PHUIErrorView

Summary: Clean up the error view styling.

Test Plan:
Tested as many as I could find, built additional tests in UIExamples

{F280452}

{F280453}

Reviewers: btrahan, epriestley

Reviewed By: epriestley

Subscribers: hach-que, Korvin, epriestley

Differential Revision: https://secure.phabricator.com/D11605

src/applications/oauthserver/controller/PhabricatorOAuthServerController.php

@@ -55,8 +55,8 @@ abstract class PhabricatorOAuthServerController
   }
 
   protected function buildErrorView($error_message) {
-    $error = new AphrontErrorView();
-    $error->setSeverity(AphrontErrorView::SEVERITY_ERROR);
+    $error = new PHUIErrorView();
+    $error->setSeverity(PHUIErrorView::SEVERITY_ERROR);
     $error->setTitle($error_message);
 
     return $error;