Adding "rtp_timebase" variable in lieu of "frequency" for FrameReceiverConfig structure.

media/cast/cast_config.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/cast_config.h"
 
 namespace media {
 namespace cast {
 
 // TODO(miu): Revisit code factoring of these structs.  There are a number of
@@ skipping 47 matching lines @@
       codec(CODEC_AUDIO_OPUS) {}
 
 AudioSenderConfig::~AudioSenderConfig() {}
 
 FrameReceiverConfig::FrameReceiverConfig()
     : feedback_ssrc(0),
       incoming_ssrc(0),
       rtcp_interval(kDefaultRtcpIntervalMs),
       rtp_max_delay_ms(kDefaultRtpMaxDelayMs),
       rtp_payload_type(0),
-      frequency(0),
+      rtp_timebase(0),
       channels(0),
       target_frame_rate(0),
       codec(CODEC_UNKNOWN) {}
 
 FrameReceiverConfig::~FrameReceiverConfig() {}
 
 }  // namespace cast
 }  // namespace media