message: Use MockConverter in calculator_rewriter_test.cc.
diff: @@ -802,6 +802,7 @@ cc_test_mozc(
  "//converter:converter_interface",
  "//converter:converter_mock",
  "//converter:segments",
  + "//converter:segments_matchers",
  "//engine:engine_interface",
  "//engine:mock_data_engine_factory",
  "//protocol:commands_cc_proto",
  