// Copyright (c) 2019 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/prefs/pref_test_utils.h" #include "base/run_loop.h" #include "base/test/bind.h" #include "base/values.h" #include "components/prefs/pref_change_registrar.h" #include "components/prefs/pref_service.h" void WaitForPrefValue(PrefService* pref_service, const std::string& path, const base::Value& value) { if (value == *(pref_service->Get(path))) return; base::RunLoop run_loop; PrefChangeRegistrar pref_changes; pref_changes.Init(pref_service); pref_changes.Add(path, base::BindLambdaForTesting([&]() { if (value == pref_service->GetValue(path)) run_loop.Quit(); })); run_loop.Run(); }