Keep track of the user-facing number of channels in a ChannelBuffer

webrtc/common_audio/common_audio.gyp

 # Copyright (c) 2011 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.
 
 {
   'includes': [
@@ skipping 226 matching lines @@
             'common_audio',
             '<(webrtc_root)/test/test.gyp:test_support_main',
             '<(DEPTH)/testing/gmock.gyp:gmock',
             '<(DEPTH)/testing/gtest.gyp:gtest',
           ],
           'sources': [
             'audio_converter_unittest.cc',
             'audio_ring_buffer_unittest.cc',
             'audio_util_unittest.cc',
             'blocker_unittest.cc',
+            'channel_buffer_unittest.cc',
             'fir_filter_unittest.cc',
             'lapped_transform_unittest.cc',
             'real_fourier_unittest.cc',
             'resampler/resampler_unittest.cc',
             'resampler/push_resampler_unittest.cc',
             'resampler/push_sinc_resampler_unittest.cc',
             'resampler/sinusoidal_linear_chirp_source.cc',
             'resampler/sinusoidal_linear_chirp_source.h',
             'ring_buffer_unittest.cc',
             'signal_processing/real_fft_unittest.cc',
@@ skipping 74 matching lines @@
               'sources': [
                 'common_audio_unittests.isolate',
               ],
             },
           ],
         }],
       ],
     }],
   ],  # conditions
 }