Add codec name to CodecSpecificInfo and get the codec name stats from there instead.

webrtc/video/send_statistics_proxy_unittest.cc

 /*
  *  Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 128 matching lines @@
     callback->StatisticsUpdated(ssrc_stats.rtcp_stats, ssrc);
   }
   VideoSendStream::Stats stats = statistics_proxy_->GetStats();
   ExpectEqual(expected_, stats);
 }
 
 TEST_F(SendStatisticsProxyTest, EncodedBitrateAndFramerate) {
   int media_bitrate_bps = 500;
   int encode_fps = 29;
 
-  statistics_proxy_->OnEncoderStatsUpdate(encode_fps, media_bitrate_bps,
-                                          "encoder name");
+  statistics_proxy_->OnEncoderStatsUpdate(encode_fps, media_bitrate_bps);
 
   VideoSendStream::Stats stats = statistics_proxy_->GetStats();
   EXPECT_EQ(media_bitrate_bps, stats.media_bitrate_bps);
   EXPECT_EQ(encode_fps, stats.encode_frame_rate);
-  EXPECT_EQ("encoder name", stats.encoder_implementation_name);
 }
 
 TEST_F(SendStatisticsProxyTest, Suspended) {
   // Verify that the value is false by default.
   EXPECT_FALSE(statistics_proxy_->GetStats().suspended);
 
   // Verify that we can set it to true.
   statistics_proxy_->OnSuspendChange(true);
   EXPECT_TRUE(statistics_proxy_->GetStats().suspended);
 
@@ skipping 574 matching lines @@
 
   EXPECT_EQ(
       1, metrics::NumSamples("WebRTC.Video.Screenshare.FecBitrateSentInKbps"));
   EXPECT_EQ(1, metrics::NumEvents(
                    "WebRTC.Video.Screenshare.FecBitrateSentInKbps",
                    static_cast<int>((rtx_counters.fec.TotalBytes() * 2 * 8) /
                                     metrics::kMinRunTimeInSeconds / 1000)));
 }
 
 }  // namespace webrtc