Incorporating logging into Cast

media/cast/rtcp/rtcp.h

Index: media/cast/rtcp/rtcp.h
diff --git a/media/cast/rtcp/rtcp.h b/media/cast/rtcp/rtcp.h
index 2e2bc91a673db74a72f870945779e237cdbe640a..a188039f6fbac145f91200290d039060b5bf55be 100644
--- a/media/cast/rtcp/rtcp.h
+++ b/media/cast/rtcp/rtcp.h
@@ -16,6 +16,7 @@
 #include "base/time/time.h"
 #include "media/cast/cast_config.h"
 #include "media/cast/cast_defines.h"
+#include "media/cast/cast_environment.h"
 #include "media/cast/rtcp/rtcp_defines.h"
 
 namespace media {
@@ -54,7 +55,7 @@ class RtpReceiverStatistics {
 
 class Rtcp {
  public:
-  Rtcp(base::TickClock* clock,
+  Rtcp(scoped_refptr<CastEnvironment> cast_environment,
        RtcpSenderFeedback* sender_feedback,
        PacedPacketSender* paced_packet_sender,
        RtpSenderStatistics* rtp_sender_statistics,
@@ -114,7 +115,7 @@ class Rtcp {
 
   void UpdateNextTimeToSendRtcp();
 
-  base::TickClock* const clock_;  // Not owned by this class.
+  scoped_refptr<CastEnvironment> cast_environment_;
   const base::TimeDelta rtcp_interval_;
   const RtcpMode rtcp_mode_;
   const bool sending_media_;