Use size_t more consistently for packet/payload lengths.

See design doc at https://docs.google.com/a/chromium.org/document/d/1I6nmE9D_BmCY-IoV6MDPY2V6WYpEI-dg2apWXTfZyUI/edit?usp=sharing for more information.

This CL was reviewed and approved in pieces in the following CLs:
https://webrtc-codereview.appspot.com/24209004/
https://webrtc-codereview.appspot.com/24229004/
https://webrtc-codereview.appspot.com/24259004/
https://webrtc-codereview.appspot.com/25109004/
https://webrtc-codereview.appspot.com/26099004/
https://webrtc-codereview.appspot.com/27069004/
https://webrtc-codereview.appspot.com/27969004/
https://webrtc-codereview.appspot.com/27989004/
https://webrtc-codereview.appspot.com/29009004/
https://webrtc-codereview.appspot.com/30929004/
https://webrtc-codereview.appspot.com/30939004/
https://webrtc-codereview.appspot.com/31999004/
Committing as TBR to the original reviewers.

BUG=chromium:81439
TEST=none
TBR=pthatcher,henrik.lundin,tina.legrand,stefan,tkchin,glaznev,kjellander,perkj,mflodman,henrika,asapersson,niklas.enbom

Review URL: https://webrtc-codereview.appspot.com/23129004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@7726 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/webrtc/modules/audio_coding/main/test/Channel.h b/webrtc/modules/audio_coding/main/test/Channel.h
index cdb99c0..4ab32b9 100644
--- a/webrtc/modules/audio_coding/main/test/Channel.h
+++ b/webrtc/modules/audio_coding/main/test/Channel.h
@@ -27,7 +27,7 @@
 // TODO(turajs): Write constructor for this structure.
 struct ACMTestFrameSizeStats {
   uint16_t frameSizeSample;
-  int16_t maxPayloadLen;
+  size_t maxPayloadLen;
   uint32_t numPackets;
   uint64_t totalPayloadLenByte;
   uint64_t totalEncodedSamples;
@@ -39,7 +39,7 @@
 struct ACMTestPayloadStats {
   bool newPacket;
   int16_t payloadType;
-  int16_t lastPayloadLenByte;
+  size_t lastPayloadLenByte;
   uint32_t lastTimestamp;
   ACMTestFrameSizeStats frameSizeStats[MAX_NUM_FRAMESIZES];
 };
@@ -51,9 +51,11 @@
   ~Channel();
 
   virtual int32_t SendData(
-      const FrameType frameType, const uint8_t payloadType,
-      const uint32_t timeStamp, const uint8_t* payloadData,
-      const uint16_t payloadSize,
+      FrameType frameType,
+      uint8_t payloadType,
+      uint32_t timeStamp,
+      const uint8_t* payloadData,
+      size_t payloadSize,
       const RTPFragmentationHeader* fragmentation) OVERRIDE;
 
   void RegisterReceiverACM(AudioCodingModule *acm);
@@ -93,7 +95,7 @@
   }
 
  private:
-  void CalcStatistics(WebRtcRTPHeader& rtpInfo, uint16_t payloadSize);
+  void CalcStatistics(WebRtcRTPHeader& rtpInfo, size_t payloadSize);
 
   AudioCodingModule* _receiverACM;
   uint16_t _seqNo;