testParseMessageSetExtensionWithFlag  450 third_party/protobuf/java/src/test/java/com/google/protobuf/WireFormatTest.java     testParseMessageSetExtensionWithFlag(true);
testParseMessageSetExtensionWithFlag  454 third_party/protobuf/java/src/test/java/com/google/protobuf/WireFormatTest.java     testParseMessageSetExtensionWithFlag(false);