| Index: components/sync/tools/testserver/chromiumsync.py | 
| diff --git a/components/sync/tools/testserver/chromiumsync.py b/components/sync/tools/testserver/chromiumsync.py | 
| index cfcf54b68fb78d30ff2041b12f48dbb5ba292583..e6f19913fb2df7e8da1677aedba4c2be19d0a1d4 100644 | 
| --- a/components/sync/tools/testserver/chromiumsync.py | 
| +++ b/components/sync/tools/testserver/chromiumsync.py | 
| @@ -429,10 +429,8 @@ class UpdateSieve(object): | 
| elif marker.token: | 
| (timestamp, version) = pickle.loads(marker.token) | 
| self._migration_versions_to_check[data_type] = version | 
| -        elif marker.HasField('token'): | 
| -          timestamp = 0 | 
| else: | 
| -          raise ValueError('No timestamp information in progress marker.') | 
| +          timestamp = 0 | 
| data_type = ProtocolDataTypeIdToSyncType(marker.data_type_id) | 
| self._state[data_type] = timestamp | 
| elif request.HasField('from_timestamp'): | 
|  |