DeleteByNumber    132 third_party/protobuf/src/google/protobuf/unknown_field_set.h   void DeleteByNumber(int number);
DeleteByNumber    553 third_party/protobuf/src/google/protobuf/unknown_field_set_unittest.cc   unknown_fields.DeleteByNumber(deleted_number);
DeleteByNumber    562 third_party/protobuf/src/google/protobuf/unknown_field_set_unittest.cc TEST_F(UnknownFieldSetTest, DeleteByNumber) {