Add a virtual beamforming audio device on ChromeOS.

media/base/channel_mixer_unittest.cc

Index: media/base/channel_mixer_unittest.cc
diff --git a/media/base/channel_mixer_unittest.cc b/media/base/channel_mixer_unittest.cc
index 89b4eeedc44397281c1b03fa466d008c1127bffc..1d2d5f9fd5a54cec917122ddfcd763ada32db21d 100644
--- a/media/base/channel_mixer_unittest.cc
+++ b/media/base/channel_mixer_unittest.cc
@@ -105,25 +105,21 @@ TEST_P(ChannelMixerTest, Mixing) {
   int input_channels = GetParam().input_channels;
   scoped_ptr<AudioBus> input_bus = AudioBus::Create(input_channels, kFrames);
   AudioParameters input_audio(AudioParameters::AUDIO_PCM_LINEAR,
-                              input_layout,
-                              input_layout == CHANNEL_LAYOUT_DISCRETE ?
-                                  input_channels :
-                                  ChannelLayoutToChannelCount(input_layout),
-                              AudioParameters::kAudioCDSampleRate, 16,
-                              kFrames,
-                              AudioParameters::NO_EFFECTS);
+                              input_layout == CHANNEL_LAYOUT_DISCRETE
+                                  ? input_channels
+                                  : ChannelLayoutToChannelCount(input_layout),
+                              input_layout, AudioParameters::kAudioCDSampleRate,
+                              16, kFrames);
 
   ChannelLayout output_layout = GetParam().output_layout;
   int output_channels = GetParam().output_channels;
   scoped_ptr<AudioBus> output_bus = AudioBus::Create(output_channels, kFrames);
-  AudioParameters output_audio(AudioParameters::AUDIO_PCM_LINEAR,
-                               output_layout,
-                               output_layout == CHANNEL_LAYOUT_DISCRETE ?
-                                   output_channels :
-                                   ChannelLayoutToChannelCount(output_layout),
-                               AudioParameters::kAudioCDSampleRate, 16,
-                               kFrames,
-                               AudioParameters::NO_EFFECTS);
+  AudioParameters output_audio(
+      AudioParameters::AUDIO_PCM_LINEAR,
+      output_layout == CHANNEL_LAYOUT_DISCRETE
+          ? output_channels
+          : ChannelLayoutToChannelCount(output_layout),
+      output_layout, AudioParameters::kAudioCDSampleRate, 16, kFrames);
 
   const float* channel_values = GetParam().channel_values;
   ASSERT_EQ(input_bus->channels(), GetParam().num_channel_values);