[NOT FOR REVIEW] Convert channel counts to size_t.

webrtc/modules/rtp_rtcp/interface/rtp_receiver.h

 /*
  *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 43 matching lines @@
 
   // Returns a TelephoneEventHandler if available.
   virtual TelephoneEventHandler* GetTelephoneEventHandler() = 0;
 
   // Registers a receive payload in the payload registry and notifies the media
   // receiver strategy.
   virtual int32_t RegisterReceivePayload(
       const char payload_name[RTP_PAYLOAD_NAME_SIZE],
       const int8_t payload_type,
       const uint32_t frequency,
-      const uint8_t channels,
+      const size_t channels,
       const uint32_t rate) = 0;
 
   // De-registers |payload_type| from the payload registry.
   virtual int32_t DeRegisterReceivePayload(const int8_t payload_type) = 0;
 
   // Parses the media specific parts of an RTP packet and updates the receiver
   // state. This for instance means that any changes in SSRC and payload type is
   // detected and acted upon.
   virtual bool IncomingRtpPacket(const RTPHeader& rtp_header,
                                  const uint8_t* payload,
@@ skipping 19 matching lines @@
 
   // Returns the current remote CSRCs.
   virtual int32_t CSRCs(uint32_t array_of_csrc[kRtpCsrcSize]) const = 0;
 
   // Returns the current energy of the RTP stream received.
   virtual int32_t Energy(uint8_t array_of_energy[kRtpCsrcSize]) const = 0;
 };
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_RTP_RTCP_INTERFACE_RTP_RECEIVER_H_