Migrate WaitableEvent to enum-based constructor in base/

base/threading/thread_local_unittest.cc

Index: base/threading/thread_local_unittest.cc
diff --git a/base/threading/thread_local_unittest.cc b/base/threading/thread_local_unittest.cc
index e94c1db1c8d626a7a4950f56a8b7f712707a6699..cdc1ca6f5672062bd05e72457f1b9d1905ce334d 100644
--- a/base/threading/thread_local_unittest.cc
+++ b/base/threading/thread_local_unittest.cc
@@ -82,7 +82,8 @@ TEST(ThreadLocalTest, Pointer) {
   static char* const kBogusPointer = reinterpret_cast<char*>(0x1234);
 
   char* tls_val;
-  base::WaitableEvent done(true, false);
+  base::WaitableEvent done(WaitableEvent::ResetPolicy::MANUAL,
+                           WaitableEvent::InitialState::NOT_SIGNALED);
 
   GetThreadLocal getter(&tlp, &done);
   getter.set_ptr(&tls_val);