More WaitableEvent stragglers migrated to enum-based constructor

media/gpu/v4l2_slice_video_decode_accelerator.cc

Index: media/gpu/v4l2_slice_video_decode_accelerator.cc
diff --git a/media/gpu/v4l2_slice_video_decode_accelerator.cc b/media/gpu/v4l2_slice_video_decode_accelerator.cc
index de3a20e5c85b31bbbb13e040fe82acde4998864d..29cf9e41c2c9384101165fbf7ca714421edc8032 100644
--- a/media/gpu/v4l2_slice_video_decode_accelerator.cc
+++ b/media/gpu/v4l2_slice_video_decode_accelerator.cc
@@ -1440,7 +1440,8 @@ bool V4L2SliceVideoDecodeAccelerator::DestroyOutputs(bool dismiss) {
 
   if (dismiss) {
     DVLOGF(2) << "Scheduling picture dismissal";
-    base::WaitableEvent done(false, false);
+    base::WaitableEvent done(base::WaitableEvent::ResetPolicy::AUTOMATIC,
+                             base::WaitableEvent::InitialState::NOT_SIGNALED);
     child_task_runner_->PostTask(
         FROM_HERE, base::Bind(&V4L2SliceVideoDecodeAccelerator::DismissPictures,
                               weak_this_, picture_buffers_to_dismiss, &done));