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/auth/controller/PhabricatorAuthNeedsMultiFactorController.php

@@ -29,9 +29,9 @@ final class PhabricatorAuthNeedsMultiFactorController
     $viewer->updateMultiFactorEnrollment();
 
     if (!$viewer->getIsEnrolledInMultiFactor()) {
-      $help = id(new AphrontErrorView())
+      $help = id(new PHUIErrorView())
         ->setTitle(pht('Add Multi-Factor Authentication To Your Account'))
-        ->setSeverity(AphrontErrorView::SEVERITY_WARNING)
+        ->setSeverity(PHUIErrorView::SEVERITY_WARNING)
         ->setErrors(
           array(
             pht(
@@ -53,9 +53,9 @@ final class PhabricatorAuthNeedsMultiFactorController
               'account.'),
           ));
     } else {
-      $help = id(new AphrontErrorView())
+      $help = id(new PHUIErrorView())
         ->setTitle(pht('Multi-Factor Authentication Configured'))
-        ->setSeverity(AphrontErrorView::SEVERITY_NOTICE)
+        ->setSeverity(PHUIErrorView::SEVERITY_NOTICE)
         ->setErrors(
           array(
             pht(