Fix FFmpegAudioDecoder monotonically increasing timestamp check to ignore kNoTimestamp()

media/ffmpeg/ffmpeg_regression_tests.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
 // Regression tests for FFmpeg.  Security test files can be found in the
 // internal media test data directory:
 //
 //    svn://svn.chromium.org/chrome-internal/trunk/data/media/security/
 //
 // Simply add the custom_dep below to your gclient and sync:
@@ skipping 127 matching lines @@
                  "da909399f17e8f8ad7f1fcb3c4ccc33a");
 FFMPEG_TEST_CASE(Cr132779, "security/132779.webm",
                  DEMUXER_ERROR_COULD_NOT_PARSE, DEMUXER_ERROR_COULD_NOT_PARSE,
                  kNullHash, kNullHash);
 FFMPEG_TEST_CASE(Cr140165, "security/140165.ogg", PIPELINE_ERROR_DECODE,
                  PIPELINE_ERROR_DECODE, kNullHash,
                  "bd42757e42bdada18cb9441ee4ef8313");
 FFMPEG_TEST_CASE(Cr140647, "security/140647.ogv",
                  DECODER_ERROR_NOT_SUPPORTED, DECODER_ERROR_NOT_SUPPORTED,
                  kNullHash, kNullHash);
+FFMPEG_TEST_CASE(Cr142738, "content/crbug142738.ogg", PIPELINE_OK, PIPELINE_OK,
+                 kNullHash,
+                 "70deafc85a38a6711a3441c8a75414c2");
 
 // General MKV test cases.
 FFMPEG_TEST_CASE(MKV_0, "security/nested_tags_lang.mka.627.628", PIPELINE_OK,
                  PIPELINE_ERROR_DECODE, kNullHash,
                  "abc9702fc46f49d6f26da5c62d118cf7");
 FFMPEG_TEST_CASE(MKV_1, "security/nested_tags_lang.mka.667.628", PIPELINE_OK,
                  PIPELINE_ERROR_DECODE, kNullHash,
                  "414669ce405e681bda578f90c6c08951");
 
 // General MP4 test cases.
@@ skipping 194 matching lines @@
 }
 
 TEST_P(FlakyFFmpegRegressionTest, BasicPlayback) {
   if (Start(GetTestDataURL(GetParam().filename))) {
     Play();
     WaitUntilEndedOrError();
   }
 }
 
 }  // namespace media