Convert media constants to constexpr.

testing/libfuzzer/fuzzers/es_parser_adts_fuzzer.cc

Index: testing/libfuzzer/fuzzers/es_parser_adts_fuzzer.cc
diff --git a/testing/libfuzzer/fuzzers/es_parser_adts_fuzzer.cc b/testing/libfuzzer/fuzzers/es_parser_adts_fuzzer.cc
index b3da40761954042280c9fd2ba6fb60e338afac3d..756a25975e8e13ce56d0015c8a7e6ac1a112f18d 100644
--- a/testing/libfuzzer/fuzzers/es_parser_adts_fuzzer.cc
+++ b/testing/libfuzzer/fuzzers/es_parser_adts_fuzzer.cc
@@ -15,7 +15,7 @@ static void EmitBuffer(scoped_refptr<media::StreamParserBuffer> buffer) {}
 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
   media::mp2t::EsParserAdts es_parser(base::Bind(&NewAudioConfig),
                                       base::Bind(&EmitBuffer), true);
-  if (!es_parser.Parse(data, size, media::kNoTimestamp(),
+  if (!es_parser.Parse(data, size, media::kNoTimestamp,
                        media::kNoDecodeTimestamp())) {

[mmoroz, 2016/07/19 08:50:33]

Sorry if |kNoDecodeTimestamp()| shouldn't be replaced, but just to clarify. Used
in next two fuzzers as well.

     return 0;
   }