Rename policy capabilities

Summary: Ref T5655. Rename `PhabricatorPolicyCapability` subclasses for consistency.

Test Plan: Browsed a few applications, nothing seemed broken.

Reviewers: #blessed_reviewers, epriestley

Reviewed By: #blessed_reviewers, epriestley

Subscribers: epriestley, Korvin, hach-que

Maniphest Tasks: T5655

Differential Revision: https://secure.phabricator.com/D10037

src/applications/diffusion/controller/DiffusionRepositoryCreateController.php

@@ -38,7 +38,7 @@ final class DiffusionRepositoryCreateController
       case 'import':
       case 'create':
         $this->requireApplicationCapability(
-          DiffusionCapabilityCreateRepositories::CAPABILITY);
+          DiffusionCreateRepositoriesCapability::CAPABILITY);
 
         $cancel_uri = $this->getApplicationURI('new/');
         break;
@@ -671,7 +671,7 @@ final class DiffusionRepositoryCreateController
 
     $push_policy = id(new AphrontFormPolicyControl())
       ->setUser($viewer)
-      ->setCapability(DiffusionCapabilityPush::CAPABILITY)
+      ->setCapability(DiffusionPushCapability::CAPABILITY)
       ->setPolicyObject($repository)
       ->setPolicies($policies)
       ->setName('pushPolicy');
@@ -849,5 +849,4 @@ final class DiffusionRepositoryCreateController
     return $this->repository;
   }
 
-
 }