Pass actor to revision unsubscriber editor

Summary: I wonder how I tested this.

Test Plan: Subscribed, unsubscribed.

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D4860

src/applications/differential/DifferentialReplyHandler.php

@@ -172,7 +172,7 @@ class DifferentialReplyHandler extends PhabricatorMailReplyHandler {
     DifferentialRevisionEditor::removeCCAndUpdateRevision(
       $revision,
       $user->getPHID(),
-      $user->getPHID());
+      $user);
   }
 
 

src/applications/differential/controller/DifferentialSubscribeController.php

@@ -59,13 +59,13 @@ final class DifferentialSubscribeController extends DifferentialController {
         DifferentialRevisionEditor::addCCAndUpdateRevision(
           $revision,
           $phid,
-          $phid);
+          $user);
         break;
       case 'rem':
         DifferentialRevisionEditor::removeCCAndUpdateRevision(
           $revision,
           $phid,
-          $phid);
+          $user);
         break;
       default:
         return new Aphront400Response();

src/applications/differential/editor/DifferentialRevisionEditor.php

@@ -496,12 +496,13 @@ final class DifferentialRevisionEditor extends PhabricatorEditor {
   public static function addCCAndUpdateRevision(
     $revision,
     $phid,
-    $reason) {
+    PhabricatorUser $actor) {
 
-    self::addCC($revision, $phid, $reason);
+    self::addCC($revision, $phid, $actor->getPHID());
 
     $type = PhabricatorEdgeConfig::TYPE_OBJECT_HAS_UNSUBSCRIBER;
     id(new PhabricatorEdgeEditor())
+      ->setActor($actor)
       ->removeEdge($revision->getPHID(), $type, $phid)
       ->save();
   }
@@ -509,12 +510,13 @@ final class DifferentialRevisionEditor extends PhabricatorEditor {
   public static function removeCCAndUpdateRevision(
     $revision,
     $phid,
-    $reason) {
+    PhabricatorUser $actor) {
 
-    self::removeCC($revision, $phid, $reason);
+    self::removeCC($revision, $phid, $actor->getPHID());
 
     $type = PhabricatorEdgeConfig::TYPE_OBJECT_HAS_UNSUBSCRIBER;
     id(new PhabricatorEdgeEditor())
+      ->setActor($actor)
       ->addEdge($revision->getPHID(), $type, $phid)
       ->save();
   }