Change V1 to use the manifest builder and new registry data model

test/registry/protocols.py

@@ -97,6 +97,11 @@ class RegistryProtocol(object):
         the given credentials.
     """
 
+  @abstractmethod
+  def delete(self, session, namespace, repo_name, tag_names, credentials=None,
+             expected_failure=None, options=None):
+    """ Deletes some tags. """
+    
   def repo_name(self, namespace, repo_name):
     if namespace:
       return '%s/%s' % (namespace, repo_name)