<!--
Copyright 2023 The Chromium Authors
Use of this source code is governed by a BSD-style license that can be
found in the LICENSE file.
-->
<!--
This file describes the enumerations referenced by entries in histograms.xml for
this directory. Some enums may instead be listed in the central enums.xml file
at src/tools/metrics/histograms/enums.xml when multiple files use them.
For best practices on writing enumerations descriptions, see
https://chromium.googlesource.com/chromium/src.git/+/HEAD/tools/metrics/histograms/README.md#Enum-Histograms
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-->
<histogram-configuration>
<!-- Enum types -->
<enums>
<enum name="AboutThisSiteInteraction">
<int value="0" label="kNotShown"/>
<int value="1" label="kShownWithDescription"/>
<int value="2" label="kShownWithoutDescription"/>
<int value="3" label="kClickedWithDescription"/>
<int value="4" label="kClickedWithoutDescription"/>
<int value="5" label="kOpenedDirectlyFromSidePanel"/>
<int value="6" label="kNotShownNonGoogleDSE"/>
<int value="7" label="kNotShownLocalHost"/>
<int value="8" label="kNotShownOptimizationGuideNotAllowed"/>
<int value="9" label="kShownWithoutMsbb (deprecated)"/>
<int value="10" label="kSameTabNavigation"/>
</enum>
<enum name="AboutThisSiteStatus">
<summary>Tracks status of AboutThisSite queries.</summary>
<int value="0" label="kValid">A valid response.</int>
<int value="1" label="kNoResult">No result received.</int>
<int value="2" label="kMissingSiteInfo">SiteInfo is missing.</int>
<int value="3" label="kEmptySiteInfo">SiteInfo is empty.</int>
<int value="4" label="kIncompleteDescription (deprecated)">
kIncompleteDescription - deprecated.
</int>
<int value="5" label="kIncompleteSource">Source is incomplete.</int>
<int value="6" label="kInvalidSource">Source URL is invalid.</int>
<int value="7" label="kIncompleteTimeStamp">Timestamp is incomplete.</int>
<int value="8" label="kInvalidTimeStamp">Timestamp is invalid.</int>
<int value="9" label="kUnknown">
User has not opted in to Optimization guide.
</int>
<int value="10" label="kMissingDescription">Description is missing.</int>
<int value="11" label="kMissingDescriptionDescription">
Description field in description is missing.
</int>
<int value="12" label="kMissingDescriptionName">Name is missing.</int>
<int value="13" label="kMissingDescriptionLang">Lang is missing.</int>
<int value="14" label="kMissingDescriptionSource">Source is missing.</int>
<int value="15" label="kMissingBannerInfo">Banner info is missing.</int>
<int value="16" label="kInvalidMoreAbout">MoreAbout URL is invalid.</int>
<int value="17" label="kMissingMoreAbout">MoreAbout URL is missing.</int>
</enum>
<enum name="GwpAsanCrashAnalysisResult">
<int value="0" label="The crash is not caused by GWP-ASan"/>
<int value="1" label="The crash is caused by GWP-ASan"/>
<int value="2" label="The ProcessMemory from the snapshot was null"/>
<int value="3"
label="Failed to read the crashing process' memory of the global
allocator"/>
<int value="4"
label="The crashing process' global allocator members failed sanity
checks"/>
<int value="5" label="Failed to read crash stack traces"/>
<int value="6" label="The ExceptionSnapshot CPU context was null"/>
<int value="7"
label="The crashing process' bitness does not match the crash handler"/>
<int value="8" label="The allocator computed an invalid slot index"/>
<int value="9" label="Failed to read the process' SlotMetadata"/>
<int value="10"
label="The allocator stored an invalid metadata index for a given slot"/>
<int value="11" label="The computed metadata index was outdated"/>
<int value="12"
label="Failed to read the crashing process' slot to metadata mapping"/>
<int value="13" label="The crash is caused by the Lightweight UAF Detector"/>
<int value="14"
label="Failed to read the crashing process' memory of the Lightweight
UAF Detector metadata store"/>
<int value="15"
label="The computed lightweight metadata index was invalid or outdated"/>
<int value="16"
label="The crashing process' architecture does not match the crash
handler"/>
<int value="17" label="Found conflicting lightweight metadata IDs"/>
</enum>
<enum name="HttpsFirstModeInterstitialReason">
<int value="0" label="kUnknown">Unknown reason</int>
<int value="1" label="kPref">
The interstitial was shown because the user enabled the UI pref.
</int>
<int value="2" label="kAdvancedProtection">
The interstitial was shown because the user is enrolled in Advanced
Protection, which enables HTTPS-First Mode.
</int>
<int value="3" label="kSiteEngagementHeuristic">
The interstitial was shown because of the Site Engagement heuristic.
</int>
<int value="4" label="kTypicallySecureUserHeuristic">
The interstitial was shown because of the Typically Secure User heuristic.
</int>
<int value="5" label="kIncognito">
The interstitial was shown because the user was in Incognito mode and
HTTPS-First Mode in Incognito was enabled.
</int>
<int value="6" label="kBalanced">
The interstitial was shown because the user was in balanced mode.
</int>
</enum>
<enum name="HttpsFirstModeNavigationEvent">
<int value="0" label="kUpgradeAttempted">Upgrade attempted</int>
<int value="1" label="kUpgradeSucceeded">Upgrade succeeded</int>
<int value="2" label="kUpgradeFailed">Upgrade failed (for any reason)</int>
<int value="3" label="kUpgradeCertError">
Upgrade failed due to cert error
</int>
<int value="4" label="kUpgradeNetError">Upgrade failed due to net error</int>
<int value="5" label="kUpgradeTimedOut">Upgrade failed due to timing out</int>
<int value="6" label="kPrerenderCancelled">
Prerender navigation cancelled
</int>
<int value="7" label="kUpgradeNotAttempted">
Upgrade not attempted because not enabled
</int>
<int value="8" label="kUpgradeRedirectLoop">
Upgrade failed due to a redirect loop
</int>
</enum>
<!-- LINT.IfChange -->
<enum name="HttpsFirstModeSetting">
<int value="0" label="Disabled"/>
<int value="1" label="(Deprecated) Enabled in Incognito"/>
<int value="2" label="Fully enabled"/>
<int value="3" label="Balanced mode enabled"/>
</enum>
<!-- LINT.ThenChange(/chrome/browser/ssl/https_first_mode_settings_tracker.h) -->
<enum name="JsonParserExtension">
<int value="0" label="C style comment (/**/)"/>
<int value="1" label="C++ style comment (//)"/>
<int value="2" label="UTF-8 \xNN string escape"/>
<int value="3" label="Vertical tab string escape (\\v)"/>
<int value="4" label="Unescaped ASCII control character [0x00,0x1F]"/>
<int value="5" label="Unescaped newline in string (\\r or \\n)"/>
</enum>
<enum name="LandlockState">
<int value="0" label="Enabled"/>
<int value="1" label="Disabled"/>
<int value="2" label="Not Supported"/>
<int value="3" label="Unknown"/>
</enum>
<enum name="NavigationRequestSecurityLevel">
<int value="0" label="Unknown; request was ignored"/>
<int value="1" label="HTTPS request"/>
<int value="2" label="HTTP request"/>
<int value="3" label="HTTP request internally upgraded by HSTS"/>
<int value="4" label="Localhost request"/>
<int value="5"
label="HTTP request internally upgraded by HFM/HTTP Upgrading"/>
<int value="6" label="Non-HTTP/HTTPS request"/>
<int value="7"
label="HTTP allowed by content/enterprise setting (NOT by failing
auto-upgrade or clicking through warning)."/>
<int value="8" label="HTTP request to non-unique host."/>
<int value="9"
label="HTTP request to a fully typed URL with explicit HTTP scheme."/>
<int value="10" label="HTTP request to a captive portal login page"/>
</enum>
<enum name="NewAcceptedDeviceType">
<int value="0" label="Device which has valid name and id"/>
<int value="1" label="Ephemeral device stored base on IP address"/>
</enum>
<enum name="PageEndReason">
<int value="0" label="END_NONE">
Page lifetime has not yet ended (page is still active)
</int>
<int value="1" label="END_RELOAD">Page was reloaded</int>
<int value="2" label="END_FORWARD_BACK">
Page was navigated away from, via a back or forward navigation
</int>
<int value="3" label="END_CLIENT_REDIRECT">
Page was redirected via Javascript or the meta refresh tag
</int>
<int value="4" label="END_NEW_NAVIGATION">
Page load was replaced by a new navigation
</int>
<int value="5" label="END_STOP">Page load was stopped</int>
<int value="6" label="END_CLOSE">
Page load ended due to closing the tab or browser
</int>
<int value="7" label="END_PROVISIONAL_LOAD_FAILED">
Provisional load for this page load failed before comitting
</int>
<int value="8" label="END_RENDER_PROCESS_GONE">
Render process hosting the page terminated unexpectedly
</int>
<int value="9" label="END_OTHER">
Unknown reason; page load may have finished without comitting
</int>
<int value="10" label="END_HIDDEN">
Page became hidden, but is still active.
</int>
<int value="11" label="END_APP_BACKGROUND">
The metrics were flushed because the app entered the background.
</int>
</enum>
<enum name="PrivateNetworkAccessCheckResult">
<int value="0" label="AllowedMissingClientSecurityState"/>
<int value="1" label="AllowedNoLessPublic"/>
<int value="2" label="AllowedByPolicyAllow"/>
<int value="3" label="AllowedByPolicyWarn"/>
<int value="4" label="BlockedByLoadOption"/>
<int value="5" label="BlockedByPolicyBlock"/>
<int value="6" label="AllowedByTargetIpAddressSpace"/>
<int value="7" label="BlockedByTargetIpAddressSpace"/>
<int value="8" label="BlockedByPolicyPreflightWarn"/>
<int value="9" label="BlockedByPolicyPreflightBlock"/>
<int value="10" label="AllowedByPolicyPreflightWarn"/>
<int value="11" label="BlockedByInconsistentIpAddressSpace"/>
<int value="12" label="AllowedPotentiallyTrustworthySameOrigin"/>
</enum>
<enum name="PrivateNetworkDeviceValidity">
<int value="0" label="Device exists"/>
<int value="1" label="New valid device"/>
<int value="2" label="Device ID missing"/>
<int value="3" label="[Deprecated] Device ID invalid"/>
<int value="4" label="Device name missing"/>
<int value="5" label="Device name invalid"/>
</enum>
<enum name="ProcessPerSiteWithMainFrameThresholdBlockReason">
<int value="0" label="Not blocked"/>
<int value="1" label="Process reuse is disabled"/>
<int value="2" label="DevTools was ever attached"/>
<int value="3" label="Does not require dedicated process"/>
<int value="4" label="Localhost or IP address based host"/>
<int value="5" label="Scheme is not http(s)"/>
</enum>
<enum name="ReusePendingOrCommittedSiteEnum">
<int value="0" label="Had to create a new RenderProcessHost"/>
<int value="1" label="Could reuse an existing RenderProcessHost"/>
</enum>
<enum name="SafetyTipInteraction">
<int value="0" label="User dismissed the Safety Tip"/>
<int value="1" label="User left the site with the Safety Tip"/>
<int value="2" label="No action on the Safety Tip"/>
<int value="3" label="User dismissed the Safety Tip with the esc key"/>
<int value="4" label="User dismissed the Safety Tip with the close button"/>
<int value="5" label="User dismissed the Safety Tip with the ignore button"/>
<int value="6" label="User opened help center"/>
<int value="7" label="No Safety Tip was shown"/>
<int value="8" label="User closed the tab"/>
<int value="9" label="User switched to a different tab"/>
<int value="10" label="User navigated away"/>
</enum>
<enum name="SafetyTipStatus">
<int value="0" label="Safety Tip status unknown/not applicable"/>
<int value="1" label="No Safety Tip"/>
<int value="2" label="Safety Tip for bad reputation (deprecated)"/>
<int value="3" label="Safety Tip for lookalike URL"/>
<int value="4"
label="Safety Tip for a URL with a suspicious keyword (deprecated)"/>
<int value="5"
label="Safety Tip for bad reputation, but the user has explicitly
dismissed the Safety Tip on a previous navigation (deprecated)"/>
<int value="6"
label="Safety Tip for a lookalike URL, but the user has explicitly
dismissed the Safety Tip on a previous navigation"/>
<int value="7"
label="The lookalike URL for the Safety Tip has a Digital Asset Link
match (deprecated)"/>
</enum>
<enum name="SCTAuditingReportCompletionStatus">
<int value="0" label="kSuccessFirstTry">Succeeded on first try</int>
<int value="1" label="kSuccessAfterRetries">Succeeded after retrying</int>
<int value="2" label="kRetriesExhausted">Failed after exhausting retries</int>
</enum>
<enum name="SCTLookupQueryResult">
<int value="0" label="HTTP error"/>
<int value="1" label="Invalid JSON"/>
<int value="2" label="Status not OK"/>
<int value="3" label="Certificate expired"/>
<int value="4" label="Log not found"/>
<int value="5" label="Log not yet ingested"/>
<int value="6" label="SCT suffix found"/>
<int value="7" label="SCT suffix not found"/>
</enum>
<enum name="SecurityLevel">
<int value="0" label="None"/>
<int value="1" label="HTTP with warning (deprecated)"/>
<int value="2" label="Secure with EV certificate (deprecated)"/>
<int value="3" label="Secure"/>
<int value="4" label="Secure with policy-installed certificate"/>
<int value="5" label="Dangerous"/>
<int value="6" label="Warning"/>
</enum>
<enum name="SiteEngagementHeuristicState">
<int value="0"
label="HTTPS-First Mode got enabled on this site because its HTTPS
score is high and HTTP score is low."/>
<int value="1"
label="HTTPS-First Mode got disabled on this site because its HTTPS
score is low or HTTP score is high."/>
</enum>
<enum name="SiteIsolationIsDedicatedProcess">
<int value="0" label="Process is not dedicated to a single site"/>
<int value="1" label="Process is dedicated to a single site"/>
</enum>
</enums>
</histogram-configuration>
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