MessageSetItemByteSize  501 third_party/protobuf/src/google/protobuf/extension_set.h     int MessageSetItemByteSize(int number) const;
MessageSetItemByteSize  704 third_party/protobuf/src/google/protobuf/extension_set_heavy.cc     total_size += iter->second.MessageSetItemByteSize(iter->first);
MessageSetItemByteSize  610 third_party/protobuf/src/google/protobuf/wire_format.cc     return MessageSetItemByteSize(field, message);
MessageSetItemByteSize  165 third_party/protobuf/src/google/protobuf/wire_format.h   static int MessageSetItemByteSize(