Minor code redundancy cleanup.

media/cast/net/rtcp/rtcp_utility.cc

 // Copyright 2014 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/net/rtcp/rtcp_utility.h"
 
 #include "base/logging.h"
 #include "media/cast/net/cast_transport_defines.h"
 
 namespace media {
@@ skipping 294 matching lines @@
 
     switch (block_type) {
       case 4:  // RRTR. RFC3611 Section 4.4.
         if (block_length != 2)
           return false;
         if (!ParseExtendedReportReceiverReferenceTimeReport(reader,
                                                             remote_ssrc))
           return false;
         break;
 
-      case 5:  // DLRR. RFC3611 Section 4.5.
-        if (block_length % 3 != 0)
-          return false;
-        for (int block = 0; block < block_length / 3; block++)
-          if (!ParseExtendedReportDelaySinceLastReceiverReport(reader))
-            return false;
-        return true;
-
       default:
         // Skip unknown item.
         if (!reader->Skip(block_length * 4))
           return false;
     }
   }
 
   return true;
 }
 
 bool RtcpParser::ParseExtendedReportReceiverReferenceTimeReport(
     base::BigEndianReader* reader,
     uint32 remote_ssrc) {
   receiver_reference_time_report_.remote_ssrc = remote_ssrc;
   if(!reader->ReadU32(&receiver_reference_time_report_.ntp_seconds) ||
      !reader->ReadU32(&receiver_reference_time_report_.ntp_fraction))
     return false;
 
   has_receiver_reference_time_report_ = true;
   return true;
 }
 
-bool RtcpParser::ParseExtendedReportDelaySinceLastReceiverReport(
-    base::BigEndianReader* reader) {
-  uint32 ssrc, last_report, delay;
-  if (!reader->ReadU32(&ssrc) ||
-      !reader->ReadU32(&last_report) ||
-      !reader->ReadU32(&delay))
-    return false;
-
-  if (ssrc == remote_ssrc_) {
-    last_report_ = last_report;
-    delay_since_last_report_ = delay;
-    has_last_report_ = true;
-  }
-
-  has_last_report_ = true;
-  return true;
-}
-
 // Converts a log event type to an integer value.
 // NOTE: We have only allocated 4 bits to represent the type of event over the
 // wire. Therefore, this function can only return values from 0 to 15.
 uint8 ConvertEventTypeToWireFormat(CastLoggingEvent event) {
   switch (event) {
     case FRAME_ACK_SENT:
       return 11;
     case FRAME_PLAYOUT:
       return 12;
     case FRAME_DECODED:
@@ skipping 29 matching lines @@
     default:
       // If the sender adds new log messages we will end up here until we add
       // the new messages in the receiver.
       VLOG(1) << "Unexpected log message received: " << static_cast<int>(event);
       return UNKNOWN;
   }
 }
 
 }  // namespace cast
 }  // namespace media