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/phriction/controller/PhrictionEditController.php

@@ -94,8 +94,8 @@ final class PhrictionEditController
         ),
         pht('discard this draft'));
 
-      $draft_note = new AphrontErrorView();
-      $draft_note->setSeverity(AphrontErrorView::SEVERITY_NOTICE);
+      $draft_note = new PHUIErrorView();
+      $draft_note->setSeverity(PHUIErrorView::SEVERITY_NOTICE);
       $draft_note->setTitle('Recovered Draft');
       $draft_note->appendChild(hsprintf(
         '<p>Showing a saved draft of your edits, you can %s.</p>',