Add a setEncType method to AphrontDialogView.

Summary: Fixes a Conpherence fatal when going to /conpherence/update/1

Test Plan: Successfully rendered the edit form and saved it.

Reviewers: epriestley, btrahan

Reviewed By: btrahan

CC: aran, Korvin

Maniphest Tasks: T2402

Differential Revision: https://secure.phabricator.com/D4634

src/applications/conpherence/controller/ConpherenceUpdateController.php

@@ -207,7 +207,6 @@ final class ConpherenceUpdateController extends
         ->setTitle(pht('Update Conpherence'))
         ->setWidth(AphrontDialogView::WIDTH_FORM)
         ->setSubmitURI($this->getApplicationURI('update/'.$conpherence_id.'/'))
-        ->setEncType('multipart/form-data')
         ->addHiddenInput('action', 'metadata')
         ->appendChild($form)
         ->addSubmitButton()

src/view/AphrontDialogView.php

@@ -128,7 +128,6 @@ final class AphrontDialogView extends AphrontView {
       'action'  => $this->submitURI,
       'method'  => 'post',
       'id'      => $this->formID,
-      'enctype' => $this->encType,
     );
 
     $hidden_inputs = array();