Add a virtual beamforming audio device on ChromeOS.

media/audio/audio_parameters_unittest.cc

Index: media/audio/audio_parameters_unittest.cc
diff --git a/media/audio/audio_parameters_unittest.cc b/media/audio/audio_parameters_unittest.cc
index 2cf541d14c381e99c614643696800222286e90ea..c39e8d4915dcb8e9d256617dd63f5c53a354b334 100644
--- a/media/audio/audio_parameters_unittest.cc
+++ b/media/audio/audio_parameters_unittest.cc
@@ -16,6 +16,9 @@ TEST(AudioParameters, Constructor_Default) {
   ChannelLayout expected_channel_layout = CHANNEL_LAYOUT_NONE;
   int expected_rate = 0;
   int expected_samples = 0;
+  AudioParameters::PlatformEffectsMask expected_effects =
+      AudioParameters::NO_EFFECTS;
+  std::vector<Point> expected_mic_positions;
 
   AudioParameters params;
 
@@ -25,6 +28,8 @@ TEST(AudioParameters, Constructor_Default) {
   EXPECT_EQ(expected_channel_layout, params.channel_layout());
   EXPECT_EQ(expected_rate, params.sample_rate());
   EXPECT_EQ(expected_samples, params.frames_per_buffer());
+  EXPECT_EQ(expected_effects, params.effects());
+  EXPECT_EQ(expected_mic_positions, params.mic_positions());
 }
 
 TEST(AudioParameters, Constructor_ParameterValues) {