Cast: IPC glue between cast library transport and encoders.

media/cast/video_sender/video_sender.cc

Index: media/cast/video_sender/video_sender.cc
diff --git a/media/cast/video_sender/video_sender.cc b/media/cast/video_sender/video_sender.cc
index 308142214eb4fd3c2bd8b9a2dba1d3b5ffa620fb..2ffc077fafb76b0c719e4e0ffbd7ce1b610d4369 100644
--- a/media/cast/video_sender/video_sender.cc
+++ b/media/cast/video_sender/video_sender.cc
@@ -66,7 +66,7 @@ class LocalRtpVideoSenderStatistics : public RtpSenderStatistics {
     memcpy(sender_info, &sender_info_, sizeof(transport::RtcpSenderInfo));
   }
 
-  void StoreStatistics(transport::RtcpSenderInfo& sender_info,
+  void StoreStatistics(const transport::RtcpSenderInfo& sender_info,
                        base::TimeTicks time_sent,
                        uint32 rtp_timestamp) {
     sender_info_ = sender_info;