Adding expand / secondary decode rate to WebRTC regression monitoring.

chrome/browser/media/webrtc_browsertest_perf.cc

Index: chrome/browser/media/webrtc_browsertest_perf.cc
diff --git a/chrome/browser/media/webrtc_browsertest_perf.cc b/chrome/browser/media/webrtc_browsertest_perf.cc
index c6747d74035feecdcb90b2ccfe38b8024e5323e6..d87ee56540990a2169a3f8a818f0e3427ce1f544 100644
--- a/chrome/browser/media/webrtc_browsertest_perf.cc
+++ b/chrome/browser/media/webrtc_browsertest_perf.cc
@@ -36,6 +36,19 @@ static bool MaybePrintResultsForAudioReceive(
   perf_test::PrintResult(
       "audio_misc", modifier, "packets_lost", value, "frames", false);
 
+  EXPECT_TRUE(pc_dict.GetString(Statistic("googExpandRate", ssrc), &value));

[minyue, 2015/03/09 11:56:01]

googSpeechExpandRate and googSecondaryDecodedRate are new

wasn't even googExpandRate used before?

[phoglund_chromium, 2015/03/09 12:05:12]

Nope, apparently not. I made this test a while back and it probably didn't exist
by then.

+  perf_test::PrintResult(
+      "audio_rates", modifier, "goog_expand_rate", value, "%", false);
+  EXPECT_TRUE(
+      pc_dict.GetString(Statistic("googSpeechExpandRate", ssrc), &value));
+  perf_test::PrintResult(
+      "audio_rates", modifier, "goog_speech_expand_rate", value, "%", false);
+  EXPECT_TRUE(
+      pc_dict.GetString(Statistic("googSecondaryDecodedRate", ssrc), &value));
+  perf_test::PrintResult(
+      "audio_rates", modifier, "goog_secondary_decoded_rate", value, "%",
+      false);
+
   return true;
 }