Move PacedSender ownership to RtpTransportControllerSend.

webrtc/call/rtp_transport_controller_send_interface.h

Index: webrtc/call/rtp_transport_controller_send_interface.h
diff --git a/webrtc/call/rtp_transport_controller_send_interface.h b/webrtc/call/rtp_transport_controller_send_interface.h
index bd71da02e948db6aea77e5b9d75d924a9784846d..b58042197ebea8ad0184a53ece0a5d61477527d4 100644
--- a/webrtc/call/rtp_transport_controller_send_interface.h
+++ b/webrtc/call/rtp_transport_controller_send_interface.h
@@ -13,6 +13,7 @@
 
 namespace webrtc {
 
+class PacedSender;
 class PacketRouter;
 class RtpPacketSender;
 struct RtpKeepAliveConfig;
@@ -46,12 +47,25 @@ class RtpTransportControllerSendInterface {
  public:
   virtual ~RtpTransportControllerSendInterface() {}
   virtual PacketRouter* packet_router() = 0;
+  virtual PacedSender* pacer() = 0;
   // Currently returning the same pointer, but with different types.
   virtual SendSideCongestionController* send_side_cc() = 0;
   virtual TransportFeedbackObserver* transport_feedback_observer() = 0;
 
   virtual RtpPacketSender* packet_sender() = 0;
   virtual const RtpKeepAliveConfig& keepalive_config() const = 0;
+
+  // SetAllocatedSendBitrateLimits sets bitrates limits imposed by send codec
+  // settings.
+  // |min_send_bitrate_bps| is the total minimum send bitrate required by all
+  // sending streams.  This is the minimum bitrate the PacedSender will use.
+  // Note that SendSideCongestionController::OnNetworkChanged can still be
+  // called with a lower bitrate estimate. |max_padding_bitrate_bps| is the max
+  // bitrate the send streams request for padding. This can be higher than the
+  // current network estimate and tells the PacedSender how much it should max
+  // pad unless there is real packets to send.
+  virtual void SetAllocatedSendBitrateLimits(int min_send_bitrate_bps,
+                                             int max_padding_bitrate_bps) = 0;
 };
 
 }  // namespace webrtc