Implementing AudioOutputDevice authorization timeout

media/audio/audio_output_device.h

Index: media/audio/audio_output_device.h
diff --git a/media/audio/audio_output_device.h b/media/audio/audio_output_device.h
index 532f45fe4a13eeb6b8b2884292e28652da3690f1..1cd3942350c0ad5413258823e90b01d793c9cd94 100644
--- a/media/audio/audio_output_device.h
+++ b/media/audio/audio_output_device.h
@@ -77,6 +77,11 @@
 #include "media/base/media_export.h"
 #include "media/base/output_device_info.h"
 
+namespace base {
+class OneShotTimer;
+class ElapsedTimer;
+}
+
 namespace media {
 
 class MEDIA_EXPORT AudioOutputDevice
@@ -145,6 +150,13 @@ class MEDIA_EXPORT AudioOutputDevice
   void ShutDownOnIOThread();
   void SetVolumeOnIOThread(double volume);
 
+  // Process device authorization result on the IO thread.
+  void ProcessDeviceAuthorizationOnIOThread(
+      OutputDeviceStatus device_status,
+      const media::AudioParameters& output_params,
+      const std::string& matched_device_id,
+      bool timed_out);
+
   // base::MessageLoop::DestructionObserver implementation for the IO loop.
   // If the IO loop dies before we do, we shut down the audio thread from here.
   void WillDestroyCurrentMessageLoop() override;
@@ -201,6 +213,9 @@ class MEDIA_EXPORT AudioOutputDevice
   AudioParameters output_params_;
   OutputDeviceStatus device_status_;
 
+  std::unique_ptr<base::OneShotTimer> auth_timeout_action_;
+  std::unique_ptr<base::ElapsedTimer> auth_delay_;
+
   DISALLOW_COPY_AND_ASSIGN(AudioOutputDevice);
 };