Allows injection of network controller factory into peer connection factory.

Bug: webrtc:9155
Change-Id: I0a17024042f154297aba20f5d2dc766feb27f3f7
Reviewed-on: https://webrtc-review.googlesource.com/73123
Commit-Queue: Sebastian Jansson <srte@webrtc.org>
Reviewed-by: Taylor Brandstetter <deadbeef@webrtc.org>
Reviewed-by: Stefan Holmer <stefan@webrtc.org>
Reviewed-by: Niels Moller <nisse@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#23313}
diff --git a/call/rtp_transport_controller_send.h b/call/rtp_transport_controller_send.h
index 67248b2..25b1127 100644
--- a/call/rtp_transport_controller_send.h
+++ b/call/rtp_transport_controller_send.h
@@ -15,6 +15,7 @@
 #include <memory>
 #include <string>
 
+#include "api/transport/network_control.h"
 #include "call/rtp_bitrate_configurator.h"
 #include "call/rtp_transport_controller_send_interface.h"
 #include "common_types.h"  // NOLINT(build/include)
@@ -36,9 +37,11 @@
     : public RtpTransportControllerSendInterface,
       public NetworkChangedObserver {
  public:
-  RtpTransportControllerSend(Clock* clock,
-                             RtcEventLog* event_log,
-                             const BitrateConstraints& bitrate_config);
+  RtpTransportControllerSend(
+      Clock* clock,
+      RtcEventLog* event_log,
+      NetworkControllerFactoryInterface* controller_factory,
+      const BitrateConstraints& bitrate_config);
   ~RtpTransportControllerSend() override;
 
   // Implements NetworkChangedObserver interface.