Give performance_browser_tests lots of love and attention.

media/cast/test/utility/udp_proxy_main.cc

Index: media/cast/test/utility/udp_proxy_main.cc
diff --git a/media/cast/test/utility/udp_proxy_main.cc b/media/cast/test/utility/udp_proxy_main.cc
index 98c289831e8a5c60aa552a26c7ca74e5714e0902..073583f0998c9f634c4e37aa8c21fa297da11013 100644
--- a/media/cast/test/utility/udp_proxy_main.cc
+++ b/media/cast/test/utility/udp_proxy_main.cc
@@ -143,7 +143,8 @@ int main(int argc, char** argv) {
             "Usage: udp_proxy <localport> <remotehost> <remoteport> <type>\n"
             "or:\n"
             "       udp_proxy <localport> <type>\n"
-            "Where type is one of: perfect, wifi, bad, evil, poisson-wifi\n");
+            "Where type is one of:\n"
+            "    perfect, wifi, slow, bad, evil, poisson-wifi\n");
     exit(1);
   }
 
@@ -179,6 +180,9 @@ int main(int argc, char** argv) {
   } else if (network_type == "wifi") {
     in_pipe = media::cast::test::WifiNetwork();
     out_pipe = media::cast::test::WifiNetwork();
+  } else if (network_type == "slow") {
+    in_pipe = media::cast::test::SlowNetwork();
+    out_pipe = media::cast::test::SlowNetwork();
   } else if (network_type == "bad") {
     in_pipe = media::cast::test::BadNetwork();
     out_pipe = media::cast::test::BadNetwork();