Change setErrorView to setInfoView in PHUIObjectBoxView

Summary: Renames the method in PHUIObjectBoxView to match the new PHUIInfoView class.

Test Plan: grepped codebase. Went to Calendar and tried a new status.

Reviewers: btrahan, epriestley

Reviewed By: epriestley

Subscribers: Korvin, epriestley

Differential Revision: https://secure.phabricator.com/D12005

src/applications/diffusion/controller/DiffusionExternalController.php

@@ -131,7 +131,7 @@ final class DiffusionExternalController extends DiffusionController {
 
       $content = new PHUIObjectBoxView();
       $content->setHeaderText(pht('Multiple Matching Commits'));
-      $content->setErrorView($caption);
+      $content->setInfoView($caption);
       $content->appendChild($table);
     }