Reland 15721002: Hook up the device selection to the WebAudio live audio

media/audio/linux/alsa_output_unittest.cc

Index: media/audio/linux/alsa_output_unittest.cc
diff --git a/media/audio/linux/alsa_output_unittest.cc b/media/audio/linux/alsa_output_unittest.cc
index 0dc19f5c30f9ee8b1e04b95d5fc1ea6774001cd1..02cbd4229de47c6519c6c9f257c2af7c726de7b1 100644
--- a/media/audio/linux/alsa_output_unittest.cc
+++ b/media/audio/linux/alsa_output_unittest.cc
@@ -83,8 +83,8 @@ class MockAudioManagerLinux : public AudioManagerLinux {
   MOCK_METHOD0(HasAudioInputDevices, bool());
   MOCK_METHOD1(MakeLinearOutputStream, AudioOutputStream*(
       const AudioParameters& params));
-  MOCK_METHOD1(MakeLowLatencyOutputStream, AudioOutputStream*(
-      const AudioParameters& params));
+  MOCK_METHOD2(MakeLowLatencyOutputStream, AudioOutputStream*(
+      const AudioParameters& params, const std::string& input_device_id));
   MOCK_METHOD2(MakeLowLatencyInputStream, AudioInputStream*(
       const AudioParameters& params, const std::string& device_id));