Migrate WaitableEvent to enum-based constructor in media/

media/cast/test/receiver.cc

Index: media/cast/test/receiver.cc
diff --git a/media/cast/test/receiver.cc b/media/cast/test/receiver.cc
index f9a420898101d2f2c7d072f648f74b2ef0f8ff94..b2e59bd20d8afd6ee4ccd15f69012c08a451e2a3 100644
--- a/media/cast/test/receiver.cc
+++ b/media/cast/test/receiver.cc
@@ -220,7 +220,8 @@ class NaivePlayer : public InProcessReceiver,
 
   void Stop() final {
     // First, stop audio output to the Chromium audio stack.
-    base::WaitableEvent done(false, false);
+    base::WaitableEvent done(base::WaitableEvent::ResetPolicy::AUTOMATIC,
+                             base::WaitableEvent::InitialState::NOT_SIGNALED);
     DCHECK(!AudioManager::Get()->GetTaskRunner()->BelongsToCurrentThread());
     AudioManager::Get()->GetTaskRunner()->PostTask(
         FROM_HERE,