Add assert_instances_of()

Auditors: epriestley

src/applications/differential/controller/changesetview/DifferentialChangesetViewController.php

@@ -18,7 +18,6 @@
 
 final class DifferentialChangesetViewController extends DifferentialController {
 
-
   public function shouldRequireLogin() {
     return !$this->allowsAnonymousAccess();
   }

src/applications/diffusion/view/browsetable/DiffusionBrowseTableView.php

@@ -22,6 +22,7 @@ final class DiffusionBrowseTableView extends DiffusionView {
   private $handles = array();
 
   public function setPaths(array $paths) {
+    assert_instances_of($paths, 'DiffusionRepositoryPath');
     $this->paths = $paths;
     return $this;
   }