ParseMessageBlock  539 third_party/protobuf/src/google/protobuf/compiler/parser.cc   DO(ParseMessageBlock(message, message_location));
ParseMessageBlock  739 third_party/protobuf/src/google/protobuf/compiler/parser.cc       DO(ParseMessageBlock(group, group_location));
ParseMessageBlock  304 third_party/protobuf/src/google/protobuf/compiler/parser.h   bool ParseMessageBlock(DescriptorProto* message,