Migrate WaitableEvent to enum-based constructor in content/

content/browser/frame_host/interstitial_page_impl_browsertest.cc

Index: content/browser/frame_host/interstitial_page_impl_browsertest.cc
diff --git a/content/browser/frame_host/interstitial_page_impl_browsertest.cc b/content/browser/frame_host/interstitial_page_impl_browsertest.cc
index b483282f5892092d7ae2071a77e2f085248b390c..0cfb75175bed6e29fdb80797ce1153de815eddc7 100644
--- a/content/browser/frame_host/interstitial_page_impl_browsertest.cc
+++ b/content/browser/frame_host/interstitial_page_impl_browsertest.cc
@@ -315,7 +315,9 @@ class InterstitialPageImplTest : public ContentBrowserTest {
 
  private:
   void RunTaskOnIOThreadAndWait(const base::Closure& task) {
-    base::WaitableEvent completion(false, false);
+    base::WaitableEvent completion(
+        base::WaitableEvent::ResetPolicy::AUTOMATIC,
+        base::WaitableEvent::InitialState::NOT_SIGNALED);
     BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
                             base::Bind(&InterstitialPageImplTest::RunTask, this,
                                        task, &completion));