Log when device authorization times out.

media/audio/audio_output_device.cc

Index: media/audio/audio_output_device.cc
diff --git a/media/audio/audio_output_device.cc b/media/audio/audio_output_device.cc
index 1d52911686edc6417d1c035e4406272c74596ab5..70f09469e55a55496c728fb63bb2eab290b55c30 100644
--- a/media/audio/audio_output_device.cc
+++ b/media/audio/audio_output_device.cc
@@ -325,6 +325,8 @@ void AudioOutputDevice::OnDeviceAuthorized(
 
   UMA_HISTOGRAM_BOOLEAN("Media.Audio.Render.OutputDeviceAuthorizationTimedOut",
                         device_status == OUTPUT_DEVICE_STATUS_ERROR_TIMED_OUT);
+  LOG_IF(WARNING, device_status == OUTPUT_DEVICE_STATUS_ERROR_TIMED_OUT)
+      << "Output device authorization timed out";
 
   DCHECK_EQ(state_, AUTHORIZING);