Revert 187936 "Pass more detailed audio hardware configuration i..."

media/audio/audio_output_device_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <vector>
 
 #include "base/at_exit.h"
 #include "base/message_loop.h"
 #include "base/process_util.h"
 #include "base/shared_memory.h"
@@ skipping 134 matching lines @@
   // than just the audio data, so we must call TotalSharedMemorySizeInBytes()
   // to get the actual size needed to fit the audio data plus the extra data.
   return TotalSharedMemorySizeInBytes(io_buffer_size);
 }
 
 AudioOutputDeviceTest::AudioOutputDeviceTest()
     : synchronized_io_(GetParam()),
       input_channels_(synchronized_io_ ? 2 : 0) {
   default_audio_parameters_.Reset(
       AudioParameters::AUDIO_PCM_LINEAR,
-      CHANNEL_LAYOUT_STEREO, 2, input_channels_,
+      CHANNEL_LAYOUT_STEREO, input_channels_,
       48000, 16, 1024);
 
   audio_device_ = new AudioOutputDevice(
       &audio_output_ipc_, io_loop_.message_loop_proxy());
 
   audio_device_->Initialize(default_audio_parameters_,
                             &callback_);
 
   io_loop_.RunUntilIdle();
 }
@@ skipping 123 matching lines @@
   ExpectRenderCallback();
   CreateStream();
   WaitUntilRenderCallback();
   StopAudioDevice();
 }
 
 INSTANTIATE_TEST_CASE_P(Render, AudioOutputDeviceTest, Values(false));
 INSTANTIATE_TEST_CASE_P(RenderIO, AudioOutputDeviceTest, Values(true));
 
 }  // namespace media.