Audio output debug recording.

media/audio/audio_low_latency_input_output_unittest.cc

Index: media/audio/audio_low_latency_input_output_unittest.cc
diff --git a/media/audio/audio_low_latency_input_output_unittest.cc b/media/audio/audio_low_latency_input_output_unittest.cc
index 36e3640dc9532563842a575b16196cdcf8f4c72e..f8d3975d772417b71e1a3d633bf865ec21e32387 100644
--- a/media/audio/audio_low_latency_input_output_unittest.cc
+++ b/media/audio/audio_low_latency_input_output_unittest.cc
@@ -23,6 +23,7 @@
 #include "media/audio/audio_device_description.h"
 #include "media/audio/audio_io.h"
 #include "media/audio/audio_unittest_util.h"
+#include "media/audio/fake_audio_file_writer.h"
 #include "media/audio/fake_audio_log_factory.h"
 #include "media/base/seekable_buffer.h"
 #include "testing/gmock/include/gmock/gmock.h"
@@ -107,7 +108,8 @@ class MockAudioManager : public AudioManagerAnyPlatform {
   MockAudioManager()
       : AudioManagerAnyPlatform(base::ThreadTaskRunnerHandle::Get(),
                                 base::ThreadTaskRunnerHandle::Get(),
-                                &fake_audio_log_factory_) {}
+                                &fake_audio_log_factory_,
+                                base::Bind(&FakeAudioFileWriter::Create)) {}
   ~MockAudioManager() override {}
 
  private: