|  | // Copyright 2020 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 "chrome/browser/lite_video/lite_video_keyed_service.h" | 
|  |  | 
|  | #include "base/command_line.h" | 
|  | #include "base/run_loop.h" | 
|  | #include "base/task/thread_pool/thread_pool_instance.h" | 
|  | #include "base/test/metrics/histogram_tester.h" | 
|  | #include "base/test/scoped_feature_list.h" | 
|  | #include "build/build_config.h" | 
|  | #include "build/chromeos_buildflags.h" | 
|  | #include "chrome/browser/browser_process.h" | 
|  | #include "chrome/browser/lite_video/lite_video_features.h" | 
|  | #include "chrome/browser/lite_video/lite_video_hint.h" | 
|  | #include "chrome/browser/lite_video/lite_video_keyed_service_factory.h" | 
|  | #include "chrome/browser/lite_video/lite_video_observer.h" | 
|  | #include "chrome/browser/lite_video/lite_video_switches.h" | 
|  | #include "chrome/browser/optimization_guide/optimization_guide_keyed_service.h" | 
|  | #include "chrome/browser/optimization_guide/optimization_guide_keyed_service_factory.h" | 
|  | #include "chrome/browser/profiles/profile.h" | 
|  | #include "chrome/browser/ui/browser.h" | 
|  | #include "chrome/common/chrome_features.h" | 
|  | #include "chrome/test/base/in_process_browser_test.h" | 
|  | #include "chrome/test/base/ui_test_utils.h" | 
|  | #include "components/metrics/content/subprocess_metrics_provider.h" | 
|  | #include "components/optimization_guide/content/browser/optimization_guide_decider.h" | 
|  | #include "components/optimization_guide/core/optimization_guide_features.h" | 
|  | #include "components/optimization_guide/proto/hints.pb.h" | 
|  | #include "components/optimization_guide/proto/lite_video_metadata.pb.h" | 
|  | #include "components/ukm/test_ukm_recorder.h" | 
|  | #include "content/public/browser/web_contents.h" | 
|  | #include "content/public/test/browser_test.h" | 
|  | #include "content/public/test/browser_test_utils.h" | 
|  | #include "content/public/test/network_connection_change_simulator.h" | 
|  | #include "net/nqe/effective_connection_type.h" | 
|  | #include "services/metrics/public/cpp/ukm_builders.h" | 
|  | #include "services/metrics/public/cpp/ukm_source.h" | 
|  | #include "services/network/public/mojom/network_change_manager.mojom-shared.h" | 
|  | #include "testing/gtest/include/gtest/gtest.h" | 
|  | #include "ui/base/page_transition_types.h" | 
|  | #include "url/gurl.h" | 
|  |  | 
|  | namespace { | 
|  |  | 
|  | // Fetch and calculate the total number of samples from all the bins for | 
|  | // |histogram_name|. Note: from some browertests run, there might be two | 
|  | // profiles created, and this will return the total sample count across | 
|  | // profiles. | 
|  | int GetTotalHistogramSamples(const base::HistogramTester& histogram_tester, | 
|  | const std::string& histogram_name) { | 
|  | std::vector<base::Bucket> buckets = | 
|  | histogram_tester.GetAllSamples(histogram_name); | 
|  | int total = 0; | 
|  | for (const auto& bucket : buckets) | 
|  | total += bucket.count; | 
|  |  | 
|  | return total; | 
|  | } | 
|  |  | 
|  | // Retries fetching |histogram_name| until it contains at least |count| samples. | 
|  | int RetryForHistogramUntilCountReached( | 
|  | const base::HistogramTester& histogram_tester, | 
|  | const std::string& histogram_name, | 
|  | int count) { | 
|  | int total = 0; | 
|  | while (true) { | 
|  | base::ThreadPoolInstance::Get()->FlushForTesting(); | 
|  | total = GetTotalHistogramSamples(histogram_tester, histogram_name); | 
|  | if (total >= count) | 
|  | return total; | 
|  | content::FetchHistogramsFromChildProcesses(); | 
|  | metrics::SubprocessMetricsProvider::MergeHistogramDeltasForTesting(); | 
|  | base::RunLoop().RunUntilIdle(); | 
|  | } | 
|  | } | 
|  |  | 
|  | }  // namespace | 
|  |  | 
|  | class LiteVideoKeyedServiceDisabledBrowserTest : public InProcessBrowserTest { | 
|  | public: | 
|  | LiteVideoKeyedServiceDisabledBrowserTest() { | 
|  | scoped_feature_list_.InitAndDisableFeature({::features::kLiteVideo}); | 
|  | } | 
|  | ~LiteVideoKeyedServiceDisabledBrowserTest() override = default; | 
|  |  | 
|  | private: | 
|  | base::test::ScopedFeatureList scoped_feature_list_; | 
|  | }; | 
|  |  | 
|  | IN_PROC_BROWSER_TEST_F(LiteVideoKeyedServiceDisabledBrowserTest, | 
|  | KeyedServiceEnabledButLiteVideoDisabled) { | 
|  | EXPECT_EQ(nullptr, | 
|  | LiteVideoKeyedServiceFactory::GetForProfile(browser()->profile())); | 
|  | } | 
|  |  | 
|  | class LiteVideoDataSaverDisabledBrowserTest : public InProcessBrowserTest { | 
|  | public: | 
|  | LiteVideoDataSaverDisabledBrowserTest() { | 
|  | scoped_feature_list_.InitAndEnableFeature(::features::kLiteVideo); | 
|  | } | 
|  | ~LiteVideoDataSaverDisabledBrowserTest() override = default; | 
|  |  | 
|  | private: | 
|  | base::test::ScopedFeatureList scoped_feature_list_; | 
|  | }; | 
|  |  | 
|  | IN_PROC_BROWSER_TEST_F(LiteVideoDataSaverDisabledBrowserTest, | 
|  | LiteVideoEnabled_DataSaverOff) { | 
|  | EXPECT_EQ(nullptr, | 
|  | LiteVideoKeyedServiceFactory::GetForProfile(browser()->profile())); | 
|  | } | 
|  |  | 
|  | class LiteVideoKeyedServiceBrowserTest | 
|  | : public LiteVideoKeyedServiceDisabledBrowserTest, | 
|  | public ::testing::WithParamInterface<bool> { | 
|  | public: | 
|  | LiteVideoKeyedServiceBrowserTest() : use_opt_guide_(GetParam()) {} | 
|  | ~LiteVideoKeyedServiceBrowserTest() override = default; | 
|  |  | 
|  | void SetUp() override { | 
|  | if (use_opt_guide_) { | 
|  | scoped_feature_list_.InitWithFeaturesAndParameters( | 
|  | {{::features::kLiteVideo, | 
|  | {{"use_optimization_guide", "true"}, | 
|  | {"permanent_host_blocklist", "[\"blockedhost.com\"]"}, | 
|  | {"user_blocklist_opt_out_history_threshold", "1"}}}, | 
|  | {optimization_guide::features::kOptimizationHints, {}}}, | 
|  | /*disabled_features=*/{}); | 
|  | } else { | 
|  | scoped_feature_list_.InitAndEnableFeatureWithParameters( | 
|  | {::features::kLiteVideo}, | 
|  | {{"lite_video_origin_hints", "{\"litevideo.com\": 123}"}, | 
|  | {"permanent_host_blocklist", "[\"blockedhost.com\"]"}, | 
|  | {"user_blocklist_opt_out_history_threshold", "1"}}); | 
|  | } | 
|  | SetUpHTTPSServer(); | 
|  | InProcessBrowserTest::SetUp(); | 
|  | } | 
|  |  | 
|  | void SetUpOnMainThread() override { | 
|  | content::NetworkConnectionChangeSimulator().SetConnectionType( | 
|  | network::mojom::ConnectionType::CONNECTION_4G); | 
|  | SetEffectiveConnectionType( | 
|  | net::EffectiveConnectionType::EFFECTIVE_CONNECTION_TYPE_4G); | 
|  | if (use_opt_guide_) | 
|  | SeedOptGuideLiteVideoHints(GURL("https://litevideo.com")); | 
|  | InProcessBrowserTest::SetUpOnMainThread(); | 
|  | } | 
|  |  | 
|  | void SetUpCommandLine(base::CommandLine* cmd) override { | 
|  | cmd->AppendSwitch("enable-spdy-proxy-auth"); | 
|  | cmd->AppendSwitch(lite_video::switches::kLiteVideoIgnoreNetworkConditions); | 
|  | } | 
|  |  | 
|  | void SetUpHTTPSServer() { | 
|  | https_server_ = std::make_unique<net::EmbeddedTestServer>( | 
|  | net::EmbeddedTestServer::TYPE_HTTPS); | 
|  | https_server_->ServeFilesFromSourceDirectory("chrome/test/data/previews"); | 
|  | ASSERT_TRUE(https_server_->Start()); | 
|  |  | 
|  | https_url_ = https_server_->GetURL("/iframe_blank.html"); | 
|  | ASSERT_TRUE(https_url().SchemeIs(url::kHttpsScheme)); | 
|  | } | 
|  |  | 
|  | // Sets up public image URL hint data. | 
|  | void SeedOptGuideLiteVideoHints(const GURL& url) { | 
|  | ASSERT_TRUE(use_opt_guide_); | 
|  | auto* optimization_guide_decider = | 
|  | OptimizationGuideKeyedServiceFactory::GetForProfile( | 
|  | browser()->profile()); | 
|  | optimization_guide::OptimizationMetadata optimization_metadata; | 
|  | optimization_guide::proto::LiteVideoMetadata metadata; | 
|  | optimization_metadata.SetAnyMetadataForTesting(metadata); | 
|  | optimization_guide_decider->AddHintForTesting( | 
|  | url, optimization_guide::proto::LITE_VIDEO, optimization_metadata); | 
|  | } | 
|  |  | 
|  | // Sets the effective connection type that the Network Quality Tracker will | 
|  | // report. | 
|  | void SetEffectiveConnectionType( | 
|  | net::EffectiveConnectionType effective_connection_type) { | 
|  | g_browser_process->network_quality_tracker() | 
|  | ->ReportEffectiveConnectionTypeForTesting(effective_connection_type); | 
|  | } | 
|  |  | 
|  | lite_video::LiteVideoDecider* lite_video_decider() { | 
|  | return LiteVideoKeyedServiceFactory::GetForProfile(browser()->profile()) | 
|  | ->lite_video_decider(); | 
|  | } | 
|  |  | 
|  | void WaitForBlocklistToBeLoaded() { | 
|  | EXPECT_GT( | 
|  | RetryForHistogramUntilCountReached( | 
|  | histogram_tester_, "LiteVideo.UserBlocklist.BlocklistLoaded", 1), | 
|  | 0); | 
|  | } | 
|  |  | 
|  | const base::HistogramTester* histogram_tester() { return &histogram_tester_; } | 
|  |  | 
|  | GURL https_url() { return https_url_; } | 
|  |  | 
|  | bool IsUsingOptGuide() { return use_opt_guide_; } | 
|  |  | 
|  | private: | 
|  | base::test::ScopedFeatureList scoped_feature_list_; | 
|  | std::unique_ptr<net::EmbeddedTestServer> https_server_; | 
|  | GURL https_url_; | 
|  | base::HistogramTester histogram_tester_; | 
|  | const bool use_opt_guide_ = false; | 
|  | }; | 
|  |  | 
|  | INSTANTIATE_TEST_SUITE_P(UsingOptGuide, | 
|  | LiteVideoKeyedServiceBrowserTest, | 
|  | ::testing::Bool(), | 
|  | ::testing::PrintToStringParamName()); | 
|  |  | 
|  | IN_PROC_BROWSER_TEST_P(LiteVideoKeyedServiceBrowserTest, | 
|  | LiteVideoEnabledWithKeyedService) { | 
|  | EXPECT_TRUE( | 
|  | LiteVideoKeyedServiceFactory::GetForProfile(browser()->profile())); | 
|  | } | 
|  |  | 
|  | IN_PROC_BROWSER_TEST_P(LiteVideoKeyedServiceBrowserTest, | 
|  | LiteVideoCanApplyLiteVideo_UnsupportedScheme) { | 
|  | WaitForBlocklistToBeLoaded(); | 
|  | ukm::TestAutoSetUkmRecorder ukm_recorder; | 
|  |  | 
|  | EXPECT_TRUE( | 
|  | LiteVideoKeyedServiceFactory::GetForProfile(browser()->profile())); | 
|  |  | 
|  | // Navigate metrics get recorded. | 
|  | ui_test_utils::NavigateToURL(browser(), GURL("chrome://testserver.com")); | 
|  |  | 
|  | // Close the tab to flush any UKM metrics. | 
|  | browser()->tab_strip_model()->GetActiveWebContents()->Close(); | 
|  |  | 
|  | histogram_tester()->ExpectTotalCount("LiteVideo.Navigation.HasHint", 0); | 
|  | auto entries = | 
|  | ukm_recorder.GetEntriesByName(ukm::builders::LiteVideo::kEntryName); | 
|  | EXPECT_EQ(0u, entries.size()); | 
|  | } | 
|  |  | 
|  | // Fails occasionally on ChromeOS. http://crbug.com/1102563 | 
|  | #if BUILDFLAG(IS_CHROMEOS_ASH) | 
|  | #define MAYBE_LiteVideoCanApplyLiteVideo_NoHintForHost \ | 
|  | DISABLED_LiteVideoCanApplyLiteVideo_NoHintForHost | 
|  | #else | 
|  | #define MAYBE_LiteVideoCanApplyLiteVideo_NoHintForHost \ | 
|  | LiteVideoCanApplyLiteVideo_NoHintForHost | 
|  | #endif | 
|  | IN_PROC_BROWSER_TEST_P(LiteVideoKeyedServiceBrowserTest, | 
|  | MAYBE_LiteVideoCanApplyLiteVideo_NoHintForHost) { | 
|  | ukm::TestAutoSetUkmRecorder ukm_recorder; | 
|  | SetEffectiveConnectionType( | 
|  | net::EffectiveConnectionType::EFFECTIVE_CONNECTION_TYPE_4G); | 
|  | WaitForBlocklistToBeLoaded(); | 
|  | EXPECT_TRUE( | 
|  | LiteVideoKeyedServiceFactory::GetForProfile(browser()->profile())); | 
|  | GURL navigation_url("https://testserver.com"); | 
|  | // Navigate metrics get recorded. | 
|  | ui_test_utils::NavigateToURL(browser(), navigation_url); | 
|  |  | 
|  | // Close the tab to flush the UKM metrics. | 
|  | browser()->tab_strip_model()->GetActiveWebContents()->Close(); | 
|  |  | 
|  | EXPECT_GT(RetryForHistogramUntilCountReached( | 
|  | *histogram_tester(), "LiteVideo.Navigation.HasHint", 1), | 
|  | 0); | 
|  | histogram_tester()->ExpectUniqueSample("LiteVideo.Navigation.HasHint", false, | 
|  | 1); | 
|  | histogram_tester()->ExpectTotalCount("LiteVideo.HintAgent.HasHint", 0); | 
|  | histogram_tester()->ExpectUniqueSample( | 
|  | "LiteVideo.CanApplyLiteVideo.UserBlocklist.MainFrame", | 
|  | lite_video::LiteVideoBlocklistReason::kAllowed, 1); | 
|  | histogram_tester()->ExpectTotalCount( | 
|  | "LiteVideo.CanApplyLiteVideo.UserBlocklist.SubFrame", 0); | 
|  | auto entries = | 
|  | ukm_recorder.GetEntriesByName(ukm::builders::LiteVideo::kEntryName); | 
|  | ASSERT_EQ(1u, entries.size()); | 
|  | auto* entry = entries[0]; | 
|  | ukm_recorder.ExpectEntrySourceHasUrl(entry, navigation_url); | 
|  | ukm_recorder.ExpectEntryMetric( | 
|  | entry, ukm::builders::LiteVideo::kThrottlingStartDecisionName, | 
|  | static_cast<int>(lite_video::LiteVideoDecision::kNotAllowed)); | 
|  | ukm_recorder.ExpectEntryMetric( | 
|  | entry, ukm::builders::LiteVideo::kBlocklistReasonName, | 
|  | static_cast<int>(lite_video::LiteVideoBlocklistReason::kAllowed)); | 
|  | ukm_recorder.ExpectEntryMetric( | 
|  | entry, ukm::builders::LiteVideo::kThrottlingResultName, | 
|  | static_cast<int>( | 
|  | lite_video::LiteVideoThrottleResult::kThrottledWithoutStop)); | 
|  | } | 
|  |  | 
|  | IN_PROC_BROWSER_TEST_P(LiteVideoKeyedServiceBrowserTest, | 
|  | LiteVideoCanApplyLiteVideo_HasHint) { | 
|  | ukm::TestAutoSetUkmRecorder ukm_recorder; | 
|  | SetEffectiveConnectionType( | 
|  | net::EffectiveConnectionType::EFFECTIVE_CONNECTION_TYPE_4G); | 
|  |  | 
|  | WaitForBlocklistToBeLoaded(); | 
|  | EXPECT_TRUE( | 
|  | LiteVideoKeyedServiceFactory::GetForProfile(browser()->profile())); | 
|  |  | 
|  | GURL navigation_url("https://litevideo.com"); | 
|  |  | 
|  | // Navigate metrics get recorded. | 
|  | ui_test_utils::NavigateToURL(browser(), navigation_url); | 
|  |  | 
|  | EXPECT_GT(RetryForHistogramUntilCountReached( | 
|  | *histogram_tester(), "LiteVideo.HintAgent.HasHint", 1), | 
|  | 0); | 
|  | histogram_tester()->ExpectUniqueSample("LiteVideo.Navigation.HasHint", true, | 
|  | 1); | 
|  | histogram_tester()->ExpectUniqueSample("LiteVideo.HintAgent.HasHint", true, | 
|  | 1); | 
|  | histogram_tester()->ExpectUniqueSample( | 
|  | "LiteVideo.CanApplyLiteVideo.UserBlocklist.MainFrame", | 
|  | lite_video::LiteVideoBlocklistReason::kAllowed, 1); | 
|  | histogram_tester()->ExpectTotalCount( | 
|  | "LiteVideo.CanApplyLiteVideo.UserBlocklist.SubFrame", 0); | 
|  |  | 
|  | // Close the tab to flush the UKM metrics. | 
|  | browser()->tab_strip_model()->GetActiveWebContents()->Close(); | 
|  |  | 
|  | auto entries = | 
|  | ukm_recorder.GetEntriesByName(ukm::builders::LiteVideo::kEntryName); | 
|  | ASSERT_EQ(1u, entries.size()); | 
|  | auto* entry = entries[0]; | 
|  | ukm_recorder.ExpectEntrySourceHasUrl(entry, navigation_url); | 
|  | ukm_recorder.ExpectEntryMetric( | 
|  | entry, ukm::builders::LiteVideo::kThrottlingStartDecisionName, | 
|  | static_cast<int>(lite_video::LiteVideoDecision::kAllowed)); | 
|  | ukm_recorder.ExpectEntryMetric( | 
|  | entry, ukm::builders::LiteVideo::kBlocklistReasonName, | 
|  | static_cast<int>(lite_video::LiteVideoBlocklistReason::kAllowed)); | 
|  | ukm_recorder.ExpectEntryMetric( | 
|  | entry, ukm::builders::LiteVideo::kThrottlingResultName, | 
|  | static_cast<int>( | 
|  | lite_video::LiteVideoThrottleResult::kThrottledWithoutStop)); | 
|  | } | 
|  |  | 
|  | IN_PROC_BROWSER_TEST_P(LiteVideoKeyedServiceBrowserTest, | 
|  | LiteVideoCanApplyLiteVideo_Reload) { | 
|  | ukm::TestAutoSetUkmRecorder ukm_recorder; | 
|  | WaitForBlocklistToBeLoaded(); | 
|  | EXPECT_TRUE( | 
|  | LiteVideoKeyedServiceFactory::GetForProfile(browser()->profile())); | 
|  |  | 
|  | // Navigate metrics get recorded. | 
|  | GURL url("https://testserver.com"); | 
|  | NavigateParams params(browser(), url, ui::PAGE_TRANSITION_RELOAD); | 
|  | ui_test_utils::NavigateToURL(¶ms); | 
|  |  | 
|  | EXPECT_GT(RetryForHistogramUntilCountReached( | 
|  | *histogram_tester(), "LiteVideo.Navigation.HasHint", 1), | 
|  | 0); | 
|  | histogram_tester()->ExpectUniqueSample("LiteVideo.Navigation.HasHint", false, | 
|  | 1); | 
|  | histogram_tester()->ExpectTotalCount("LiteVideo.HintAgent.HasHint", 0); | 
|  | histogram_tester()->ExpectUniqueSample( | 
|  | "LiteVideo.CanApplyLiteVideo.UserBlocklist.MainFrame", | 
|  | lite_video::LiteVideoBlocklistReason::kNavigationReload, 1); | 
|  | histogram_tester()->ExpectTotalCount( | 
|  | "LiteVideo.CanApplyLiteVideo.UserBlocklist.SubFrame", 0); | 
|  |  | 
|  | // Navigate to confirm that the host is blocklisted due to a reload. This | 
|  | // happens after one such navigation due to overriding the blocklist | 
|  | // parameters for testing. | 
|  | NavigateParams params_blocklisted(browser(), url, ui::PAGE_TRANSITION_TYPED); | 
|  | ui_test_utils::NavigateToURL(¶ms_blocklisted); | 
|  |  | 
|  | // Close the tab to flush the UKM metrics. | 
|  | browser()->tab_strip_model()->GetActiveWebContents()->Close(); | 
|  |  | 
|  | EXPECT_GT(RetryForHistogramUntilCountReached( | 
|  | *histogram_tester(), "LiteVideo.Navigation.HasHint", 2), | 
|  | 0); | 
|  | histogram_tester()->ExpectUniqueSample("LiteVideo.Navigation.HasHint", false, | 
|  | 2); | 
|  | histogram_tester()->ExpectTotalCount("LiteVideo.HintAgent.HasHint", 0); | 
|  | histogram_tester()->ExpectBucketCount( | 
|  | "LiteVideo.CanApplyLiteVideo.UserBlocklist.MainFrame", | 
|  | lite_video::LiteVideoBlocklistReason::kNavigationBlocklisted, 1); | 
|  | histogram_tester()->ExpectTotalCount( | 
|  | "LiteVideo.CanApplyLiteVideo.UserBlocklist.SubFrame", 0); | 
|  |  | 
|  | auto entries = | 
|  | ukm_recorder.GetEntriesByName(ukm::builders::LiteVideo::kEntryName); | 
|  | ASSERT_EQ(2u, entries.size()); | 
|  | auto* entry = entries[0]; | 
|  | ukm_recorder.ExpectEntrySourceHasUrl(entry, url); | 
|  | ukm_recorder.ExpectEntryMetric( | 
|  | entry, ukm::builders::LiteVideo::kThrottlingStartDecisionName, | 
|  | static_cast<int>(lite_video::LiteVideoDecision::kNotAllowed)); | 
|  | ukm_recorder.ExpectEntryMetric( | 
|  | entry, ukm::builders::LiteVideo::kBlocklistReasonName, | 
|  | static_cast<int>( | 
|  | lite_video::LiteVideoBlocklistReason::kNavigationReload)); | 
|  | ukm_recorder.ExpectEntryMetric( | 
|  | entry, ukm::builders::LiteVideo::kThrottlingResultName, | 
|  | static_cast<int>( | 
|  | lite_video::LiteVideoThrottleResult::kThrottledWithoutStop)); | 
|  |  | 
|  | entry = entries[1]; | 
|  | ukm_recorder.ExpectEntrySourceHasUrl(entry, url); | 
|  | ukm_recorder.ExpectEntryMetric( | 
|  | entry, ukm::builders::LiteVideo::kThrottlingStartDecisionName, | 
|  | static_cast<int>(lite_video::LiteVideoDecision::kNotAllowed)); | 
|  | ukm_recorder.ExpectEntryMetric( | 
|  | entry, ukm::builders::LiteVideo::kBlocklistReasonName, | 
|  | static_cast<int>( | 
|  | lite_video::LiteVideoBlocklistReason::kNavigationBlocklisted)); | 
|  | ukm_recorder.ExpectEntryMetric( | 
|  | entry, ukm::builders::LiteVideo::kThrottlingResultName, | 
|  | static_cast<int>( | 
|  | lite_video::LiteVideoThrottleResult::kThrottledWithoutStop)); | 
|  | } | 
|  |  | 
|  | IN_PROC_BROWSER_TEST_P(LiteVideoKeyedServiceBrowserTest, | 
|  | LiteVideoCanApplyLiteVideo_ForwardBack) { | 
|  | ukm::TestAutoSetUkmRecorder ukm_recorder; | 
|  | WaitForBlocklistToBeLoaded(); | 
|  | EXPECT_TRUE( | 
|  | LiteVideoKeyedServiceFactory::GetForProfile(browser()->profile())); | 
|  |  | 
|  | // Navigate metrics get recorded. | 
|  | GURL url("https://testserver.com"); | 
|  | NavigateParams params(browser(), url, ui::PAGE_TRANSITION_FORWARD_BACK); | 
|  | ui_test_utils::NavigateToURL(¶ms); | 
|  |  | 
|  | EXPECT_GT(RetryForHistogramUntilCountReached( | 
|  | *histogram_tester(), "LiteVideo.Navigation.HasHint", 1), | 
|  | 0); | 
|  | histogram_tester()->ExpectUniqueSample("LiteVideo.Navigation.HasHint", false, | 
|  | 1); | 
|  | histogram_tester()->ExpectTotalCount("LiteVideo.HintAgent.HasHint", 0); | 
|  | histogram_tester()->ExpectUniqueSample( | 
|  | "LiteVideo.CanApplyLiteVideo.UserBlocklist.MainFrame", | 
|  | lite_video::LiteVideoBlocklistReason::kNavigationForwardBack, 1); | 
|  | histogram_tester()->ExpectTotalCount( | 
|  | "LiteVideo.CanApplyLiteVideo.UserBlocklist.SubFrame", 0); | 
|  |  | 
|  | // Navigate to confirm that the host is blocklisted due to the Forward-Back | 
|  | // navigation. This happens after one such navigation due to overriding the | 
|  | // blocklist parameters for testing. | 
|  | NavigateParams params_blocklisted(browser(), url, ui::PAGE_TRANSITION_TYPED); | 
|  | ui_test_utils::NavigateToURL(¶ms_blocklisted); | 
|  |  | 
|  | // Close the tab to flush the UKM metrics. | 
|  | browser()->tab_strip_model()->GetActiveWebContents()->Close(); | 
|  |  | 
|  | EXPECT_GT(RetryForHistogramUntilCountReached( | 
|  | *histogram_tester(), "LiteVideo.Navigation.HasHint", 2), | 
|  | 0); | 
|  | histogram_tester()->ExpectUniqueSample("LiteVideo.Navigation.HasHint", false, | 
|  | 2); | 
|  | histogram_tester()->ExpectTotalCount("LiteVideo.HintAgent.HasHint", 0); | 
|  | histogram_tester()->ExpectBucketCount( | 
|  | "LiteVideo.CanApplyLiteVideo.UserBlocklist.MainFrame", | 
|  | lite_video::LiteVideoBlocklistReason::kNavigationBlocklisted, 1); | 
|  | histogram_tester()->ExpectTotalCount( | 
|  | "LiteVideo.CanApplyLiteVideo.UserBlocklist.SubFrame", 0); | 
|  |  | 
|  | auto entries = | 
|  | ukm_recorder.GetEntriesByName(ukm::builders::LiteVideo::kEntryName); | 
|  | ASSERT_EQ(2u, entries.size()); | 
|  | auto* entry = entries[0]; | 
|  | ukm_recorder.ExpectEntrySourceHasUrl(entry, url); | 
|  | ukm_recorder.ExpectEntryMetric( | 
|  | entry, ukm::builders::LiteVideo::kThrottlingStartDecisionName, | 
|  | static_cast<int>(lite_video::LiteVideoDecision::kNotAllowed)); | 
|  | ukm_recorder.ExpectEntryMetric( | 
|  | entry, ukm::builders::LiteVideo::kBlocklistReasonName, | 
|  | static_cast<int>( | 
|  | lite_video::LiteVideoBlocklistReason::kNavigationForwardBack)); | 
|  | ukm_recorder.ExpectEntryMetric( | 
|  | entry, ukm::builders::LiteVideo::kThrottlingResultName, | 
|  | static_cast<int>( | 
|  | lite_video::LiteVideoThrottleResult::kThrottledWithoutStop)); | 
|  |  | 
|  | entry = entries[1]; | 
|  | ukm_recorder.ExpectEntrySourceHasUrl(entry, url); | 
|  | ukm_recorder.ExpectEntryMetric( | 
|  | entry, ukm::builders::LiteVideo::kThrottlingStartDecisionName, | 
|  | static_cast<int>(lite_video::LiteVideoDecision::kNotAllowed)); | 
|  | ukm_recorder.ExpectEntryMetric( | 
|  | entry, ukm::builders::LiteVideo::kBlocklistReasonName, | 
|  | static_cast<int>( | 
|  | lite_video::LiteVideoBlocklistReason::kNavigationBlocklisted)); | 
|  | ukm_recorder.ExpectEntryMetric( | 
|  | entry, ukm::builders::LiteVideo::kThrottlingResultName, | 
|  | static_cast<int>( | 
|  | lite_video::LiteVideoThrottleResult::kThrottledWithoutStop)); | 
|  | } | 
|  |  | 
|  | #if defined(OS_MAC) | 
|  | // Flaky on Mac, and in any case the feature under test is not used on Mac: | 
|  | // https://crbug.com/1172472 | 
|  | #define MAYBE_MultipleNavigationsNotBlocklisted \ | 
|  | DISABLED_MultipleNavigationsNotBlocklisted | 
|  | #else | 
|  | #define MAYBE_MultipleNavigationsNotBlocklisted \ | 
|  | MultipleNavigationsNotBlocklisted | 
|  | #endif | 
|  |  | 
|  | IN_PROC_BROWSER_TEST_P(LiteVideoKeyedServiceBrowserTest, | 
|  | MAYBE_MultipleNavigationsNotBlocklisted) { | 
|  | ukm::TestAutoSetUkmRecorder ukm_recorder; | 
|  | WaitForBlocklistToBeLoaded(); | 
|  | EXPECT_TRUE( | 
|  | LiteVideoKeyedServiceFactory::GetForProfile(browser()->profile())); | 
|  |  | 
|  | GURL url("https://litevideo.com"); | 
|  |  | 
|  | // Navigate metrics get recorded. | 
|  | NavigateParams params(browser(), url, ui::PAGE_TRANSITION_TYPED); | 
|  | ui_test_utils::NavigateToURL(¶ms); | 
|  |  | 
|  | EXPECT_GT(RetryForHistogramUntilCountReached( | 
|  | *histogram_tester(), "LiteVideo.HintAgent.HasHint", 1), | 
|  | 0); | 
|  | histogram_tester()->ExpectUniqueSample("LiteVideo.Navigation.HasHint", true, | 
|  | 1); | 
|  | histogram_tester()->ExpectUniqueSample("LiteVideo.HintAgent.HasHint", true, | 
|  | 1); | 
|  | histogram_tester()->ExpectUniqueSample( | 
|  | "LiteVideo.CanApplyLiteVideo.UserBlocklist.MainFrame", | 
|  | lite_video::LiteVideoBlocklistReason::kAllowed, 1); | 
|  | histogram_tester()->ExpectTotalCount( | 
|  | "LiteVideo.CanApplyLiteVideo.UserBlocklist.SubFrame", 0); | 
|  |  | 
|  | // Navigate  again to ensure that it was not blocklisted. | 
|  | ui_test_utils::NavigateToURL(¶ms); | 
|  |  | 
|  | // Close the tab to flush the UKM metrics. | 
|  | browser()->tab_strip_model()->GetActiveWebContents()->Close(); | 
|  |  | 
|  | EXPECT_GT(RetryForHistogramUntilCountReached( | 
|  | *histogram_tester(), "LiteVideo.HintAgent.HasHint", 2), | 
|  | 0); | 
|  | histogram_tester()->ExpectBucketCount("LiteVideo.Navigation.HasHint", true, | 
|  | 2); | 
|  | histogram_tester()->ExpectBucketCount("LiteVideo.HintAgent.HasHint", true, 2); | 
|  | histogram_tester()->ExpectBucketCount( | 
|  | "LiteVideo.CanApplyLiteVideo.UserBlocklist.MainFrame", | 
|  | lite_video::LiteVideoBlocklistReason::kAllowed, 2); | 
|  | histogram_tester()->ExpectTotalCount( | 
|  | "LiteVideo.CanApplyLiteVideo.UserBlocklist.SubFrame", 0); | 
|  |  | 
|  | auto entries = | 
|  | ukm_recorder.GetEntriesByName(ukm::builders::LiteVideo::kEntryName); | 
|  | ASSERT_EQ(2u, entries.size()); | 
|  | for (auto* entry : entries) { | 
|  | ukm_recorder.ExpectEntrySourceHasUrl(entry, url); | 
|  | ukm_recorder.ExpectEntryMetric( | 
|  | entry, ukm::builders::LiteVideo::kThrottlingStartDecisionName, | 
|  | static_cast<int>(lite_video::LiteVideoDecision::kAllowed)); | 
|  | ukm_recorder.ExpectEntryMetric( | 
|  | entry, ukm::builders::LiteVideo::kBlocklistReasonName, | 
|  | static_cast<int>(lite_video::LiteVideoBlocklistReason::kAllowed)); | 
|  | ukm_recorder.ExpectEntryMetric( | 
|  | entry, ukm::builders::LiteVideo::kThrottlingResultName, | 
|  | static_cast<int>( | 
|  | lite_video::LiteVideoThrottleResult::kThrottledWithoutStop)); | 
|  | } | 
|  | } | 
|  |  | 
|  | // This test fails on Windows because of the backing store for the blocklist. | 
|  | // LiteVideos is an Android only feature so disabling the test permananently | 
|  | // for Windows. | 
|  | #if defined(OS_WIN) | 
|  | #define DISABLE_ON_WIN(x) DISABLED_##x | 
|  | #else | 
|  | #define DISABLE_ON_WIN(x) x | 
|  | #endif | 
|  |  | 
|  | IN_PROC_BROWSER_TEST_P( | 
|  | LiteVideoKeyedServiceBrowserTest, | 
|  | DISABLE_ON_WIN(UserBlocklistClearedOnBrowserHistoryClear)) { | 
|  | WaitForBlocklistToBeLoaded(); | 
|  | content::NetworkConnectionChangeSimulator().SetConnectionType( | 
|  | network::mojom::ConnectionType::CONNECTION_4G); | 
|  | g_browser_process->network_quality_tracker() | 
|  | ->ReportEffectiveConnectionTypeForTesting( | 
|  | net::EffectiveConnectionType::EFFECTIVE_CONNECTION_TYPE_4G); | 
|  | EXPECT_TRUE( | 
|  | LiteVideoKeyedServiceFactory::GetForProfile(browser()->profile())); | 
|  |  | 
|  | // Navigate metrics get recorded. | 
|  | GURL url("https://litevideo.com"); | 
|  | NavigateParams params(browser(), url, ui::PAGE_TRANSITION_FORWARD_BACK); | 
|  | ui_test_utils::NavigateToURL(¶ms); | 
|  |  | 
|  | EXPECT_GT(RetryForHistogramUntilCountReached( | 
|  | *histogram_tester(), "LiteVideo.Navigation.HasHint", 1), | 
|  | 0); | 
|  | histogram_tester()->ExpectUniqueSample("LiteVideo.Navigation.HasHint", false, | 
|  | 1); | 
|  | histogram_tester()->ExpectUniqueSample( | 
|  | "LiteVideo.CanApplyLiteVideo.UserBlocklist.MainFrame", | 
|  | lite_video::LiteVideoBlocklistReason::kNavigationForwardBack, 1); | 
|  | histogram_tester()->ExpectTotalCount( | 
|  | "LiteVideo.CanApplyLiteVideo.UserBlocklist.SubFrame", 0); | 
|  |  | 
|  | // Navigate to confirm that the host is blocklisted. | 
|  | NavigateParams params_blocklisted(browser(), url, ui::PAGE_TRANSITION_TYPED); | 
|  | ui_test_utils::NavigateToURL(¶ms_blocklisted); | 
|  |  | 
|  | EXPECT_GT(RetryForHistogramUntilCountReached( | 
|  | *histogram_tester(), "LiteVideo.Navigation.HasHint", 2), | 
|  | 0); | 
|  | histogram_tester()->ExpectUniqueSample("LiteVideo.Navigation.HasHint", false, | 
|  | 2); | 
|  | histogram_tester()->ExpectBucketCount( | 
|  | "LiteVideo.CanApplyLiteVideo.UserBlocklist.MainFrame", | 
|  | lite_video::LiteVideoBlocklistReason::kNavigationBlocklisted, 1); | 
|  | histogram_tester()->ExpectTotalCount( | 
|  | "LiteVideo.CanApplyLiteVideo.UserBlocklist.SubFrame", 0); | 
|  |  | 
|  | // Wipe the browser history, clearing the user blocklist. | 
|  | // This should allow LiteVideos on the next navigation. | 
|  | browser()->profile()->Wipe(); | 
|  | if (IsUsingOptGuide()) { | 
|  | // Browser clear wipes the Optimization Guide hint store so | 
|  | // we need to re-seed the hints. | 
|  | SeedOptGuideLiteVideoHints(url); | 
|  | } | 
|  |  | 
|  | EXPECT_GT( | 
|  | RetryForHistogramUntilCountReached( | 
|  | *histogram_tester(), "LiteVideo.UserBlocklist.ClearBlocklist", 1), | 
|  | 0); | 
|  | histogram_tester()->ExpectUniqueSample( | 
|  | "LiteVideo.UserBlocklist.ClearBlocklist", true, 1); | 
|  |  | 
|  | ui_test_utils::NavigateToURL(¶ms_blocklisted); | 
|  |  | 
|  | EXPECT_GT(RetryForHistogramUntilCountReached( | 
|  | *histogram_tester(), "LiteVideo.Navigation.HasHint", 3), | 
|  | 0); | 
|  | histogram_tester()->ExpectBucketCount("LiteVideo.Navigation.HasHint", true, | 
|  | 1); | 
|  | histogram_tester()->ExpectBucketCount( | 
|  | "LiteVideo.CanApplyLiteVideo.UserBlocklist.MainFrame", | 
|  | lite_video::LiteVideoBlocklistReason::kAllowed, 1); | 
|  | histogram_tester()->ExpectTotalCount( | 
|  | "LiteVideo.CanApplyLiteVideo.UserBlocklist.SubFrame", 0); | 
|  | } | 
|  |  | 
|  | class LiteVideoNetworkConnectionBrowserTest | 
|  | : public LiteVideoKeyedServiceBrowserTest { | 
|  | public: | 
|  | LiteVideoNetworkConnectionBrowserTest() : use_opt_guide_(GetParam()) {} | 
|  | ~LiteVideoNetworkConnectionBrowserTest() override = default; | 
|  |  | 
|  | void SetUpCommandLine(base::CommandLine* cmd) override { | 
|  | // This removes the network override switch. | 
|  | cmd->AppendSwitch("enable-spdy-proxy-auth"); | 
|  | } | 
|  |  | 
|  | private: | 
|  | base::test::ScopedFeatureList scoped_feature_list_; | 
|  | const bool use_opt_guide_ = false; | 
|  | }; | 
|  |  | 
|  | INSTANTIATE_TEST_SUITE_P(UsingOptGuide, | 
|  | LiteVideoNetworkConnectionBrowserTest, | 
|  | ::testing::Bool(), | 
|  | ::testing::PrintToStringParamName()); | 
|  |  | 
|  | IN_PROC_BROWSER_TEST_P(LiteVideoNetworkConnectionBrowserTest, | 
|  | LiteVideoCanApplyLiteVideo_NetworkNotCellular) { | 
|  | WaitForBlocklistToBeLoaded(); | 
|  | EXPECT_TRUE( | 
|  | LiteVideoKeyedServiceFactory::GetForProfile(browser()->profile())); | 
|  |  | 
|  | content::NetworkConnectionChangeSimulator().SetConnectionType( | 
|  | network::mojom::ConnectionType::CONNECTION_WIFI); | 
|  |  | 
|  | GURL navigation_url("https://litevideo.com"); | 
|  |  | 
|  | // Navigate metrics get recorded. | 
|  | ui_test_utils::NavigateToURL(browser(), navigation_url); | 
|  | EXPECT_GT(RetryForHistogramUntilCountReached( | 
|  | *histogram_tester(), "LiteVideo.Navigation.HasHint", 1), | 
|  | 0); | 
|  |  | 
|  | histogram_tester()->ExpectUniqueSample("LiteVideo.Navigation.HasHint", false, | 
|  | 1); | 
|  | histogram_tester()->ExpectTotalCount("LiteVideo.HintAgent.HasHint", 0); | 
|  | histogram_tester()->ExpectTotalCount( | 
|  | "LiteVideo.CanApplyLiteVideo.UserBlocklist.MainFrame", 0); | 
|  | histogram_tester()->ExpectTotalCount( | 
|  | "LiteVideo.CanApplyLiteVideo.UserBlocklist.SubFrame", 0); | 
|  | } | 
|  |  | 
|  | IN_PROC_BROWSER_TEST_P( | 
|  | LiteVideoNetworkConnectionBrowserTest, | 
|  | LiteVideoCanApplyLiteVideo_NetworkConnectionBelowMinECT) { | 
|  | WaitForBlocklistToBeLoaded(); | 
|  | EXPECT_TRUE( | 
|  | LiteVideoKeyedServiceFactory::GetForProfile(browser()->profile())); | 
|  |  | 
|  | g_browser_process->network_quality_tracker() | 
|  | ->ReportEffectiveConnectionTypeForTesting( | 
|  | net::EffectiveConnectionType::EFFECTIVE_CONNECTION_TYPE_2G); | 
|  |  | 
|  | GURL navigation_url("https://litevideo.com"); | 
|  |  | 
|  | // Navigate metrics get recorded. | 
|  | ui_test_utils::NavigateToURL(browser(), navigation_url); | 
|  |  | 
|  | EXPECT_GT(RetryForHistogramUntilCountReached( | 
|  | *histogram_tester(), "LiteVideo.Navigation.HasHint", 1), | 
|  | 0); | 
|  | histogram_tester()->ExpectUniqueSample("LiteVideo.Navigation.HasHint", false, | 
|  | 1); | 
|  | histogram_tester()->ExpectTotalCount("LiteVideo.HintAgent.HasHint", 0); | 
|  | histogram_tester()->ExpectTotalCount( | 
|  | "LiteVideo.CanApplyLiteVideo.UserBlocklist.MainFrame", 0); | 
|  | histogram_tester()->ExpectTotalCount( | 
|  | "LiteVideo.CanApplyLiteVideo.UserBlocklist.SubFrame", 0); | 
|  | } | 
|  |  | 
|  | IN_PROC_BROWSER_TEST_P(LiteVideoKeyedServiceBrowserTest, | 
|  | LiteVideoCanApplyLiteVideo_NavigationWithSubframe) { | 
|  | ukm::TestAutoSetUkmRecorder ukm_recorder; | 
|  | SetEffectiveConnectionType( | 
|  | net::EffectiveConnectionType::EFFECTIVE_CONNECTION_TYPE_4G); | 
|  | WaitForBlocklistToBeLoaded(); | 
|  | EXPECT_TRUE( | 
|  | LiteVideoKeyedServiceFactory::GetForProfile(browser()->profile())); | 
|  |  | 
|  | // Navigate metrics get recorded. | 
|  | ui_test_utils::NavigateToURL(browser(), https_url()); | 
|  |  | 
|  | EXPECT_EQ(RetryForHistogramUntilCountReached( | 
|  | *histogram_tester(), "LiteVideo.Navigation.HasHint", 2), | 
|  | 2); | 
|  | histogram_tester()->ExpectBucketCount("LiteVideo.Navigation.HasHint", false, | 
|  | 2); | 
|  | histogram_tester()->ExpectBucketCount( | 
|  | "LiteVideo.CanApplyLiteVideo.UserBlocklist.MainFrame", | 
|  | lite_video::LiteVideoBlocklistReason::kAllowed, 1); | 
|  | histogram_tester()->ExpectBucketCount( | 
|  | "LiteVideo.CanApplyLiteVideo.UserBlocklist.SubFrame", | 
|  | lite_video::LiteVideoBlocklistReason::kAllowed, 1); | 
|  |  | 
|  | // Close the tab to flush the UKM metrics. | 
|  | browser()->tab_strip_model()->GetActiveWebContents()->Close(); | 
|  |  | 
|  | auto entries = | 
|  | ukm_recorder.GetEntriesByName(ukm::builders::LiteVideo::kEntryName); | 
|  | ASSERT_EQ(1u, entries.size()); | 
|  | auto* entry = entries[0]; | 
|  | ukm_recorder.ExpectEntrySourceHasUrl(entry, https_url()); | 
|  | ukm_recorder.ExpectEntryMetric( | 
|  | entry, ukm::builders::LiteVideo::kThrottlingStartDecisionName, | 
|  | static_cast<int>(lite_video::LiteVideoDecision::kNotAllowed)); | 
|  | ukm_recorder.ExpectEntryMetric( | 
|  | entry, ukm::builders::LiteVideo::kBlocklistReasonName, | 
|  | static_cast<int>(lite_video::LiteVideoBlocklistReason::kAllowed)); | 
|  | ukm_recorder.ExpectEntryMetric( | 
|  | entry, ukm::builders::LiteVideo::kThrottlingResultName, | 
|  | static_cast<int>( | 
|  | lite_video::LiteVideoThrottleResult::kThrottledWithoutStop)); | 
|  | } | 
|  |  | 
|  | class LiteVideoKeyedServiceCoinflipBrowserTest | 
|  | : public LiteVideoKeyedServiceBrowserTest { | 
|  | public: | 
|  | LiteVideoKeyedServiceCoinflipBrowserTest() : use_opt_guide_(GetParam()) {} | 
|  | ~LiteVideoKeyedServiceCoinflipBrowserTest() override = default; | 
|  |  | 
|  | void SetUp() override { | 
|  | if (use_opt_guide_) { | 
|  | scoped_feature_list_.InitWithFeaturesAndParameters( | 
|  | {{::features::kLiteVideo, | 
|  | {{"use_optimization_guide", "true"}, {"is_coinflip_exp", "true"}}}, | 
|  | {optimization_guide::features::kOptimizationHints, {}}}, | 
|  | /*disabled_features=*/{}); | 
|  | } else { | 
|  | scoped_feature_list_.InitAndEnableFeatureWithParameters( | 
|  | {::features::kLiteVideo}, {{"is_coinflip_exp", "true"}}); | 
|  | } | 
|  | SetUpHTTPSServer(); | 
|  | InProcessBrowserTest::SetUp(); | 
|  | } | 
|  |  | 
|  | private: | 
|  | base::test::ScopedFeatureList scoped_feature_list_; | 
|  | const bool use_opt_guide_ = false; | 
|  | }; | 
|  |  | 
|  | INSTANTIATE_TEST_SUITE_P(UsingOptGuide, | 
|  | LiteVideoKeyedServiceCoinflipBrowserTest, | 
|  | ::testing::Bool(), | 
|  | ::testing::PrintToStringParamName()); | 
|  |  | 
|  | IN_PROC_BROWSER_TEST_P(LiteVideoKeyedServiceCoinflipBrowserTest, | 
|  | LiteVideoCanApplyLiteVideo_CoinflipHoldback) { | 
|  | base::CommandLine::ForCurrentProcess()->AppendSwitch( | 
|  | lite_video::switches::kLiteVideoForceOverrideDecision); | 
|  | base::CommandLine::ForCurrentProcess()->AppendSwitch( | 
|  | lite_video::switches::kLiteVideoForceCoinflipHoldback); | 
|  | ukm::TestAutoSetUkmRecorder ukm_recorder; | 
|  | SetEffectiveConnectionType( | 
|  | net::EffectiveConnectionType::EFFECTIVE_CONNECTION_TYPE_4G); | 
|  | WaitForBlocklistToBeLoaded(); | 
|  | EXPECT_TRUE( | 
|  | LiteVideoKeyedServiceFactory::GetForProfile(browser()->profile())); | 
|  |  | 
|  | // Navigate metrics get recorded. | 
|  | ui_test_utils::NavigateToURL(browser(), https_url()); | 
|  |  | 
|  | EXPECT_EQ(RetryForHistogramUntilCountReached( | 
|  | *histogram_tester(), "LiteVideo.Navigation.HasHint", 2), | 
|  | 2); | 
|  | histogram_tester()->ExpectBucketCount("LiteVideo.Navigation.HasHint", true, | 
|  | 2); | 
|  |  | 
|  | // Close the tab to flush the UKM metrics. | 
|  | browser()->tab_strip_model()->GetActiveWebContents()->Close(); | 
|  |  | 
|  | auto entries = | 
|  | ukm_recorder.GetEntriesByName(ukm::builders::LiteVideo::kEntryName); | 
|  | // Only recording the mainframe event. | 
|  | ASSERT_EQ(1u, entries.size()); | 
|  | auto* entry = entries[0]; | 
|  | // Both entries should be tied to the mainframe url. | 
|  | ukm_recorder.ExpectEntrySourceHasUrl(entry, https_url()); | 
|  | ukm_recorder.ExpectEntryMetric( | 
|  | entry, ukm::builders::LiteVideo::kThrottlingStartDecisionName, | 
|  | static_cast<int>(lite_video::LiteVideoDecision::kHoldback)); | 
|  | } | 
|  |  | 
|  | IN_PROC_BROWSER_TEST_P(LiteVideoKeyedServiceBrowserTest, | 
|  | HostPermanentlyBlocklisted) { | 
|  | ukm::TestAutoSetUkmRecorder ukm_recorder; | 
|  | SetEffectiveConnectionType( | 
|  | net::EffectiveConnectionType::EFFECTIVE_CONNECTION_TYPE_4G); | 
|  |  | 
|  | WaitForBlocklistToBeLoaded(); | 
|  | EXPECT_TRUE( | 
|  | LiteVideoKeyedServiceFactory::GetForProfile(browser()->profile())); | 
|  |  | 
|  | GURL navigation_url("https://blockedhost.com"); | 
|  |  | 
|  | // Navigate metrics get recorded. | 
|  | ui_test_utils::NavigateToURL(browser(), navigation_url); | 
|  |  | 
|  | EXPECT_GT(RetryForHistogramUntilCountReached( | 
|  | *histogram_tester(), "LiteVideo.Navigation.HasHint", 1), | 
|  | 0); | 
|  | histogram_tester()->ExpectUniqueSample("LiteVideo.Navigation.HasHint", false, | 
|  | 1); | 
|  | histogram_tester()->ExpectTotalCount("LiteVideo.HintAgent.HasHint", 0); | 
|  | histogram_tester()->ExpectUniqueSample( | 
|  | "LiteVideo.CanApplyLiteVideo.UserBlocklist.MainFrame", | 
|  | lite_video::LiteVideoBlocklistReason::kHostPermanentlyBlocklisted, 1); | 
|  | histogram_tester()->ExpectTotalCount( | 
|  | "LiteVideo.CanApplyLiteVideo.UserBlocklist.SubFrame", 0); | 
|  | } |