'Returns the collection storing crash information for the given client.
Args:
client_id: The id of the client, a rdfvalue.ClientURN.
token: A data store token.
Returns:
The collection containing the crash information objects for the client.'

@classmethod
def CrashCollectionForCID(cls, client_id, token=None):

    return grr_collections.CrashCollection(cls.CrashCollectionURNForCID(client_id), token=token)
