Convert channel counts to size_t.

webrtc/modules/audio_device/test/func_test_manager.h

Index: webrtc/modules/audio_device/test/func_test_manager.h
diff --git a/webrtc/modules/audio_device/test/func_test_manager.h b/webrtc/modules/audio_device/test/func_test_manager.h
index 187070965d2b0abf40d106d446f4a78c138d4231..b7cc81cc1ac000087354784e3121fbb22b102153 100644
--- a/webrtc/modules/audio_device/test/func_test_manager.h
+++ b/webrtc/modules/audio_device/test/func_test_manager.h
@@ -49,7 +49,7 @@ struct AudioPacket
     uint8_t dataBuffer[4 * 960];
     size_t nSamples;
     size_t nBytesPerSample;
-    uint8_t nChannels;
+    size_t nChannels;
     uint32_t samplesPerSec;
 };
 
@@ -88,7 +88,7 @@ public:
     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,
@@ -98,7 +98,7 @@ public:
 
     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,