Roll chromium_revision a8e5140..c6076f2 (372922:372974) incl. update to Opus v.1.1.2

webrtc/modules/audio_coding/neteq/neteq_unittest.cc

Index: webrtc/modules/audio_coding/neteq/neteq_unittest.cc
diff --git a/webrtc/modules/audio_coding/neteq/neteq_unittest.cc b/webrtc/modules/audio_coding/neteq/neteq_unittest.cc
index f218f721ae99ec4b179d290696b0a01a11dba2c8..a304e8240a2719a159264b17cffbfd3e5bce7670 100644
--- a/webrtc/modules/audio_coding/neteq/neteq_unittest.cc
+++ b/webrtc/modules/audio_coding/neteq/neteq_unittest.cc
@@ -568,8 +568,12 @@ TEST_F(NetEqDecodingTest, MAYBE_TestOpusBitExactness) {
   const std::string input_rtp_file =
       webrtc::test::ResourcePath("audio_coding/neteq_opus", "rtp");
   const std::string input_ref_file =
+      // The pcm files were generated by using Opus v1.1.2 to decode the RTC
+      // file generated by Opus v1.1
       webrtc::test::ResourcePath("audio_coding/neteq4_opus_ref", "pcm");
   const std::string network_stat_ref_file =
+      // The network stats file was generated when using Opus v1.1.2 to decode
+      // the RTC file generated by Opus v1.1
       webrtc::test::ResourcePath("audio_coding/neteq4_opus_network_stats",
                                  "dat");
   const std::string rtcp_stat_ref_file =