Convert channel counts to size_t.

webrtc/voice_engine/voe_base_impl.h

Index: webrtc/voice_engine/voe_base_impl.h
diff --git a/webrtc/voice_engine/voe_base_impl.h b/webrtc/voice_engine/voe_base_impl.h
index 167aacdb113a1738444b2e47811bede9c37cb010..58e0387423a31143b17bd5ff7091c2f845653a9d 100644
--- a/webrtc/voice_engine/voe_base_impl.h
+++ b/webrtc/voice_engine/voe_base_impl.h
@@ -57,7 +57,7 @@ class VoEBaseImpl : public VoEBase,
   int32_t RecordedDataIsAvailable(const void* audioSamples,
                                   const size_t nSamples,
                                   const size_t nBytesPerSample,
-                                  const uint8_t nChannels,
+                                  const size_t nChannels,
                                   const uint32_t samplesPerSec,
                                   const uint32_t totalDelayMS,
                                   const int32_t clockDrift,
@@ -66,17 +66,17 @@ class VoEBaseImpl : public VoEBase,
                                   uint32_t& newMicLevel) override;
   int32_t NeedMorePlayData(const size_t nSamples,
                            const size_t nBytesPerSample,
-                           const uint8_t nChannels,
+                           const size_t nChannels,
                            const uint32_t samplesPerSec,
                            void* audioSamples,
                            size_t& nSamplesOut,
                            int64_t* elapsed_time_ms,
                            int64_t* ntp_time_ms) override;
   int OnDataAvailable(const int voe_channels[],
-                      int number_of_voe_channels,
+                      size_t number_of_voe_channels,
                       const int16_t* audio_data,
                       int sample_rate,
-                      int number_of_channels,
+                      size_t number_of_channels,
                       size_t number_of_frames,
                       int audio_delay_milliseconds,
                       int current_volume,
@@ -86,17 +86,17 @@ class VoEBaseImpl : public VoEBase,
               const void* audio_data,
               int bits_per_sample,
               int sample_rate,
-              int number_of_channels,
+              size_t number_of_channels,
               size_t number_of_frames) override;
   void PushCaptureData(int voe_channel,
                        const void* audio_data,
                        int bits_per_sample,
                        int sample_rate,
-                       int number_of_channels,
+                       size_t number_of_channels,
                        size_t number_of_frames) override;
   void PullRenderData(int bits_per_sample,
                       int sample_rate,
-                      int number_of_channels,
+                      size_t number_of_channels,
                       size_t number_of_frames,
                       void* audio_data,
                       int64_t* elapsed_time_ms,
@@ -124,12 +124,12 @@ class VoEBaseImpl : public VoEBase,
   // It returns new AGC microphone volume or 0 if no volume changes
   // should be done.
   int ProcessRecordedDataWithAPM(
-      const int voe_channels[], int number_of_voe_channels,
-      const void* audio_data, uint32_t sample_rate, uint8_t number_of_channels,
+      const int voe_channels[], size_t number_of_voe_channels,
+      const void* audio_data, uint32_t sample_rate, size_t number_of_channels,
       size_t number_of_frames, uint32_t audio_delay_milliseconds,
       int32_t clock_drift, uint32_t volume, bool key_pressed);
 
-  void GetPlayoutData(int sample_rate, int number_of_channels,
+  void GetPlayoutData(int sample_rate, size_t number_of_channels,
                       size_t number_of_frames, bool feed_data_to_apm,
                       void* audio_data, int64_t* elapsed_time_ms,
                       int64_t* ntp_time_ms);