Making AudioManagerBase::ShutdownOnAudioThread() platform-agnostic

media/audio/pulse/audio_manager_pulse.cc

Index: media/audio/pulse/audio_manager_pulse.cc
diff --git a/media/audio/pulse/audio_manager_pulse.cc b/media/audio/pulse/audio_manager_pulse.cc
index 6fa330f0e82708556ff7f6d93f31d610c9261da9..fe8364ac7760affe85b61862f93551f49f7c1874 100644
--- a/media/audio/pulse/audio_manager_pulse.cc
+++ b/media/audio/pulse/audio_manager_pulse.cc
@@ -51,8 +51,8 @@ AudioManagerPulse::AudioManagerPulse(std::unique_ptr<AudioThread> audio_thread,
 
 AudioManagerPulse::~AudioManagerPulse() = default;
 
-void AudioManagerPulse::ShutdownOnAudioThread() {
-  AudioManagerBase::ShutdownOnAudioThread();
+void AudioManagerPulse::ShutdownOnAudioThread(bool immediately) {
+  AudioManagerBase::ShutdownOnAudioThread(immediately);
   // The Pulse objects are the last things to be destroyed since
   // AudioManagerBase::ShutdownOnAudioThread() needs them.
   pulse::DestroyPulse(input_mainloop_, input_context_);