Migrate WaitableEvent to enum-based constructor in content/

content/browser/appcache/appcache_request_handler_unittest.cc

Index: content/browser/appcache/appcache_request_handler_unittest.cc
diff --git a/content/browser/appcache/appcache_request_handler_unittest.cc b/content/browser/appcache/appcache_request_handler_unittest.cc
index eec35053dfca5e41d35208b390f44130aa9d9ee6..ffb58da607706c81e4c4c9d4faaaa09b9021382b 100644
--- a/content/browser/appcache/appcache_request_handler_unittest.cc
+++ b/content/browser/appcache/appcache_request_handler_unittest.cc
@@ -184,7 +184,9 @@ class AppCacheRequestHandlerTest : public testing::Test {
 
   template <class Method>
   void RunTestOnIOThread(Method method) {
-    test_finished_event_ .reset(new base::WaitableEvent(false, false));
+    test_finished_event_.reset(new base::WaitableEvent(
+        base::WaitableEvent::ResetPolicy::AUTOMATIC,
+        base::WaitableEvent::InitialState::NOT_SIGNALED));
     io_thread_->task_runner()->PostTask(
         FROM_HERE,
         base::Bind(&AppCacheRequestHandlerTest::MethodWrapper<Method>,