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

media/audio/audio_output_controller_unittest.cc

Index: media/audio/audio_output_controller_unittest.cc
diff --git a/media/audio/audio_output_controller_unittest.cc b/media/audio/audio_output_controller_unittest.cc
index 20a56a2a3805b1379720310a224611d61ddf4cae..c2630b0e105eb574896324e355292dcafc26de1f 100644
--- a/media/audio/audio_output_controller_unittest.cc
+++ b/media/audio/audio_output_controller_unittest.cc
@@ -122,7 +122,7 @@ class AudioOutputControllerTest : public testing::Test {
     }
 
     controller_ = AudioOutputController::Create(
-        audio_manager_.get(), &mock_event_handler_, params_,
+        audio_manager_.get(), &mock_event_handler_, params_, std::string(),
         &mock_sync_reader_);
     if (controller_.get())
       controller_->SetVolume(kTestVolume);