Using struct for bitrate allocation limits.

Bug: webrtc:9883
Change-Id: I855c29808ffa14626d78842491fdf81cd00589e6
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/153344
Commit-Queue: Sebastian Jansson <srte@webrtc.org>
Reviewed-by: Oskar Sundbom <ossu@webrtc.org>
Reviewed-by: Niels Moller <nisse@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#29227}

call/rtp_transport_controller_send_interface.h

diff --git a/call/rtp_transport_controller_send_interface.h b/call/rtp_transport_controller_send_interface.h
index 1ad2b63..7567703 100644
--- a/call/rtp_transport_controller_send_interface.h
+++ b/call/rtp_transport_controller_send_interface.h
@@ -123,15 +123,8 @@
 
   // 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.
-  // |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,
-                                             int total_bitrate_bps) = 0;
+  virtual void SetAllocatedSendBitrateLimits(
+      BitrateAllocationLimits limits) = 0;
 
   virtual void SetPacingFactor(float pacing_factor) = 0;
   virtual void SetQueueTimeLimit(int limit_ms) = 0;