Change to calculate the real NTP in TimeTicks.

media/cast/rtcp/rtcp.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "media/cast/rtcp/rtcp.h"
 
 #include "base/debug/trace_event.h"
 #include "base/rand_util.h"
 #include "media/cast/cast_config.h"
 #include "media/cast/cast_defines.h"
@@ skipping 255 matching lines @@
                              &delay_seconds,
                              &delay_fraction);
       report_block.delay_since_last_sr =
           ConvertToNtpDiff(delay_seconds, delay_fraction);
     } else {
       report_block.delay_since_last_sr = 0;
     }
 
     packet_type_flags |= RtcpSender::kRtcpRrtr;
     RtcpReceiverReferenceTimeReport rrtr;
-    ConvertTimeToNtp(now, &rrtr.ntp_seconds, &rrtr.ntp_fraction);
+    ConvertTimeToFractions(now.ToInternalValue(),

[jar (doing other things), 2013/10/25 01:13:54]

nit: It is surprising to see ToInternalValue().  Do you really want the delta
from Time(), translated via ToMicroseconds()?

Reading the code, it sure seems like this method should have taken a TimeDelta.

+                           &rrtr.ntp_seconds, &rrtr.ntp_fraction);
 
     time_last_report_sent_ = now;
     last_report_sent_ = ConvertToNtpDiff(rrtr.ntp_seconds, rrtr.ntp_fraction);
 
     rtcp_sender_->SendRtcp(packet_type_flags,
                            NULL,
                            &report_block,
                            media_ssrc,
                            NULL,
                            &rrtr,
@@ skipping 122 matching lines @@
   int random = base::RandInt(0, 999);
   base::TimeDelta time_to_next = (rtcp_interval_ / 2) +
       (rtcp_interval_ * random / 1000);
 
   base::TimeTicks now = clock_->NowTicks();
   next_time_to_send_rtcp_ = now + time_to_next;
 }
 
 }  // namespace cast
 }  // namespace media