Add QP stats for sent video streams to StatsReport.

talk/media/webrtc/webrtcvideoengine2_unittest.cc

Index: talk/media/webrtc/webrtcvideoengine2_unittest.cc
diff --git a/talk/media/webrtc/webrtcvideoengine2_unittest.cc b/talk/media/webrtc/webrtcvideoengine2_unittest.cc
index 832c4d06233a71c40c6c1749eb9f88e626554095..985d92a0bb0c8f020e4c3a4688cb1a6afe8a10b1 100644
--- a/talk/media/webrtc/webrtcvideoengine2_unittest.cc
+++ b/talk/media/webrtc/webrtcvideoengine2_unittest.cc
@@ -2472,6 +2472,26 @@ TEST_F(WebRtcVideoChannel2Test, GetStatsReportsUpperResolution) {
   EXPECT_EQ(90, info.senders[0].send_frame_height);
 }
 
+TEST_F(WebRtcVideoChannel2Test, GetStatsReportsQpForUpperResolution) {
+  FakeVideoSendStream* stream = AddSendStream();
+  webrtc::VideoSendStream::Stats stats;
+  stats.substreams[17].width = 320;
+  stats.substreams[17].height = 180;
+  stats.substreams[17].qp = 20;
+  stats.substreams[42].width = 1280;
+  stats.substreams[42].height = 720;
+  stats.substreams[42].qp = 21;
+  stats.substreams[11].width = 640;
+  stats.substreams[11].height = 360;
+  stats.substreams[11].qp = 22;
+  stream->SetStats(stats);
+
+  cricket::VideoMediaInfo info;
+  ASSERT_TRUE(channel_->GetStats(&info));
+  ASSERT_EQ(1u, info.senders.size());
+  EXPECT_EQ(21, info.senders[0].qp);
+}
+
 TEST_F(WebRtcVideoChannel2Test, GetStatsTracksAdaptationStats) {
   AddSendStream(cricket::CreateSimStreamParams("cname", MAKE_VECTOR(kSsrcs3)));