[NOT FOR REVIEW] Convert channel counts to size_t.

webrtc/video_engine/vie_channel.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 208 matching lines @@
 
   // Called on any new send bitrate estimate.
   void RegisterSendBitrateObserver(BitrateStatisticsObserver* observer);
 
   // Implements RtpFeedback.
   virtual int32_t OnInitializeDecoder(
       const int32_t id,
       const int8_t payload_type,
       const char payload_name[RTP_PAYLOAD_NAME_SIZE],
       const int frequency,
-      const uint8_t channels,
+      const size_t channels,
       const uint32_t rate);
   virtual void OnIncomingSSRCChanged(const int32_t id,
                                      const uint32_t ssrc);
   virtual void OnIncomingCSRCChanged(const int32_t id,
                                      const uint32_t CSRC,
                                      const bool added);
 
   int32_t SetRemoteSSRCType(const StreamType usage, const uint32_t SSRC);
 
   int32_t StartSend();
@@ skipping 243 matching lines @@
   const rtc::scoped_ptr<ReportBlockStats> report_block_stats_sender_;
 
   // RtpRtcp modules, declared last as they use other members on construction.
   const std::vector<RtpRtcp*> rtp_rtcp_modules_;
   size_t num_active_rtp_rtcp_modules_ GUARDED_BY(crit_);
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_VIDEO_ENGINE_VIE_CHANNEL_H_