DO NOT COMMIT (will be split in sub-components) - clang-tidy WaitableEvent refactor

components/sync_driver/glue/sync_backend_registrar_unittest.cc

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/sync_driver/glue/sync_backend_registrar.h"
 
 #include "base/location.h"
 #include "base/run_loop.h"
 #include "base/single_thread_task_runner.h"
 #include "components/sync_driver/change_processor_mock.h"
@@ skipping 274 matching lines @@
   EXPECT_CALL(change_processor_mock, ApplyChangesFromSyncModel(NULL, _, _));
   EXPECT_CALL(change_processor_mock, IsRunning())
       .WillRepeatedly(Return(true));
   EXPECT_CALL(change_processor_mock, CommitChangesFromSyncModel());
   EXPECT_CALL(change_processor_mock, IsRunning())
       .WillRepeatedly(Return(false));
 
   const ModelTypeSet types(AUTOFILL);
   EXPECT_EQ(types, registrar_->ConfigureDataTypes(types, ModelTypeSet()));
 
-  base::WaitableEvent done(false, false);
+  base::WaitableEvent done(base::WaitableEvent::ResetPolicy::AUTOMATIC,
+                           base::WaitableEvent::InitialState::NOT_SIGNALED);
   db_task_runner()->PostTask(
       FROM_HERE,
       base::Bind(&SyncBackendRegistrarTest::TestNonUIDataTypeActivationAsync,
                  base::Unretained(this), &change_processor_mock, &done));
   done.Wait();
 
   registrar_->DeactivateDataType(AUTOFILL);
   ExpectRoutingInfo(registrar_.get(), syncer::ModelSafeRoutingInfo());
   ExpectHasProcessorsForTypes(*registrar_, ModelTypeSet());
 
@@ skipping 41 matching lines @@
     db_thread_blocked_.Signal();
     base::AutoLock l(db_thread_lock_);
   }
 
  protected:
   friend class TestRegistrar;
 
   SyncBackendRegistrarShutdownTest()
       : db_thread_("DBThreadForTest"),
         file_thread_("FileThreadForTest"),
-        db_thread_blocked_(false, false) {
+        db_thread_blocked_(base::WaitableEvent::ResetPolicy::AUTOMATIC,
+                           base::WaitableEvent::InitialState::NOT_SIGNALED) {
     quit_closure_ = run_loop_.QuitClosure();
   }
 
   ~SyncBackendRegistrarShutdownTest() override {}
 
   void SetUp() override {
     db_thread_.StartAndWaitForTesting();
     file_thread_.StartAndWaitForTesting();
     sync_client_.reset(new RegistrarSyncClient(
         ui_task_runner(), db_task_runner(), file_task_runner()));
@@ skipping 90 matching lines @@
   db_thread_lock_.Release();
 
   // Run the main thread loop until all workers have been removed and the
   // registrar destroyed.
   run_loop_.Run();
 }
 
 }  // namespace
 
 }  // namespace browser_sync