Add screenshare perf tests with lossy links

webrtc/video/full_stack.cc

Index: webrtc/video/full_stack.cc
diff --git a/webrtc/video/full_stack.cc b/webrtc/video/full_stack.cc
index 8fdccfdef8020256ecf7b64a2e62f45a8d41f9ef..e870c1ff14f2cd6def267d5bacb68f025fb2bad3 100644
--- a/webrtc/video/full_stack.cc
+++ b/webrtc/video/full_stack.cc
@@ -145,6 +145,30 @@ TEST_F(FullStackTest, ScreenshareSlidesVP8_2TL_Scroll) {
   RunTest(config);
 }
 
+TEST_F(FullStackTest, ScreenshareSlidesVP8_2TL_LossyNet) {
+  VideoQualityTest::Params screenshare = {
+      {1850, 1110, 5, 50000, 200000, 2000000, "VP8", 2, 1, 400000},
+      {},          // Video-specific.
+      {true, 10},  // Screenshare-specific.
+      {"screenshare_slides_lossy_net", 0.0, 0.0, kFullStackTestDurationSecs}};
+  screenshare.pipe.loss_percent = 5;
+  screenshare.pipe.queue_delay_ms = 200;
+  screenshare.pipe.link_capacity_kbps = 500;
+  RunTest(screenshare);
+}
+
+TEST_F(FullStackTest, ScreenshareSlidesVP8_2TL_VeryLossyNet) {
+  VideoQualityTest::Params screenshare = {
+      {1850, 1110, 5, 50000, 200000, 2000000, "VP8", 2, 1, 400000},
+      {},          // Video-specific.
+      {true, 10},  // Screenshare-specific.
+      {"screenshare_slides_very_lossy", 0.0, 0.0, kFullStackTestDurationSecs}};
+  screenshare.pipe.loss_percent = 10;
+  screenshare.pipe.queue_delay_ms = 200;
+  screenshare.pipe.link_capacity_kbps = 500;
+  RunTest(screenshare);
+}
+
 TEST_F(FullStackTest, ScreenshareSlidesVP9_2SL) {
   VideoQualityTest::Params screenshare = {
       {1850, 1110, 5, 50000, 200000, 2000000, "VP9", 1, 0, 400000},