#include "base/containers/contains.h"
#include "base/run_loop.h"
#include "base/task/single_thread_task_runner.h"
#include "base/test/metrics/histogram_tester.h"
#include "base/test/scoped_feature_list.h"
#include "base/test/simple_test_tick_clock.h"
#include "chrome/browser/navigation_predictor/navigation_predictor_keyed_service.h"
#include "chrome/browser/navigation_predictor/navigation_predictor_keyed_service_factory.h"
#include "chrome/browser/predictors/loading_predictor.h"
#include "chrome/browser/predictors/loading_predictor_factory.h"
#include "chrome/browser/predictors/preconnect_manager.h"
#include "chrome/browser/search_engines/template_url_service_factory.h"
#include "chrome/browser/subresource_filter/subresource_filter_browser_test_harness.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/tabs/tab_strip_model.h"
#include "chrome/test/base/in_process_browser_test.h"
#include "chrome/test/base/search_test_utils.h"
#include "chrome/test/base/ui_test_utils.h"
#include "components/search_engines/template_url_service.h"
#include "components/ukm/test_ukm_recorder.h"
#include "content/public/test/browser_test.h"
#include "content/public/test/browser_test_utils.h"
#include "net/base/features.h"
#include "net/dns/mock_host_resolver.h"
#include "net/test/embedded_test_server/embedded_test_server.h"
#include "services/metrics/public/cpp/ukm_builders.h"
#include "url/url_constants.h"
namespace {
class SearchEnginePreconnectorBrowserTest
: public subresource_filter::SubresourceFilterBrowserTest,
public predictors::PreconnectManager::Observer { … };
constexpr char SearchEnginePreconnectorBrowserTest::kFakeSearch[];
constexpr char SearchEnginePreconnectorBrowserTest::kGoogleSearch[];
class SearchEnginePreconnectorNoDelaysBrowserTest
: public SearchEnginePreconnectorBrowserTest,
public testing::WithParamInterface<bool> { … };
INSTANTIATE_TEST_SUITE_P(…);
IN_PROC_BROWSER_TEST_P(SearchEnginePreconnectorNoDelaysBrowserTest,
DISABLED_PreconnectSearch) { … }
IN_PROC_BROWSER_TEST_P(SearchEnginePreconnectorNoDelaysBrowserTest,
PreconnectOnlyInForeground) { … }
class SearchEnginePreconnectorForegroundBrowserTest
: public SearchEnginePreconnectorBrowserTest,
public testing::WithParamInterface<std::tuple<bool, bool, bool>> { … };
INSTANTIATE_TEST_SUITE_P(…);
IN_PROC_BROWSER_TEST_P(SearchEnginePreconnectorForegroundBrowserTest,
PreconnectOnlyInForeground) { … }
class SearchEnginePreconnectorKeepSocketBrowserTest
: public SearchEnginePreconnectorBrowserTest { … };
IN_PROC_BROWSER_TEST_F(SearchEnginePreconnectorKeepSocketBrowserTest,
SocketWarmForSearch) { … }
class SearchEnginePreconnectorDesktopAutoStartBrowserTest
: public SearchEnginePreconnectorBrowserTest { … };
IN_PROC_BROWSER_TEST_F(SearchEnginePreconnectorDesktopAutoStartBrowserTest,
AutoStartDesktop) { … }
class SearchEnginePreconnectorEnabledOnlyBrowserTest
: public SearchEnginePreconnectorBrowserTest,
public testing::WithParamInterface<bool> { … };
INSTANTIATE_TEST_SUITE_P(…);
IN_PROC_BROWSER_TEST_P(SearchEnginePreconnectorEnabledOnlyBrowserTest,
AllowedSearch) { … }
}