Migrate WaitableEvent to enum-based constructor in content/

content/renderer/media/rtc_video_decoder_unittest.cc

Index: content/renderer/media/rtc_video_decoder_unittest.cc
diff --git a/content/renderer/media/rtc_video_decoder_unittest.cc b/content/renderer/media/rtc_video_decoder_unittest.cc
index a3150048e8eae1e6ad71f05f716ff013b4ca9c97..de9717ad59631a72dc7835bd4be57fc7e41ae678 100644
--- a/content/renderer/media/rtc_video_decoder_unittest.cc
+++ b/content/renderer/media/rtc_video_decoder_unittest.cc
@@ -49,7 +49,8 @@ class RTCVideoDecoderTest
       : mock_gpu_factories_(
             new media::MockGpuVideoAcceleratorFactories(nullptr)),
         vda_thread_("vda_thread"),
-        idle_waiter_(false, false) {
+        idle_waiter_(base::WaitableEvent::ResetPolicy::AUTOMATIC,
+                     base::WaitableEvent::InitialState::NOT_SIGNALED) {
     memset(&codec_, 0, sizeof(codec_));
   }