[NOT FOR REVIEW] Convert channel counts to size_t.

webrtc/modules/audio_coding/main/acm2/acm_codec_database.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 133 matching lines @@
   // owns_decoder         - if true, it means that the codec should own the
   //                        decoder instance. In this case, the codec should
   //                        implement ACMGenericCodec::Decoder(), which returns
   //                        a pointer to AudioDecoder. This pointer is injected
   //                        into NetEq when this codec is registered as receive
   //                        codec. DEPRECATED.
   struct CodecSettings {
     int num_packet_sizes;
     int packet_sizes_samples[kMaxNumPacketSize];
     int basic_block_samples;
-    int channel_support;
+    size_t channel_support;
     bool owns_decoder;
   };
 
   // Gets codec information from database at the position in database given by
   // [codec_id].
   // Input:
   //   [codec_id] - number that specifies at what position in the database to
   //                get the information.
   // Output:
   //   [codec_inst] - filled with information about the codec.
   // Return:
   //   0 if successful, otherwise -1.
   static int Codec(int codec_id, CodecInst* codec_inst);
 
   // Returns codec id from database, given the information received in the input
   // [codec_inst].
   // Input:
   //   [codec_inst] - Information about the codec for which we require the
   //                  database id.
   // Return:
   //   codec id if successful, otherwise < 0.
   static int CodecNumber(const CodecInst& codec_inst);
   static int CodecId(const CodecInst& codec_inst);
-  static int CodecId(const char* payload_name, int frequency, int channels);
+  static int CodecId(const char* payload_name, int frequency, size_t channels);
   static int ReceiverCodecNumber(const CodecInst& codec_inst);
 
   // Returns the codec sampling frequency for codec with id = "codec_id" in
   // database.
   // TODO(tlegrand): Check if function is needed, or if we can change
   // to access database directly.
   // Input:
   //   [codec_id] - number that specifies at what position in the database to
   //                get the information.
   // Return:
@@ skipping 52 matching lines @@
   static const CodecInst database_[kMaxNumCodecs];
   static const CodecSettings codec_settings_[kMaxNumCodecs];
   static const NetEqDecoder neteq_decoders_[kMaxNumCodecs];
 };
 
 }  // namespace acm2
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_AUDIO_CODING_MAIN_ACM2_ACM_CODEC_DATABASE_H_