<!--
Copyright 2021 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 is used to generate a comprehensive list of Commerce histograms
along with a detailed description for each histogram.

For best practices on writing histogram descriptions, see
https://chromium.googlesource.com/chromium/src.git/+/HEAD/tools/metrics/histograms/README.md
-->

<histogram-configuration>

<histograms>

<variants name="LocationIdentifiers">
  <variant name="EnterTabSwitcher" summary="enters the Tab Switcher."/>
  <variant name="NavigationComplete" summary="completes a navigation."/>
</variants>

<variants name="ManagementTypes">
  <variant name="ChromeManaged" summary="chrome-managed price tracking."/>
  <variant name="UserManaged" summary="user-managed price tracking."/>
</variants>

<variants name="MerchantTrustMessageStarRating">
  <variant name="AboveFour" summary="rating value within [4 - 4.5)"/>
  <variant name="AboveFourPointFive" summary="rating value within [4.5 - 5]"/>
  <variant name="AboveThree" summary="rating value within [3 - 4)"/>
  <variant name="AboveTwo" summary="rating value within [2 - 3)"/>
  <variant name="BelowTwo" summary="rating value within [0 - 2)"/>
</variants>

<variants name="TabUsageStatuses">
  <variant name="ActiveTab"
      summary="Tabs between 0 and 1 day since last usage."/>
  <variant name="StaleTab"
      summary="Tabs between 1 and 90 days since last usage."/>
</variants>

<histogram name="Commerce.Carts.AddToCartButtonDetection" units="ms"
    expires_after="2023-09-17">
  <owner>yuezhanggg@chromium.org</owner>
  <owner>wychen@chromium.org</owner>
  <owner>chrome-shopping@google.com</owner>
  <summary>
    Records how long it takes to decide if a focused element is an AddToCart
    button. This is recorded everytime an element is focused on an eligible
    website when the DOM-based heuristic is enabled.
  </summary>
</histogram>

<histogram name="Commerce.Carts.ExtractionElapsedTime" units="ms"
    expires_after="2023-07-30">
  <owner>wychen@chromium.org</owner>
  <owner>yuezhanggg@chromium.org</owner>
  <owner>chrome-shopping@google.com</owner>
  <summary>
    Logged when cart content extraction is executed for ChromeCart. This
    histogram records the elapsed time within the JavaScript, so script
    parsing/compilation time is excluded. Commerce.Carts.ExtractionExecutionTime
    is measured in native, and is the end-to-end elapsed time.
  </summary>
</histogram>

<histogram name="Commerce.Carts.ExtractionExecutionTime" units="ms"
    expires_after="2023-07-30">
  <owner>wychen@chromium.org</owner>
  <owner>yuezhanggg@chromium.org</owner>
  <owner>chrome-shopping@google.com</owner>
  <summary>
    Logged when cart content extraction is executed for ChromeCart. This
    histogram records the elapsed time between the start and the end of the
    extraction JavaScript request execution. This includes script
    parsing/compilation time and sleeping time.
  </summary>
</histogram>

<histogram name="Commerce.Carts.ExtractionLongestTaskTime" units="ms"
    expires_after="2023-07-30">
  <owner>wychen@chromium.org</owner>
  <owner>yuezhanggg@chromium.org</owner>
  <owner>chrome-shopping@google.com</owner>
  <summary>
    Logged when cart content extraction is executed for ChromeCart. This
    histogram records the time span of the longest task blocking the main thread
    of the renderer process.
  </summary>
</histogram>

<histogram name="Commerce.Carts.ExtractionTimedOut" enum="BooleanTimedOut"
    expires_after="2023-06-04">
  <owner>wychen@chromium.org</owner>
  <owner>yuezhanggg@chromium.org</owner>
  <owner>chrome-shopping@google.com</owner>
  <summary>
    Record whether the cart content extraction has timed out. Logged when cart
    content extraction is executed for ChromeCart.
  </summary>
</histogram>

<histogram name="Commerce.Carts.ExtractionTotalTasksTime" units="ms"
    expires_after="2023-07-30">
  <owner>wychen@chromium.org</owner>
  <owner>yuezhanggg@chromium.org</owner>
  <owner>chrome-shopping@google.com</owner>
  <summary>
    Logged when cart content extraction is executed for ChromeCart. This
    histogram records the time spent on execution, excluding sleeping time.
  </summary>
</histogram>

<histogram name="Commerce.Carts.FormSubmitIsTransaction"
    enum="BooleanIsTransaction" expires_after="2023-04-16">
  <owner>wychen@chromium.org</owner>
  <owner>yuezhanggg@chromium.org</owner>
  <owner>chrome-shopping@google.com</owner>
  <summary>
    Records whether the form submission is a shopping transaction. This has 50%
    chance randomized. Logged when there's a form submission.
  </summary>
</histogram>

<histogram name="Commerce.Carts.XHRIsAddToCart" enum="BooleanIsAddToCart"
    expires_after="2023-06-18">
  <owner>wychen@chromium.org</owner>
  <owner>yuezhanggg@chromium.org</owner>
  <owner>chrome-shopping@google.com</owner>
  <summary>
    Records whether the XHR is to add a product to a shopping cart. This has 50%
    chance randomized. Logged when there's an XHR about to be sent.
  </summary>
</histogram>

<histogram name="Commerce.Heuristics.CartExtractionScriptSource"
    enum="CommerceHeuristicsDataSource" expires_after="2023-04-23">
  <owner>yuezhanggg@chromium.org</owner>
  <owner>wychen@chromium.org</owner>
  <owner>chrome-shopping@google.com</owner>
  <summary>
    Cart extraction script could come from local resources or component updater.
    This histogram is logged when we try to get the extraction script to record
    from which source we are getting the script. The action of getting script is
    triggered when users visit the cart page which would trigger extractions.
  </summary>
</histogram>

<histogram name="Commerce.Heuristics.CheckoutURLGeneralPatternSource"
    enum="CommerceHeuristicsDataSource" expires_after="2023-06-25">
  <owner>yuezhanggg@chromium.org</owner>
  <owner>wychen@chromium.org</owner>
  <owner>chrome-shopping@google.com</owner>
  <summary>
    Checkout URL pattern could come from Finch feature parameter or component
    updater. This histogram is logged when we try to get checkout URL pattern to
    record from which source we are getting the pattern. The action of getting
    checkout URL pattern is triggered on every eligible navigation to decide if
    users have visited the checkout page.
  </summary>
</histogram>

<histogram name="Commerce.Heuristics.MerchantNameSource"
    enum="CommerceHeuristicsDataSource" expires_after="2023-08-20">
  <owner>yuezhanggg@chromium.org</owner>
  <owner>wychen@chromium.org</owner>
  <owner>chrome-shopping@google.com</owner>
  <summary>
    Merchant name could come from local resources or component updater. This
    histogram is logged when we try to get merchant name data to record from
    which source we are getting the data. The action of getting merchant name is
    triggered every time when a new abadoned cart is detected by ChromeCart, so
    that we can look up merchant name for the abadoned cart merchant.
  </summary>
</histogram>

<histogram name="Commerce.Heuristics.PartnerMerchantPatternSource"
    enum="CommerceHeuristicsDataSource" expires_after="2023-08-27">
  <owner>yuezhanggg@chromium.org</owner>
  <owner>wychen@chromium.org</owner>
  <owner>chrome-shopping@google.com</owner>
  <summary>
    Partner merchant pattern heuristics could come from Finch feature parameter
    or component updater. This histogram is logged when we try to get partner
    merchant pattern to record from which source we are getting the pattern. The
    action of getting partner merchant pattern is triggered every time when we
    need to decide if an abandoned cart in ChromeCart is from a partner
    merchant, which could happen both with and without user actions.
  </summary>
</histogram>

<histogram name="Commerce.Heuristics.ProductIDExtractionPatternSource"
    enum="CommerceHeuristicsDataSource" expires_after="2023-02-19">
  <owner>yuezhanggg@chromium.org</owner>
  <owner>wychen@chromium.org</owner>
  <owner>chrome-shopping@google.com</owner>
  <summary>
    Product ID extraction pattern heuristics could come from Finch feature
    parameter or component updater. This histogram is logged when we try to get
    product ID extraction pattern to record from which source we are getting the
    pattern. The action of getting product ID extraction is triggered every time
    we try to load the cart extraction script for ChromeCart, which happens
    after the user navigates to a cart page or updates the cart page.
  </summary>
</histogram>

<histogram name="Commerce.Heuristics.SkipProductPatternSource"
    enum="CommerceHeuristicsDataSource" expires_after="2023-08-27">
  <owner>yuezhanggg@chromium.org</owner>
  <owner>wychen@chromium.org</owner>
  <owner>chrome-shopping@google.com</owner>
  <summary>
    Skip product pattern heuristics could come from Finch feature parameter or
    component updater. This histogram is logged when we try to get skip product
    pattern to record from which source we are getting the pattern. The action
    of getting skip product pattern is triggered every time when a new abadoned
    cart is detected by ChromeCart, so that we can check if products in abadoned
    cart need to be skipped.
  </summary>
</histogram>

<histogram name="Commerce.PDPStateOnNavigation" enum="ShoppingPDPState"
    expires_after="2023-10-08">
  <owner>ayman@chromium.org</owner>
  <owner>mdjones@chromium.org</owner>
  <owner>chrome-shopping@google.com</owner>
  <summary>
    Records whether a navigation is to a product details page and then whether
    the information we retrieved about the page contains a product cluster ID.
  </summary>
</histogram>

<histogram
    name="Commerce.PowerBookmarks.ShoppingDataProvider.FallbackDataContent"
    enum="ShoppingDataProviderFallback" expires_after="2022-11-20">
  <obsolete>
    Deprecated in 06/2022. Replaced by Commerce.ShoppingService.ProductInfo.*.
  </obsolete>
  <owner>ayman@chromium.org</owner>
  <owner>mdjones@chromium.org</owner>
  <summary>
    Records whick type of fallback data (javascript on-page heuristics) was used
    when filling in gaps from Optimization Guide. This does not track whether
    the page was actually bookmarked, it only indicates what information might
    be missing or how often we get supplementary images when on a product page.
  </summary>
</histogram>

<histogram name="Commerce.PowerBookmarks.ShoppingDataProvider.FallbackDataUsed"
    enum="Boolean" expires_after="2022-11-20">
  <obsolete>
    Deprecated in 06/2022. Replaced by Commerce.ShoppingService.ProductInfo.*.
  </obsolete>
  <owner>ayman@chromium.org</owner>
  <owner>mdjones@chromium.org</owner>
  <summary>
    Records whether fallback data (javascript on-page heuristics) was used to
    supplement the data provided by Optimization Guide. This does not track
    whether the page was actually bookmarked.
  </summary>
</histogram>

<histogram name="Commerce.PowerBookmarks.ShoppingDataProvider.IsProductPage"
    enum="Boolean" expires_after="2023-01-01">
  <obsolete>
    Deprecated 12/2022. Replaced by Commerce.PDPStateOnNavigation.
  </obsolete>
  <owner>ayman@chromium.org</owner>
  <owner>mdjones@chromium.org</owner>
  <summary>
    Records whether a particular navigation was determined to be a product page
    by Optimization Guide. This doesn not track whether the page was actually
    bookmarked.
  </summary>
</histogram>

<histogram name="Commerce.PowerBookmarks.SubscriptionValidationResult"
    enum="CommerceSubscriptionValidationResult" expires_after="2023-04-09">
  <obsolete>
    Deprecated in 11/2022. The validation logic became unnecessary with the new
    subscriptions manager implementation.
  </obsolete>
  <owner>ayman@chromium.org</owner>
  <owner>mdjones@chromium.org</owner>
  <owner>chrome-shopping@google.com</owner>
  <summary>
    Records the result of validation of a user's subscribed products between the
    bookmarks system and the subscriptions backend. This will tell us if a user
    has a subscription that isn't backed by bookmark locally and if the client
    has a bookmark that claims to be tracked but has no subscription on the
    backend. This metric is recorded when the browser starts and whenever the
    user enters the bookmark manager (each time validation occurs).
  </summary>
</histogram>

<histogram name="Commerce.PriceDrop.AnnotationsEnabled" enum="Boolean"
    expires_after="2023-04-25">
  <owner>ayman@chromium.org</owner>
  <owner>zhiyuancai@chromium.org</owner>
  <owner>chrome-shopping@google.com</owner>
  <summary>
    Records whether the price drop annotation is enabled. Recorded when user
    enters the grid tab switcher. The record frequency is controlled by a
    feature parameter and by default it is recorded at most once every day.
    Implemented for Android.
  </summary>
</histogram>

<histogram name="Commerce.PriceDrop.NotificationChannelBlocked" enum="Boolean"
    expires_after="2023-10-15">
  <owner>zhiyuancai@chromium.org</owner>
  <owner>chrome-shopping@google.com</owner>
  <summary>
    Records whether the price drop notification channel is blocked by users.
    Recorded when we initialize commerce subscriptions (For eligible users, we
    initialize subscriptions when Chrome becomes foreground app but at most once
    in a one-day moving window). Implemented for Android.
  </summary>
</histogram>

<histogram name="Commerce.PriceDrop.NotificationChannelCreated" enum="Boolean"
    expires_after="2023-10-08">
  <owner>zhiyuancai@chromium.org</owner>
  <owner>chrome-shopping@google.com</owner>
  <summary>
    Records whether the price drop notification channel is created. Recorded
    when we initialize commerce subscriptions (For eligible users, we initialize
    subscriptions when Chrome becomes foreground app but at most once in a
    one-day moving window). Implemented for Android.
  </summary>
</histogram>

<histogram name="Commerce.PriceDrop.SystemNotificationEnabled" enum="Boolean"
    expires_after="2023-10-08">
  <owner>zhiyuancai@chromium.org</owner>
  <owner>chrome-shopping@google.com</owner>
  <summary>
    Records whether the system notification is enabled by users. Recorded when
    we initialize commerce subscriptions (For eligible users, we initialize
    subscriptions when Chrome becomes foreground app but at most once in a
    one-day moving window). Implemented for Android.
  </summary>
</histogram>

<histogram name="Commerce.PriceDrops.{ManagementType}.NotificationCount"
    units="notifications" expires_after="2023-04-25">
  <owner>zhiyuancai@chromium.org</owner>
  <owner>ayman@chromium.org</owner>
  <owner>chrome-shopping@google.com</owner>
  <summary>
    The number of price drop notifications shown in the given time interval (one
    day by default) for the specified management type. Emitted for clients in
    our experiment when Chrome is foregrounded. Recorded at most once in a
    one-day moving window. Implemented for Android.
  </summary>
  <token key="ManagementType" variants="ManagementTypes"/>
</histogram>

<histogram name="Commerce.PriceDrops.{ManagementType}.NotificationReachedCap"
    enum="Boolean" expires_after="2023-04-25">
  <owner>zhiyuancai@chromium.org</owner>
  <owner>ayman@chromium.org</owner>
  <owner>chrome-shopping@google.com</owner>
  <summary>
    Records whether the number of shown notifications in given window (one day
    by default) has reached the cap limit for specified management type.
    Recorded when we are trying to show any price drop notifications.
    Implemented for Android.
  </summary>
  <token key="ManagementType" variants="ManagementTypes"/>
</histogram>

<histogram
    name="Commerce.PriceDrops.{TabUsageStatus}{LocationIdentifier}.ContainsPrice"
    enum="BooleanContainsPrice" expires_after="2024-04-15">
  <owner>davidjm@chromium.org</owner>
  <owner>ayman@chromium.org</owner>
  <owner>dtrainor@chromium.org</owner>
  <summary>
    Records if a page contains a price, as determined by the commerce data
    obtained to power the price drop feature. This data is acquired when the
    user finishes navigating to a page. Recorded when the user
    {LocationIdentifier}. Recorded for {TabUsageStatus}.
  </summary>
  <token key="LocationIdentifier" variants="LocationIdentifiers"/>
  <token key="TabUsageStatus" variants="TabUsageStatuses"/>
</histogram>

<histogram
    name="Commerce.PriceDrops.{TabUsageStatus}{LocationIdentifier}.ContainsPriceDrop"
    enum="BooleanContainsPriceDrop" expires_after="2024-04-15">
  <owner>davidjm@chromium.org</owner>
  <owner>ayman@chromium.org</owner>
  <owner>dtrainor@chromium.org</owner>
  <summary>
    Records if a page contains a decrease in price for an offer, relative to the
    previously seen price for the offer. This is determined by the commerce data
    obtained to power the price drop feature. The data is acquired when the user
    finishes navigating to a page. Recorded when the user {LocationIdentifier}.
    Recorded for {TabUsageStatus}.
  </summary>
  <token key="LocationIdentifier" variants="LocationIdentifiers"/>
  <token key="TabUsageStatus" variants="TabUsageStatuses"/>
</histogram>

<histogram
    name="Commerce.PriceDrops.{TabUsageStatus}{LocationIdentifier}.IsProductDetailPage"
    enum="BooleanIsProductDetailPage" expires_after="2024-04-15">
  <owner>davidjm@chromium.org</owner>
  <owner>ayman@chromium.org</owner>
  <owner>dtrainor@chromium.org</owner>
  <summary>
    Records if a page is a product detail page, as determined by the commerce
    data obtained to power the price drop feature. This data is acquired when
    the user finishes navigating to a page. Recorded when the user
    {LocationIdentifier}. Recorded for {TabUsageStatus}.
  </summary>
  <token key="LocationIdentifier" variants="LocationIdentifiers"/>
  <token key="TabUsageStatus" variants="TabUsageStatuses"/>
</histogram>

<histogram name="Commerce.PriceTracking.EmailNotificationsEnabled"
    enum="PriceNotificationEmailState" expires_after="2023-10-01">
  <owner>ayman@chromium.org</owner>
  <owner>mdjones@chromium.org</owner>
  <owner>chrome-shopping@google.org</owner>
  <summary>
    Records whether the user has price notification emails enabled. This count
    is recorded daily (once every 24 hours) or the next time the browser starts
    if more than 24 hours have passed since last recorded. If a user has not
    tracked a product &quot;not responded&quot; will be recorded instead to help
    differentiate users interacting with the feature. This metric is implemented
    for all platforms.
  </summary>
</histogram>

<histogram name="Commerce.PriceTracking.PriceTrackedProductCount"
    units="subscriptions" expires_after="2023-10-01">
  <owner>ayman@chromium.org</owner>
  <owner>mdjones@chromium.org</owner>
  <owner>chrome-shopping@google.org</owner>
  <summary>
    Records the number of price tracked products for the user. This count is
    recorded daily (once every 24 hours) or the next time the browser starts if
    more than 24 hours have passed since last recorded. This metric is
    implemented for all platforms.
  </summary>
</histogram>

<histogram name="Commerce.PriceTracking.SidePanelImageLoad"
    enum="BooleanSuccess" expires_after="2023-10-01">
  <owner>yuezhanggg@chromium.org</owner>
  <owner>mdjones@chromium.org</owner>
  <owner>chrome-shopping@google.org</owner>
  <summary>
    Records every time we try to load an image in the price tracking side panel
    UI. This histogram logs 'Success' when loading was successful and 'Failure'
    when there was an error.
  </summary>
</histogram>

<histogram name="Commerce.PriceTracking.Untrack.BookmarkFound" enum="Boolean"
    expires_after="2024-01-03">
  <owner>ayman@chromium.org</owner>
  <owner>davidjm@chromium.org</owner>
  <summary>
    Records whether a bookmark is found when untracking a site in price drop
    notifications upon receiving a price drop notification. It is expected that
    a bookmark should be present if a notification has been received. This
    metric is being recorded to confirm that assumption is valid.
  </summary>
</histogram>

<histogram name="Commerce.PriceTracking.Untrack.Success" enum="Boolean"
    expires_after="2024-01-03">
  <owner>ayman@chromium.org</owner>
  <owner>davidjm@chromium.org</owner>
  <summary>
    Records whether untracking price drops for a site was successful or not
    after selecting 'Untrack' from the long press menu upon receiving a price
    drop notification.
  </summary>
</histogram>

<histogram name="Commerce.ShoppingService.ProductInfo.FallbackDataContent"
    enum="ShoppingDataProviderFallback" expires_after="2023-06-01">
  <owner>ayman@chromium.org</owner>
  <owner>mdjones@chromium.org</owner>
  <summary>
    Records whick type of fallback data (javascript on-page heuristics) was used
    when filling in gaps from Optimization Guide. This does not track whether
    the page was actually bookmarked, it only indicates what information might
    be missing or how often we get supplementary images when on a product page.
  </summary>
</histogram>

<histogram name="Commerce.ShoppingService.ProductInfo.FallbackDataUsed"
    enum="Boolean" expires_after="2023-09-10">
  <owner>ayman@chromium.org</owner>
  <owner>mdjones@chromium.org</owner>
  <summary>
    Records whether fallback data (javascript on-page heuristics) was used to
    supplement the data provided by Optimization Guide. This does not track
    whether the page was actually bookmarked.
  </summary>
</histogram>

<histogram name="Commerce.ShoppingService.ProductInfo.ImageAvailability"
    enum="ProductImageAvailability" expires_after="2023-10-08">
  <owner>ayman@chromium.org</owner>
  <owner>mdjones@chromium.org</owner>
  <summary>
    Records the availability of a product image for an offer. The image can be
    provided by the server, provided locally, have both options available, or
    neither. The goal is to see the overlap between server knowledge and what
    can be provided locally. This histogram is available on any platform where
    the shopping service's product info API is enabled and is recorded only
    after the local, on-page fallback is run (since we need both server-provided
    and local to record the right value).
  </summary>
</histogram>

<histogram name="Commerce.SignIn.AccountWaaStatus"
    enum="AccountWaaStatusForCommerce" expires_after="2023-06-25">
  <obsolete>
    Deprecated in 01/2023. It's no longer needed.
  </obsolete>
  <owner>zhiyuancai@chromium.org</owner>
  <owner>ayman@chromium.org</owner>
  <owner>chrome-shopping@google.com</owner>
  <summary>
    Records the web and app activity status of user account. Emitted for clients
    in our experiment when Chrome is foregrounded. Recorded at most once in a
    one-day moving window. Implemented for Android.
  </summary>
</histogram>

<histogram name="Commerce.Subscriptions.TabEligible" enum="Boolean"
    expires_after="2023-04-25">
  <owner>zhiyuancai@chromium.org</owner>
  <owner>ayman@chromium.org</owner>
  <owner>chrome-shopping@google.com</owner>
  <summary>
    Records whether a tab is eligible for commerce subscriptions. True when the
    tab has offer and the tab is stale (Last opened time between 1 and 90 days).
    Recorded when we initialize commerce subscriptions (For eligible users, we
    initialize subscriptions when Chrome becomes foreground app but at most once
    in a one-day moving window). Implemented for Android.
  </summary>
</histogram>

<histogram name="Commerce.Subscriptions.TrackResult"
    enum="ShoppingSubscriptionsRequestStatus" expires_after="2023-08-27">
  <owner>zhiyuancai@chromium.org</owner>
  <owner>ayman@chromium.org</owner>
  <owner>chrome-shopping@google.com</owner>
  <summary>
    Records the result of a product tracking request in the subscriptions
    manager. Recorded when the request finishes.
  </summary>
</histogram>

<histogram name="Commerce.Subscriptions.UntrackResult"
    enum="ShoppingSubscriptionsRequestStatus" expires_after="2023-09-03">
  <owner>zhiyuancai@chromium.org</owner>
  <owner>ayman@chromium.org</owner>
  <owner>chrome-shopping@google.com</owner>
  <summary>
    Records the result of a product untracking request in the subscriptions
    manager. Recorded when the request finishes.
  </summary>
</histogram>

<histogram name="Commerce.Subscriptions.{ManagementType}.Count"
    units="subscriptions" expires_after="2023-04-25">
  <obsolete>
    Deprecated in 01/2023. Replaced by
    Commerce.PriceTracking.PriceTrackedProductCount.
  </obsolete>
  <owner>zhiyuancai@chromium.org</owner>
  <owner>ayman@chromium.org</owner>
  <owner>chrome-shopping@google.com</owner>
  <summary>
    The number of price tracking subscriptions stored in local storage for the
    specified management type. Emitted for clients in our experiment when Chrome
    is foregrounded. Recorded at most once in a one-day moving window.
    Implemented for Android.
  </summary>
  <token key="ManagementType" variants="ManagementTypes"/>
</histogram>

<histogram name="MerchantTrust.BottomSheet.CloseReason"
    enum="BottomSheet.StateChangeReason" expires_after="2023-04-25">
  <owner>ayman@chromium.org</owner>
  <owner>zhiyuancai@chromium.org</owner>
  <owner>chrome-shopping@google.com</owner>
  <summary>
    Records the reason that the merchant trust bottom sheet is closed. Recorded
    when the bottom sheet is closed. Implemented for Android.
  </summary>
</histogram>

<histogram name="MerchantTrust.BottomSheet.DurationFullyOpened" units="ms"
    expires_after="2023-04-25">
  <owner>ayman@chromium.org</owner>
  <owner>zhiyuancai@chromium.org</owner>
  <owner>chrome-shopping@google.com</owner>
  <summary>
    Records the duration in milliseconds that the merchant trust bottom sheet is
    left fully expanded. Implemented for Android.
  </summary>
</histogram>

<histogram name="MerchantTrust.BottomSheet.DurationHalfOpened" units="ms"
    expires_after="2023-04-25">
  <owner>ayman@chromium.org</owner>
  <owner>zhiyuancai@chromium.org</owner>
  <owner>chrome-shopping@google.com</owner>
  <summary>
    Records the duration in milliseconds that the merchant trust bottom sheet is
    left half expanded. Implemented for Android.
  </summary>
</histogram>

<histogram name="MerchantTrust.BottomSheet.DurationPeeked" units="ms"
    expires_after="2023-04-25">
  <owner>ayman@chromium.org</owner>
  <owner>zhiyuancai@chromium.org</owner>
  <owner>chrome-shopping@google.com</owner>
  <summary>
    Records the duration in milliseconds that the merchant trust bottom sheet is
    peeking. Implemented for Android.
  </summary>
</histogram>

<histogram name="MerchantTrust.BottomSheet.IsFullyViewed" enum="Boolean"
    expires_after="2023-04-25">
  <owner>ayman@chromium.org</owner>
  <owner>zhiyuancai@chromium.org</owner>
  <owner>chrome-shopping@google.com</owner>
  <summary>
    Records whether the merchant trust bottom sheet is fully expanded. Recorded
    when the bottom sheet is closed. Implemented for Android.
  </summary>
</histogram>

<histogram name="MerchantTrust.BottomSheet.IsHalfViewed" enum="Boolean"
    expires_after="2023-04-25">
  <owner>ayman@chromium.org</owner>
  <owner>zhiyuancai@chromium.org</owner>
  <owner>chrome-shopping@google.com</owner>
  <summary>
    Records whether the merchant trust bottom sheet is half expanded. Recorded
    when the bottom sheet is closed. Implemented for Android.
  </summary>
</histogram>

<histogram name="MerchantTrust.BottomSheet.OpenSource"
    enum="MerchantTrustBottomSheetOpenedSource" expires_after="2023-04-25">
  <owner>zhiyuancai@chromium.org</owner>
  <owner>chrome-shopping@google.com</owner>
  <summary>
    Records which ui the bottom sheet is opened from. Recorded when the bottom
    sheet is opened. Implemented for Android.
  </summary>
</histogram>

<histogram name="MerchantTrust.Message.ClearReason"
    enum="MerchantTrustMessageClearReason" expires_after="2023-04-25">
  <owner>ayman@chromium.org</owner>
  <owner>zhiyuancai@chromium.org</owner>
  <owner>chrome-shopping@google.com</owner>
  <summary>
    Records why the prepared merchant trust message is cleared. Recorded when
    the prepared message is cleared. Implemented for Android. In M96 and later
    this includes MESSAGE_CONTEXT_NO_LONGER_VALID and
    SWITCH_TO_DIFFERENT_WEBCONTENTS.
  </summary>
</histogram>

<histogram name="MerchantTrust.Message.DismissReason"
    enum="MessageDismissReason" expires_after="2023-04-25">
  <owner>ayman@chromium.org</owner>
  <owner>zhiyuancai@chromium.org</owner>
  <owner>chrome-shopping@google.com</owner>
  <summary>
    Records the reason that the merchant trust message is dismissed. Implemented
    for Android.
  </summary>
</histogram>

<histogram name="MerchantTrust.Message.DurationPrepared" units="ms"
    expires_after="2023-04-25">
  <owner>ayman@chromium.org</owner>
  <owner>zhiyuancai@chromium.org</owner>
  <owner>chrome-shopping@google.com</owner>
  <summary>
    Records the duration in milliseconds from the merchant trust message being
    prepared to it being shown or cleared. Implemented for Android.
  </summary>
</histogram>

<histogram name="MerchantTrust.Message.DurationShown" units="ms"
    expires_after="2023-04-25">
  <owner>ayman@chromium.org</owner>
  <owner>zhiyuancai@chromium.org</owner>
  <owner>chrome-shopping@google.com</owner>
  <summary>
    Records the duration in milliseconds that the merchant trust message is
    shown. Implemented for Android.
  </summary>
</histogram>

<histogram name="MerchantTrust.MessageImpact.BrowsingTime" units="ms"
    expires_after="2023-04-25">
  <owner>zhiyuancai@chromium.org</owner>
  <owner>ayman@chromium.org</owner>
  <owner>chrome-shopping@google.com</owner>
  <summary>
    Records the user browsing time in milliseconds in a tab on the same host
    after a message shows. Recorded when user navigates to another host or the
    tab gets hid/closed. Recorded for all messages. Implemented for Android.
  </summary>
</histogram>

<histogram
    name="MerchantTrust.MessageImpact.BrowsingTime.Rating{MessageStarRating}"
    units="ms" expires_after="2023-04-25">
  <owner>zhiyuancai@chromium.org</owner>
  <owner>ayman@chromium.org</owner>
  <owner>chrome-shopping@google.com</owner>
  <summary>
    Records the user browsing time in milliseconds in a tab on the same host
    after a message shows. Recorded when user navigates to another host or the
    tab gets hid/closed. Recorded for message with {MessageStarRating}.
    Implemented for Android.
  </summary>
  <token key="MessageStarRating" variants="MerchantTrustMessageStarRating"/>
</histogram>

<histogram name="MerchantTrust.MessageImpact.NavigationCount"
    units="navigations" expires_after="2023-04-25">
  <owner>zhiyuancai@chromium.org</owner>
  <owner>ayman@chromium.org</owner>
  <owner>chrome-shopping@google.com</owner>
  <summary>
    Records the user navigation count in a tab on the same host after a message
    shows. Recorded when user navigates to another host or the tab gets
    hid/closed. Recorded for all messages. Implemented for Android.
  </summary>
</histogram>

<histogram
    name="MerchantTrust.MessageImpact.NavigationCount.Rating{MessageStarRating}"
    units="navigations" expires_after="2023-04-25">
  <owner>zhiyuancai@chromium.org</owner>
  <owner>ayman@chromium.org</owner>
  <owner>chrome-shopping@google.com</owner>
  <summary>
    Records the user navigation count in a tab on the same host after a message
    shows. Recorded when user navigates to another host or the tab gets
    hid/closed. Recorded for message with {MessageStarRating}. Implemented for
    Android.
  </summary>
  <token key="MessageStarRating" variants="MerchantTrustMessageStarRating"/>
</histogram>

<histogram name="MerchantTrust.PageInfo.IsStoreInfoVisible"
    enum="BooleanVisible" expires_after="2023-08-27">
  <owner>zhiyuancai@chromium.org</owner>
  <owner>chrome-shopping@google.com</owner>
  <summary>
    Records whether the store info row is visible in page info. Recorded when
    the page info is opened. Implemented for Android.
  </summary>
</histogram>

</histograms>

</histogram-configuration>