Log when device authorization times out.

media/audio/audio_output_device.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "media/audio/audio_output_device.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <cmath>
@@ skipping 307 matching lines @@
   DCHECK(task_runner()->BelongsToCurrentThread());
 
   auth_timeout_action_.reset();
 
   // Do nothing if late authorization is received after timeout.
   if (state_ == IPC_CLOSED)
     return;
 
   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);
 
   // It may happen that a second authorization is received as a result to a
   // call to Start() after Stop(). If the status for the second authorization
   // differs from the first, it will not be reflected in |device_status_|
   // to avoid a race.
   // This scenario is unlikely. If it occurs, the new value will be
   // different from OUTPUT_DEVICE_STATUS_OK, so the AudioOutputDevice
   // will enter the IPC_CLOSED state anyway, which is the safe thing to do.
@@ skipping 155 matching lines @@
   render_callback_->Render(output_bus_.get(), std::round(frames_delayed),
                            frames_skipped);
 }
 
 bool AudioOutputDevice::AudioThreadCallback::
     CurrentThreadIsAudioDeviceThread() {
   return thread_checker_.CalledOnValidThread();
 }
 
 }  // namespace media