplicationTransactionController {
 
-  private $phid;
-
-  public function willProcessRequest(array $data) {
-    $this->phid = $data['phid'];
-  }
-
-  public function processRequest() {
-    $request = $this->getRequest();
-    $viewer = $request->getUser();
+  public function handleRequest(AphrontRequest $request) {
+    $viewer = $this->getViewer();
+    $phid = $request->getURIData('phid');
 
     $xaction = id(new PhabricatorObjectQuery())
-      ->withPHIDs(array($this->phid))
+      ->withPHIDs(array($phid))
       ->setViewer($viewer)
       ->executeOne();
     if (!$xaction) {
diff --git a/src/applications/transactions/controller/PhabricatorApplicationTransactionCommentRawController.php b/src/applications/transactions/controller/PhabricatorApplicationTransactionCommentRawController.php
--- a/src/applications/transactions/controller/PhabricatorApplicationTransactionCommentRawController.php
+++ b/src/applications/transactions/controller/PhabricatorApplicationTransactionCommentRawController.php
@@ -3,19 +3,13 @@
 final class PhabricatorApplicationTransactionCommentRawController
   extends PhabricatorApplicationTransactionController {
 
-  private $phid;
-
-  public function willProcessRequest(array $data) {
-    $this->phid = $data['phid'];
-  }
-
-  public function processRequest() {
-    $request = $this->getRequest();
-    $user = $request->getUser();
+  public function handleRequest(AphrontRequest $request) {
+    $viewer = $this->getViewer();
+    $phid = $request->getURIData('phid');
 
     $xaction = id(new PhabricatorObjectQuery())
-      ->withPHIDs(array($this->phid))
-      ->setViewer($user)
+      ->withPHIDs(array($phid))
+      ->setViewer($viewer)
       ->executeOne();
 
     if (!$xaction) {
@@ -34,7 +28,7 @@
 
     $obj_phid = $xaction->getObjectPHID();
     $obj_handle = id(new PhabricatorHandleQuery())
-      ->setViewer($user)
+      ->setViewer($viewer)
       ->withPHIDs(array($obj_phid))
       ->executeOne();
 
@@ -59,13 +53,13 @@
             $addendum = PhabricatorMarkupEngine::renderOneObject(
               id(new PhabricatorMarkupOneOff())->setContent($details_text),
               'default',
-              $user);
+              $viewer);
           }
         }
       }
     }
     $dialog = id(new AphrontDialogView())
-      ->setUser($user)
+      ->setUser($viewer)
       ->addCancelButton($obj_handle->getURI())
       ->setTitle($title);
 
diff --git a/src/applications/transactions/controller/PhabricatorApplicationTransactionCommentRemoveController.php b/src/applications/transactions/controller/PhabricatorApplicationTransactionCommentRemoveController.php
--- a/src/applications/transactions/controller/PhabricatorApplicationTransactionCommentRemoveController.php
+++ b/src/applications/transactions/controller/PhabricatorApplicationTransactionCommentRemoveController.php
@@ -3,18 +3,12 @@
 final class PhabricatorApplicationTransactionCommentRemoveController
   extends PhabricatorApplicationTransactionController {
 
-  private $phid;
-
-  public function willProcessRequest(array $data) {
-    $this->phid = $data['phid'];
-  }
-
-  public function processRequest() {
-    $request = $this->getRequest();
-    $viewer = $request->getUser();
+  public function handleRequest(AphrontRequest $request) {
+    $viewer = $this->getViewer();
+    $phid = $request->getURIData('phid');
 
     $xaction = id(new PhabricatorObjectQuery())
-      ->withPHIDs(array($this->phid))
+      ->withPHIDs(array($phid))
       ->setViewer($viewer)
       ->executeOne();
     if (!$xaction) {
diff --git a/src/applications/transactions/controller/PhabricatorApplicationTransactionShowOlderController.php b/src/applications/transactions/controller/PhabricatorApplicationTransactionShowOlderController.php
--- a/src/applications/transactions/controller/PhabricatorApplicationTransactionShowOlderController.php
+++ b/src/applications/transactions/controller/PhabricatorApplicationTransactionShowOlderController.php
@@ -8,8 +8,7 @@
   }
 
   public function handleRequest(AphrontRequest $request) {
-    $request = $this->getRequest();
-    $viewer = $request->getUser();
+    $viewer = $this->getViewer();
 
     $object = id(new PhabricatorObjectQuery())
       ->withPHIDs(array($request->getURIData('phid')))
diff --git a/src/applications/transactions/controller/PhabricatorApplicationTransactionValueController.php b/src/applications/transactions/controller/PhabricatorApplicationTransactionValueController.php
--- a/src/applications/transactions/controller/PhabricatorApplicationTransactionValueController.php
+++ b/src/applications/transactions/controller/PhabricatorApplicationTransactionValueController.php
@@ -8,9 +8,7 @@
   }
 
   public function handleRequest(AphrontRequest $request) {
-    $request = $this->getRequest();
-    $viewer = $request->getUser();
-
+    $viewer = $this->getViewer();
     $phid = $request->getURIData('phid');
     $type = $request->getURIData('value');