RTCMediaStreamTrackStats.framesDropped collected by RTCStatsCollector.

webrtc/api/rtcstatscollector_unittest.cc

Index: webrtc/api/rtcstatscollector_unittest.cc
diff --git a/webrtc/api/rtcstatscollector_unittest.cc b/webrtc/api/rtcstatscollector_unittest.cc
index f1877e66924f6ff2073e6759661d3f899946b257..fb97cdbecca5b90f86c9e90ce2b7db30b5675eff 100644
--- a/webrtc/api/rtcstatscollector_unittest.cc
+++ b/webrtc/api/rtcstatscollector_unittest.cc
@@ -1533,7 +1533,8 @@ TEST_F(RTCStatsCollectorTest,
   video_receiver_info_ssrc3.local_stats[0].ssrc = 3;
   video_receiver_info_ssrc3.frame_width = 6789;
   video_receiver_info_ssrc3.frame_height = 9876;
-  video_receiver_info_ssrc3.frames_received = 2468;
+  video_receiver_info_ssrc3.frames_received = 1000;
+  video_receiver_info_ssrc3.frames_rendered = 990;
 
   // Remote audio track with undefined (default) values
   rtc::scoped_refptr<MediaStreamTrackInterface> remote_video_track_ssrc4 =
@@ -1548,6 +1549,7 @@ TEST_F(RTCStatsCollectorTest,
   video_receiver_info_ssrc4.frame_width = 0;
   video_receiver_info_ssrc4.frame_height = 0;
   video_receiver_info_ssrc4.frames_received = 0;
+  video_receiver_info_ssrc4.frames_rendered = 0;
 
   test_->CreateMockRtpSendersReceiversAndChannels(
       {}, {},
@@ -1620,7 +1622,8 @@ TEST_F(RTCStatsCollectorTest,
   expected_remote_video_track_ssrc3.detached = false;
   expected_remote_video_track_ssrc3.frame_width = 6789;
   expected_remote_video_track_ssrc3.frame_height = 9876;
-  expected_remote_video_track_ssrc3.frames_received = 2468;
+  expected_remote_video_track_ssrc3.frames_received = 1000;
+  expected_remote_video_track_ssrc3.frames_dropped = 1000 - 990;
   ASSERT_TRUE(report->Get(expected_remote_video_track_ssrc3.id()));
   EXPECT_EQ(expected_remote_video_track_ssrc3,
             report->Get(expected_remote_video_track_ssrc3.id())->cast_to<
@@ -1635,6 +1638,7 @@ TEST_F(RTCStatsCollectorTest,
   expected_remote_video_track_ssrc4.ended = false;
   expected_remote_video_track_ssrc4.detached = false;
   expected_remote_video_track_ssrc4.frames_received = 0;
+  expected_remote_video_track_ssrc4.frames_dropped = 0;
   // Should be undefined: |expected_remote_video_track_ssrc4.frame_width| and
   // |expected_remote_video_track_ssrc4.frame_height|.
   ASSERT_TRUE(report->Get(expected_remote_video_track_ssrc4.id()));