components/safe_browsing/core/common/features.h - chromium/src - Git at Google

 // Copyright 2017 The Chromium Authors
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.

 #ifndef COMPONENTS_SAFE_BROWSING_CORE_COMMON_FEATURES_H_
 #define COMPONENTS_SAFE_BROWSING_CORE_COMMON_FEATURES_H_

 #include <stddef.h>

 #include "base/feature_list.h"
 #include "base/metrics/field_trial_params.h"
 #include "base/values.h"

 namespace safe_browsing {
 // Features list, in alphabetical order.

 // Controls various parameters related to occasionally collecting ad samples,
 // for example to control how often collection should occur.
 BASE_DECLARE_FEATURE(kAdSamplerTriggerFeature);

 // Enables adding warning shown timestamp to client safe browsing report.
 BASE_DECLARE_FEATURE(kAddWarningShownTSToClientSafeBrowsingReport);

 // Killswitch for client side phishing detection. Since client side models are
 // run on a large fraction of navigations, crashes due to the model are very
 // impactful, even if only a small fraction of users have a bad version of the
 // model. This Finch flag allows us to remediate long-tail component versions
 // while we fix the root cause. This will also halt the model distribution from
 // OptimizationGuide.
 BASE_DECLARE_FEATURE(kClientSideDetectionKillswitch);

 // Expand CSPP beyond phishing and trigger when keyboard or pointer lock request
 // occurs on the page.
 BASE_DECLARE_FEATURE(kClientSideDetectionKeyboardPointerLockRequest);

 // Expand CSD-Phishing beyond phishing and trigger when a notification prompt
 // occurs on the page.
 BASE_DECLARE_FEATURE(kClientSideDetectionNotificationPrompt);

 // Send a sample CSPP ping when a URL matches the CSD allowlist and all other
 // preclassification check conditions pass.
 BASE_DECLARE_FEATURE(kClientSideDetectionSamplePing);

 // Expand CSPP beyond phishing and trigger when vibration API is called on the
 // web page.
 BASE_DECLARE_FEATURE(kClientSideDetectionVibrationApi);

 // Creates and sends CSBRRs when notification permissions are accepted for an
 // abusive site whose interstitial has been bypassed.
 BASE_DECLARE_FEATURE(kCreateNotificationsAcceptedClientSafeBrowsingReports);

 // Creates and sends CSBRRs when warnings are first shown to users.
 BASE_DECLARE_FEATURE(kCreateWarningShownClientSafeBrowsingReports);

 // Controls whether we prompt the user on unencrypted deep scans.
 BASE_DECLARE_FEATURE(kDeepScanningPromptRemoval);

 // Controls whether we use new broader criteria for deep scans.
 BASE_DECLARE_FEATURE(kDeepScanningCriteria);

 // Controls whether the delayed warning experiment is enabled.
 BASE_DECLARE_FEATURE(kDelayedWarnings);
 // True if mouse clicks should undelay the warnings immediately when delayed
 // warnings feature is enabled.
 extern const base::FeatureParam<bool> kDelayedWarningsEnableMouseClicks;

 // Sends the WebProtect content scanning request to the corresponding regional
 // DLP endpoint based on ChromeDataRegionSetting policy.
 BASE_DECLARE_FEATURE(kDlpRegionalizedEndpoints);

 // Sends download report without explicit user decision. This can be either the
 // download is automatically discarded 1 hour after the warning is shown, or
 // the profile is closed while the warning is still showing.
 BASE_DECLARE_FEATURE(kDownloadReportWithoutUserDecision);

 // The kill switch for download tailored warnings. The main control is on the
 // server-side.
 BASE_DECLARE_FEATURE(kDownloadTailoredWarnings);

 // Enables HaTS surveys for users encountering desktop download warnings on the
 // download bubble or the downloads page.
 BASE_DECLARE_FEATURE(kDownloadWarningSurvey);

 // Gives the type of the download warning HaTS survey that the user is eligible
 // for. This should be set in the fieldtrial config along with the trigger ID
 // for the corresponding survey (as en_site_id). The int value corresponds to
 // the value of DownloadWarningHatsType enum (see
 // //c/b/download/download_warning_desktop_hats_util.h).
 extern const base::FeatureParam<int> kDownloadWarningSurveyType;

 // The time interval after which to consider a download warning ignored, and
 // potentially show the survey for ignoring a download bubble warning.
 extern const base::FeatureParam<int> kDownloadWarningSurveyIgnoreDelaySeconds;

 // Controls whether Standard Safe Browsing users are permitted to provide
 // passwords for local decryption on encrypted archives.
 BASE_DECLARE_FEATURE(kEncryptedArchivesMetadata);

 // Controls whether Safe Browsing Extended Reporting (SBER) is deprecated.
 // When this feature flag is enabled:
 // - the Extended Reporting toggle will not be displayed on
 //   chrome://settings/security
 // - features will not depend on the SBER preference value,
 //   safebrowsing.scout_reporting_enabled
 BASE_DECLARE_FEATURE(kExtendedReportingRemovePrefDependency);

 // Allows the Extension Telemetry Service to accept and use configurations
 // sent by the server.
 BASE_DECLARE_FEATURE(kExtensionTelemetryConfiguration);

 // Enables collection of telemetry signal whenever an extension invokes the
 // declarativeNetRequest actions.
 BASE_DECLARE_FEATURE(kExtensionTelemetryDeclarativeNetRequestActionSignal);

 // Allows the Extension Telemetry Service to include file data of extensions
 // specified in the --load-extension commandline switch in telemetry reports.
 BASE_DECLARE_FEATURE(kExtensionTelemetryFileDataForCommandLineExtensions);

 // Enables collection of telemetry signal whenever an extension invokes the
 // chrome.tabs API methods.
 BASE_DECLARE_FEATURE(kExtensionTelemetryTabsApiSignal);

 // Enables collection of telemetry signal whenever an extension invokes the
 // chrome.tabs.captureVisibleTab API method.
 BASE_DECLARE_FEATURE(kExtensionTelemetryTabsApiSignalCaptureVisibleTab);

 // Enables collection of telemetry signal whenever an extension invokes the
 // tabs.executeScript API call.
 BASE_DECLARE_FEATURE(kExtensionTelemetryTabsExecuteScriptSignal);

 // Enables reporting of remote hosts contacted by extensions in telemetry.
 BASE_DECLARE_FEATURE(kExtensionTelemetryReportContactedHosts);

 // Enables reporting of remote hosts contacted by extensions via websockets;
 BASE_DECLARE_FEATURE(kExtensionTelemetryReportHostsContactedViaWebSocket);

 // Enables intercepting remote hosts contacted by extensions in renderer
 // throttles.
 BASE_DECLARE_FEATURE(
     kExtensionTelemetryInterceptRemoteHostsContactedInRenderer);

 // Enables collection of potential password theft data and uploads
 // telemetry reports to SB servers.
 BASE_DECLARE_FEATURE(kExtensionTelemetryPotentialPasswordTheft);

 // Enables remotely disabling of malicious off-store extensions identified in
 // Extension Telemetry service reports.
 BASE_DECLARE_FEATURE(kExtensionTelemetryDisableOffstoreExtensions);

 // Enables the new text, layout, links, and icons on both the privacy guide
 // and on the security settings page for the enhanced protection security
 // option.
 BASE_DECLARE_FEATURE(kFriendlierSafeBrowsingSettingsEnhancedProtection);

 // Enables the new text and layout on both the privacy guide and on the
 // security settings page for the standard protection security option.
 BASE_DECLARE_FEATURE(kFriendlierSafeBrowsingSettingsStandardProtection);

 // Prompt users to re-enable Android app verification on APK download.
 BASE_DECLARE_FEATURE(kGooglePlayProtectPrompt);

 // Sends hash-prefix real-time lookup requests on navigations for Standard Safe
 // Browsing users instead of hash-prefix database lookups.
 BASE_DECLARE_FEATURE(kHashPrefixRealTimeLookups);

 // This parameter controls the relay URL that will forward the lookup requests
 // to the Safe Browsing server.
 extern const base::FeatureParam<std::string> kHashPrefixRealTimeLookupsRelayUrl;

 // Enable faster OHTTP key rotation for hash-prefix real-time lookups.
 BASE_DECLARE_FEATURE(kHashPrefixRealTimeLookupsFasterOhttpKeyRotation);

 // Show referrer URL on download item on chrome://downloads page. This will
 // replace the downloads url.
 BASE_DECLARE_FEATURE(kDownloadsPageReferrerUrl);

 // Enable logging of the account enhanced protection setting in Protego pings.
 BASE_DECLARE_FEATURE(kLogAccountEnhancedProtectionStateInProtegoPings);

 // If enabled, the Safe Browsing database will be stored in a separate file and
 // mapped into memory.
 BASE_DECLARE_FEATURE(kMmapSafeBrowsingDatabase);

 // Whether hash prefix lookups are done on a background thread when
 // kMmapSafeBrowsingDatabase is enabled.
 extern const base::FeatureParam<bool> kMmapSafeBrowsingDatabaseAsync;

 // Enables unpacking of nested archives during downloads.
 BASE_DECLARE_FEATURE(kNestedArchives);

 // Controls whether custom messages from admin are shown for warn and block
 // enterprise interstitials.
 BASE_DECLARE_FEATURE(kRealTimeUrlFilteringCustomMessage);

 // Enables modifying key parameters on the navigation event collection used to
 // populate referrer chains.
 BASE_DECLARE_FEATURE(kReferrerChainParameters);

 // The maximum age entry we keep in memory. Older entries are cleaned up. This
 // is independent of the maximum age entry we send to Safe Browsing, which is
 // fixed for privacy reasons.
 extern const base::FeatureParam<int> kReferrerChainEventMaximumAgeSeconds;

 // The maximum number of navigation events we keep in memory.
 extern const base::FeatureParam<int> kReferrerChainEventMaximumCount;

 // Controls whether asynchronous real-time check is enabled. When enabled, the
 // navigation can be committed before real-time Safe Browsing check is
 // completed.
 BASE_DECLARE_FEATURE(kSafeBrowsingAsyncRealTimeCheck);

 #if BUILDFLAG(IS_ANDROID)
 // Whether to call the new API on startup to reduce latency.
 BASE_DECLARE_FEATURE(kSafeBrowsingCallNewGmsApiOnStartup);

 // Use new GMSCore API for hash database check on browser URLs.
 BASE_DECLARE_FEATURE(kSafeBrowsingNewGmsApiForBrowseUrlDatabaseCheck);

 // Use new GMSCore API for subresource filter checks.
 BASE_DECLARE_FEATURE(kSafeBrowsingNewGmsApiForSubresourceFilterCheck);
 #endif

 // Run Safe Browsing code on UI thread.
 BASE_DECLARE_FEATURE(kSafeBrowsingOnUIThread);

 // Enable adding copy/paste navigation to the referrer chain.
 BASE_DECLARE_FEATURE(kSafeBrowsingReferrerChainWithCopyPasteNavigation);

 // Controls whether cookies are removed when the access token is present.
 BASE_DECLARE_FEATURE(kSafeBrowsingRemoveCookiesInAuthRequests);

 // Automatically revoke abusive notifications in Safety Hub.
 BASE_DECLARE_FEATURE(kSafetyHubAbusiveNotificationRevocation);

 // Controls whether the new 7z evaluation is performed on downloads.
 BASE_DECLARE_FEATURE(kSevenZipEvaluationEnabled);

 // Status of the SimplifiedUrlDisplay experiments. This does not control the
 // individual experiments, those are controlled by their own feature flags.
 // The feature is only set by Finch so that we can differentiate between
 // default and control groups of the experiment.
 BASE_DECLARE_FEATURE(kSimplifiedUrlDisplay);

 // Controls whether the download inspection timeout is applied over the entire
 // request, or just the network communication.
 BASE_DECLARE_FEATURE(kStrictDownloadTimeout);

 // Specifies the duration of the timeout, in milliseconds.
 extern const base::FeatureParam<int> kStrictDownloadTimeoutMilliseconds;

 // Enables suspicious site detection for real time URL lookups.
 BASE_DECLARE_FEATURE(kSuspiciousSiteDetectionRTLookups);

 // Controls the daily quota for the suspicious site trigger.
 BASE_DECLARE_FEATURE(kSuspiciousSiteTriggerQuotaFeature);

 // Enable a retry for the tailored security dialogs when the dialog fails to
 // show for a user whose google account has sync turned on. This feature helps
 // run the tailored security logic for users where the integration failed in the
 // past.
 BASE_DECLARE_FEATURE(kTailoredSecurityRetryForSyncUsers);

 #if BUILDFLAG(IS_ANDROID)
 // Enable an observer-based retry mechanism for the tailored security dialogs.
 // When enabled, the tailored security integration will use tab observers to
 // retry the tailored security logic when a WebContents becomes available.
 BASE_DECLARE_FEATURE(kTailoredSecurityObserverRetries);
 #endif

 // Controls whether the integration of tailored security settings is enabled.
 BASE_DECLARE_FEATURE(kTailoredSecurityIntegration);

 // Specifies which non-resource HTML Elements to collect based on their tag and
 // attributes. It's a single param containing a comma-separated list of pairs.
 // For example: "tag1,id,tag1,height,tag2,foo" - this will collect elements with
 // tag "tag1" that have attribute "id" or "height" set, and elements of tag
 // "tag2" if they have attribute "foo" set. All tag names and attributes should
 // be lower case.
 BASE_DECLARE_FEATURE(kThreatDomDetailsTagAndAttributeFeature);

 // Controls the behavior of visual features in CSD pings. This feature is
 // checked for the final size of the visual features and the minimum size of
 // the screen.
 BASE_DECLARE_FEATURE(kVisualFeaturesSizes);

 base::Value::List GetFeatureStatusList();

 // Enables new ESB specific threshold fields in Visual TF Lite model files
 BASE_DECLARE_FEATURE(kSafeBrowsingPhishingClassificationESBThreshold);

 // Enables client side phishing daily reports limit to be configured via Finch
 // for ESB and SBER users
 BASE_DECLARE_FEATURE(kSafeBrowsingDailyPhishingReportsLimit);

 // Specifies the CSD-Phishing daily reports limit for ESB users
 extern const base::FeatureParam<int> kSafeBrowsingDailyPhishingReportsLimitESB;

 BASE_DECLARE_FEATURE(kClientSideDetectionModelImageEmbedder);

 // Enables HaTS surveys for users encountering red warnings.
 BASE_DECLARE_FEATURE(kRedWarningSurvey);

 // Specifies the HaTS survey's identifier.
 extern const base::FeatureParam<std::string> kRedWarningSurveyTriggerId;

 // Specifies which CSBRR report types (and thus, red warning types) we want to
 // show HaTS surveys for.
 extern const base::FeatureParam<std::string> kRedWarningSurveyReportTypeFilter;

 // Specifies whether we want to show HaTS surveys based on if the user bypassed
 // the warning or not. Note: specifying any combination of TRUE and FALSE
 // corresponds to "don't care."
 extern const base::FeatureParam<std::string> kRedWarningSurveyDidProceedFilter;

 BASE_DECLARE_FEATURE(kClientSideDetectionDebuggingMetadataCache);

 // Enables Enhanced Safe Browsing promos for iOS.
 BASE_DECLARE_FEATURE(kEnhancedSafeBrowsingPromo);

 }  // namespace safe_browsing
 #endif  // COMPONENTS_SAFE_BROWSING_CORE_COMMON_FEATURES_H_
	// Copyright 2017 The Chromium Authors
	// Use of this source code is governed by a BSD-style license that can be
	// found in the LICENSE file.

	#ifndef COMPONENTS_SAFE_BROWSING_CORE_COMMON_FEATURES_H_
	#define COMPONENTS_SAFE_BROWSING_CORE_COMMON_FEATURES_H_

	#include <stddef.h>

	#include "base/feature_list.h"
	#include "base/metrics/field_trial_params.h"
	#include "base/values.h"

	namespace safe_browsing {
	// Features list, in alphabetical order.

	// Controls various parameters related to occasionally collecting ad samples,
	// for example to control how often collection should occur.
	BASE_DECLARE_FEATURE(kAdSamplerTriggerFeature);

	// Enables adding warning shown timestamp to client safe browsing report.
	BASE_DECLARE_FEATURE(kAddWarningShownTSToClientSafeBrowsingReport);

	// Killswitch for client side phishing detection. Since client side models are
	// run on a large fraction of navigations, crashes due to the model are very
	// impactful, even if only a small fraction of users have a bad version of the
	// model. This Finch flag allows us to remediate long-tail component versions
	// while we fix the root cause. This will also halt the model distribution from
	// OptimizationGuide.
	BASE_DECLARE_FEATURE(kClientSideDetectionKillswitch);

	// Expand CSPP beyond phishing and trigger when keyboard or pointer lock request
	// occurs on the page.
	BASE_DECLARE_FEATURE(kClientSideDetectionKeyboardPointerLockRequest);

	// Expand CSD-Phishing beyond phishing and trigger when a notification prompt
	// occurs on the page.
	BASE_DECLARE_FEATURE(kClientSideDetectionNotificationPrompt);

	// Send a sample CSPP ping when a URL matches the CSD allowlist and all other
	// preclassification check conditions pass.
	BASE_DECLARE_FEATURE(kClientSideDetectionSamplePing);

	// Expand CSPP beyond phishing and trigger when vibration API is called on the
	// web page.
	BASE_DECLARE_FEATURE(kClientSideDetectionVibrationApi);

	// Creates and sends CSBRRs when notification permissions are accepted for an
	// abusive site whose interstitial has been bypassed.
	BASE_DECLARE_FEATURE(kCreateNotificationsAcceptedClientSafeBrowsingReports);

	// Creates and sends CSBRRs when warnings are first shown to users.
	BASE_DECLARE_FEATURE(kCreateWarningShownClientSafeBrowsingReports);

	// Controls whether we prompt the user on unencrypted deep scans.
	BASE_DECLARE_FEATURE(kDeepScanningPromptRemoval);

	// Controls whether we use new broader criteria for deep scans.
	BASE_DECLARE_FEATURE(kDeepScanningCriteria);

	// Controls whether the delayed warning experiment is enabled.
	BASE_DECLARE_FEATURE(kDelayedWarnings);
	// True if mouse clicks should undelay the warnings immediately when delayed
	// warnings feature is enabled.
	extern const base::FeatureParam<bool> kDelayedWarningsEnableMouseClicks;

	// Sends the WebProtect content scanning request to the corresponding regional
	// DLP endpoint based on ChromeDataRegionSetting policy.
	BASE_DECLARE_FEATURE(kDlpRegionalizedEndpoints);

	// Sends download report without explicit user decision. This can be either the
	// download is automatically discarded 1 hour after the warning is shown, or
	// the profile is closed while the warning is still showing.
	BASE_DECLARE_FEATURE(kDownloadReportWithoutUserDecision);

	// The kill switch for download tailored warnings. The main control is on the
	// server-side.
	BASE_DECLARE_FEATURE(kDownloadTailoredWarnings);

	// Enables HaTS surveys for users encountering desktop download warnings on the
	// download bubble or the downloads page.
	BASE_DECLARE_FEATURE(kDownloadWarningSurvey);

	// Gives the type of the download warning HaTS survey that the user is eligible
	// for. This should be set in the fieldtrial config along with the trigger ID
	// for the corresponding survey (as en_site_id). The int value corresponds to
	// the value of DownloadWarningHatsType enum (see
	// //c/b/download/download_warning_desktop_hats_util.h).
	extern const base::FeatureParam<int> kDownloadWarningSurveyType;

	// The time interval after which to consider a download warning ignored, and
	// potentially show the survey for ignoring a download bubble warning.
	extern const base::FeatureParam<int> kDownloadWarningSurveyIgnoreDelaySeconds;

	// Controls whether Standard Safe Browsing users are permitted to provide
	// passwords for local decryption on encrypted archives.
	BASE_DECLARE_FEATURE(kEncryptedArchivesMetadata);

	// Controls whether Safe Browsing Extended Reporting (SBER) is deprecated.
	// When this feature flag is enabled:
	// - the Extended Reporting toggle will not be displayed on
	// chrome://settings/security
	// - features will not depend on the SBER preference value,
	// safebrowsing.scout_reporting_enabled
	BASE_DECLARE_FEATURE(kExtendedReportingRemovePrefDependency);

	// Allows the Extension Telemetry Service to accept and use configurations
	// sent by the server.
	BASE_DECLARE_FEATURE(kExtensionTelemetryConfiguration);

	// Enables collection of telemetry signal whenever an extension invokes the
	// declarativeNetRequest actions.
	BASE_DECLARE_FEATURE(kExtensionTelemetryDeclarativeNetRequestActionSignal);

	// Allows the Extension Telemetry Service to include file data of extensions
	// specified in the --load-extension commandline switch in telemetry reports.
	BASE_DECLARE_FEATURE(kExtensionTelemetryFileDataForCommandLineExtensions);

	// Enables collection of telemetry signal whenever an extension invokes the
	// chrome.tabs API methods.
	BASE_DECLARE_FEATURE(kExtensionTelemetryTabsApiSignal);

	// Enables collection of telemetry signal whenever an extension invokes the
	// chrome.tabs.captureVisibleTab API method.
	BASE_DECLARE_FEATURE(kExtensionTelemetryTabsApiSignalCaptureVisibleTab);

	// Enables collection of telemetry signal whenever an extension invokes the
	// tabs.executeScript API call.
	BASE_DECLARE_FEATURE(kExtensionTelemetryTabsExecuteScriptSignal);

	// Enables reporting of remote hosts contacted by extensions in telemetry.
	BASE_DECLARE_FEATURE(kExtensionTelemetryReportContactedHosts);

	// Enables reporting of remote hosts contacted by extensions via websockets;
	BASE_DECLARE_FEATURE(kExtensionTelemetryReportHostsContactedViaWebSocket);

	// Enables intercepting remote hosts contacted by extensions in renderer
	// throttles.
	BASE_DECLARE_FEATURE(
	kExtensionTelemetryInterceptRemoteHostsContactedInRenderer);

	// Enables collection of potential password theft data and uploads
	// telemetry reports to SB servers.
	BASE_DECLARE_FEATURE(kExtensionTelemetryPotentialPasswordTheft);

	// Enables remotely disabling of malicious off-store extensions identified in
	// Extension Telemetry service reports.
	BASE_DECLARE_FEATURE(kExtensionTelemetryDisableOffstoreExtensions);

	// Enables the new text, layout, links, and icons on both the privacy guide
	// and on the security settings page for the enhanced protection security
	// option.
	BASE_DECLARE_FEATURE(kFriendlierSafeBrowsingSettingsEnhancedProtection);

	// Enables the new text and layout on both the privacy guide and on the
	// security settings page for the standard protection security option.
	BASE_DECLARE_FEATURE(kFriendlierSafeBrowsingSettingsStandardProtection);

	// Prompt users to re-enable Android app verification on APK download.
	BASE_DECLARE_FEATURE(kGooglePlayProtectPrompt);

	// Sends hash-prefix real-time lookup requests on navigations for Standard Safe
	// Browsing users instead of hash-prefix database lookups.
	BASE_DECLARE_FEATURE(kHashPrefixRealTimeLookups);

	// This parameter controls the relay URL that will forward the lookup requests
	// to the Safe Browsing server.
	extern const base::FeatureParam<std::string> kHashPrefixRealTimeLookupsRelayUrl;

	// Enable faster OHTTP key rotation for hash-prefix real-time lookups.
	BASE_DECLARE_FEATURE(kHashPrefixRealTimeLookupsFasterOhttpKeyRotation);

	// Show referrer URL on download item on chrome://downloads page. This will
	// replace the downloads url.
	BASE_DECLARE_FEATURE(kDownloadsPageReferrerUrl);

	// Enable logging of the account enhanced protection setting in Protego pings.
	BASE_DECLARE_FEATURE(kLogAccountEnhancedProtectionStateInProtegoPings);

	// If enabled, the Safe Browsing database will be stored in a separate file and
	// mapped into memory.
	BASE_DECLARE_FEATURE(kMmapSafeBrowsingDatabase);

	// Whether hash prefix lookups are done on a background thread when
	// kMmapSafeBrowsingDatabase is enabled.
	extern const base::FeatureParam<bool> kMmapSafeBrowsingDatabaseAsync;

	// Enables unpacking of nested archives during downloads.
	BASE_DECLARE_FEATURE(kNestedArchives);

	// Controls whether custom messages from admin are shown for warn and block
	// enterprise interstitials.
	BASE_DECLARE_FEATURE(kRealTimeUrlFilteringCustomMessage);

	// Enables modifying key parameters on the navigation event collection used to
	// populate referrer chains.
	BASE_DECLARE_FEATURE(kReferrerChainParameters);

	// The maximum age entry we keep in memory. Older entries are cleaned up. This
	// is independent of the maximum age entry we send to Safe Browsing, which is
	// fixed for privacy reasons.
	extern const base::FeatureParam<int> kReferrerChainEventMaximumAgeSeconds;

	// The maximum number of navigation events we keep in memory.
	extern const base::FeatureParam<int> kReferrerChainEventMaximumCount;

	// Controls whether asynchronous real-time check is enabled. When enabled, the
	// navigation can be committed before real-time Safe Browsing check is
	// completed.
	BASE_DECLARE_FEATURE(kSafeBrowsingAsyncRealTimeCheck);

	#if BUILDFLAG(IS_ANDROID)
	// Whether to call the new API on startup to reduce latency.
	BASE_DECLARE_FEATURE(kSafeBrowsingCallNewGmsApiOnStartup);

	// Use new GMSCore API for hash database check on browser URLs.
	BASE_DECLARE_FEATURE(kSafeBrowsingNewGmsApiForBrowseUrlDatabaseCheck);

	// Use new GMSCore API for subresource filter checks.
	BASE_DECLARE_FEATURE(kSafeBrowsingNewGmsApiForSubresourceFilterCheck);
	#endif

	// Run Safe Browsing code on UI thread.
	BASE_DECLARE_FEATURE(kSafeBrowsingOnUIThread);

	// Enable adding copy/paste navigation to the referrer chain.
	BASE_DECLARE_FEATURE(kSafeBrowsingReferrerChainWithCopyPasteNavigation);

	// Controls whether cookies are removed when the access token is present.
	BASE_DECLARE_FEATURE(kSafeBrowsingRemoveCookiesInAuthRequests);

	// Automatically revoke abusive notifications in Safety Hub.
	BASE_DECLARE_FEATURE(kSafetyHubAbusiveNotificationRevocation);

	// Controls whether the new 7z evaluation is performed on downloads.
	BASE_DECLARE_FEATURE(kSevenZipEvaluationEnabled);

	// Status of the SimplifiedUrlDisplay experiments. This does not control the
	// individual experiments, those are controlled by their own feature flags.
	// The feature is only set by Finch so that we can differentiate between
	// default and control groups of the experiment.
	BASE_DECLARE_FEATURE(kSimplifiedUrlDisplay);

	// Controls whether the download inspection timeout is applied over the entire
	// request, or just the network communication.
	BASE_DECLARE_FEATURE(kStrictDownloadTimeout);

	// Specifies the duration of the timeout, in milliseconds.
	extern const base::FeatureParam<int> kStrictDownloadTimeoutMilliseconds;

	// Enables suspicious site detection for real time URL lookups.
	BASE_DECLARE_FEATURE(kSuspiciousSiteDetectionRTLookups);

	// Controls the daily quota for the suspicious site trigger.
	BASE_DECLARE_FEATURE(kSuspiciousSiteTriggerQuotaFeature);

	// Enable a retry for the tailored security dialogs when the dialog fails to
	// show for a user whose google account has sync turned on. This feature helps
	// run the tailored security logic for users where the integration failed in the
	// past.
	BASE_DECLARE_FEATURE(kTailoredSecurityRetryForSyncUsers);

	#if BUILDFLAG(IS_ANDROID)
	// Enable an observer-based retry mechanism for the tailored security dialogs.
	// When enabled, the tailored security integration will use tab observers to
	// retry the tailored security logic when a WebContents becomes available.
	BASE_DECLARE_FEATURE(kTailoredSecurityObserverRetries);
	#endif

	// Controls whether the integration of tailored security settings is enabled.
	BASE_DECLARE_FEATURE(kTailoredSecurityIntegration);

	// Specifies which non-resource HTML Elements to collect based on their tag and
	// attributes. It's a single param containing a comma-separated list of pairs.
	// For example: "tag1,id,tag1,height,tag2,foo" - this will collect elements with
	// tag "tag1" that have attribute "id" or "height" set, and elements of tag
	// "tag2" if they have attribute "foo" set. All tag names and attributes should
	// be lower case.
	BASE_DECLARE_FEATURE(kThreatDomDetailsTagAndAttributeFeature);

	// Controls the behavior of visual features in CSD pings. This feature is
	// checked for the final size of the visual features and the minimum size of
	// the screen.
	BASE_DECLARE_FEATURE(kVisualFeaturesSizes);

	base::Value::List GetFeatureStatusList();

	// Enables new ESB specific threshold fields in Visual TF Lite model files
	BASE_DECLARE_FEATURE(kSafeBrowsingPhishingClassificationESBThreshold);

	// Enables client side phishing daily reports limit to be configured via Finch
	// for ESB and SBER users
	BASE_DECLARE_FEATURE(kSafeBrowsingDailyPhishingReportsLimit);

	// Specifies the CSD-Phishing daily reports limit for ESB users
	extern const base::FeatureParam<int> kSafeBrowsingDailyPhishingReportsLimitESB;

	BASE_DECLARE_FEATURE(kClientSideDetectionModelImageEmbedder);

	// Enables HaTS surveys for users encountering red warnings.
	BASE_DECLARE_FEATURE(kRedWarningSurvey);

	// Specifies the HaTS survey's identifier.
	extern const base::FeatureParam<std::string> kRedWarningSurveyTriggerId;

	// Specifies which CSBRR report types (and thus, red warning types) we want to
	// show HaTS surveys for.
	extern const base::FeatureParam<std::string> kRedWarningSurveyReportTypeFilter;

	// Specifies whether we want to show HaTS surveys based on if the user bypassed
	// the warning or not. Note: specifying any combination of TRUE and FALSE
	// corresponds to "don't care."
	extern const base::FeatureParam<std::string> kRedWarningSurveyDidProceedFilter;

	BASE_DECLARE_FEATURE(kClientSideDetectionDebuggingMetadataCache);

	// Enables Enhanced Safe Browsing promos for iOS.
	BASE_DECLARE_FEATURE(kEnhancedSafeBrowsingPromo);

	} // namespace safe_browsing
	#endif // COMPONENTS_SAFE_BROWSING_CORE_COMMON_FEATURES_H_