T1354 : Resize profile pics (specifically to handle github v3 api)

Reviewed by: epriestley
GitHub Pull: https://github.com/facebook/phabricator/pull/140

src/applications/auth/controller/oauthregistration/PhabricatorOAuthDefaultRegistrationController.php

@@ -107,7 +107,16 @@ final class PhabricatorOAuthDefaultRegistrationController
               'name' => $provider->getProviderKey().'-profile.jpg',
               'authorPHID' => $user->getPHID(),
             ));
-          $user->setProfileImagePHID($file->getPHID());
+          $xformer = new PhabricatorImageTransformer();
+
+          // Resize OAuth image to a reasonable size
+          $small_xformed = $xformer->executeProfileTransform(
+            $file,
+            $width = 50,
+            $min_height = 50,
+            $max_height = 50);
+
+          $user->setProfileImagePHID($small_xformed->getPHID());
         }
 
         try {