Adding CastRemotingSender for media remoting.

media/cast/net/cast_transport.h

 // 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.
 
 // This is the main interface for the cast transport sender.  It accepts encoded
 // frames (both audio and video), encrypts their encoded data, packetizes them
 // and feeds them into a transport (e.g., UDP).
 
 // Construction of the Cast Sender and the Cast Transport should be done
 // in the following order:
@@ skipping 96 matching lines @@
 
   virtual ~CastTransport() {}
 
   // Audio/Video initialization.
   // Encoded frames cannot be transmitted until the relevant initialize method
   // is called.
   virtual void InitializeStream(const CastTransportRtpConfig& config,
                                 std::unique_ptr<RtcpObserver> rtcp_observer) {}
 
   // Encrypt, packetize and transmit |frame|. |ssrc| must refer to a
-  // a channel already established with InitializeAudio / InitializeVideo.
+  // a channel already established with InitializeStream.
   virtual void InsertFrame(uint32_t ssrc, const EncodedFrame& frame) = 0;
 
   // Sends a RTCP sender report to the receiver.
   // |ssrc| is the SSRC for this report.
   // |current_time| is the current time reported by a tick clock.
   // |current_time_as_rtp_timestamp| is the corresponding RTP timestamp.
   virtual void SendSenderReport(uint32_t ssrc,
                                 base::TimeTicks current_time,
                                 RtpTimeTicks current_time_as_rtp_timestamp) = 0;
 
@@ skipping 40 matching lines @@
   virtual void SendRtcpFromRtpReceiver() = 0;
 
   // Set options for the PacedSender and Wifi.
   virtual void SetOptions(const base::DictionaryValue& options) = 0;
 };
 
 }  // namespace cast
 }  // namespace media
 
 #endif  // MEDIA_CAST_NET_CAST_TRANSPORT_H_