Revert of Fix race / crash in OnNetworkRouteChanged().

webrtc/modules/congestion_controller/BUILD.gn

Index: webrtc/modules/congestion_controller/BUILD.gn
diff --git a/webrtc/modules/congestion_controller/BUILD.gn b/webrtc/modules/congestion_controller/BUILD.gn
index 1069d624ffefac697b6e74dea0ac63ceb359729d..758fba59d86f156dd76a1353c15d8cb6513c5fcb 100644
--- a/webrtc/modules/congestion_controller/BUILD.gn
+++ b/webrtc/modules/congestion_controller/BUILD.gn
@@ -18,8 +18,6 @@
     "probe_bitrate_estimator.h",
     "probe_controller.cc",
     "probe_controller.h",
-    "transport_feedback_adapter.cc",
-    "transport_feedback_adapter.h",
   ]
 
   # TODO(jschuh): Bug 1348: fix this warning.
@@ -34,5 +32,6 @@
   deps = [
     "../bitrate_controller",
     "../pacing",
+    "../remote_bitrate_estimator",
   ]
 }