Migrate WaitableEvent to enum-based constructor in net/

net/extras/sqlite/sqlite_persistent_cookie_store_perftest.cc

Index: net/extras/sqlite/sqlite_persistent_cookie_store_perftest.cc
diff --git a/net/extras/sqlite/sqlite_persistent_cookie_store_perftest.cc b/net/extras/sqlite/sqlite_persistent_cookie_store_perftest.cc
index 3aef494cf2f17414ac29b28782b2f5c3e612810c..0d8c877434d7b262fc70497a1e82118bf0ffed9c 100644
--- a/net/extras/sqlite/sqlite_persistent_cookie_store_perftest.cc
+++ b/net/extras/sqlite/sqlite_persistent_cookie_store_perftest.cc
@@ -34,8 +34,10 @@ class SQLitePersistentCookieStorePerfTest : public testing::Test {
  public:
   SQLitePersistentCookieStorePerfTest()
       : pool_owner_(new base::SequencedWorkerPoolOwner(1, "Background Pool")),
-        loaded_event_(false, false),
-        key_loaded_event_(false, false) {}
+        loaded_event_(base::WaitableEvent::ResetPolicy::AUTOMATIC,
+                      base::WaitableEvent::InitialState::NOT_SIGNALED),
+        key_loaded_event_(base::WaitableEvent::ResetPolicy::AUTOMATIC,
+                          base::WaitableEvent::InitialState::NOT_SIGNALED) {}
 
   void OnLoaded(const std::vector<CanonicalCookie*>& cookies) {
     cookies_ = cookies;