[Clean up] Delete obsolete histogram definitions in content/ and new_tab_page/
Bug: 1285123
Change-Id: I3772dee6c057ba051e05b111f28149b82dc3bb34
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3389009
Auto-Submit: Yue Ru Sun <yrsun@chromium.org>
Reviewed-by: Robert Kaplow <rkaplow@chromium.org>
Commit-Queue: Robert Kaplow <rkaplow@chromium.org>
Cr-Commit-Position: refs/heads/main@{#960431}
diff --git a/tools/metrics/histograms/metadata/content/histograms.xml b/tools/metrics/histograms/metadata/content/histograms.xml
index 3e572954..4ae4e15b 100644
--- a/tools/metrics/histograms/metadata/content/histograms.xml
+++ b/tools/metrics/histograms/metadata/content/histograms.xml
@@ -36,22 +36,6 @@
</summary>
</histogram>
-<histogram name="ContentCapture.CaptureContentTime" units="microseconds"
- expires_after="M87">
- <obsolete>
- Replaced by ContentCapture.CaptureContentTime2 since M87, the new histogram
- records the grouping time additionally.
- </obsolete>
- <owner>michaelbai@chromium.org</owner>
- <owner>src/third_party/blink/renderer/core/content_capture/OWNERS</owner>
- <summary>
- The time taken to capture the on-screen content.
-
- Note that this metrics is only recorded on clients on which a
- high-resolution clock is available.
- </summary>
-</histogram>
-
<histogram name="ContentCapture.CaptureContentTime2" units="microseconds"
expires_after="2022-12-01">
<owner>michaelbai@chromium.org</owner>
@@ -88,17 +72,6 @@
</summary>
</histogram>
-<histogram name="ContentCapture.SentContentCount" units="count"
- expires_after="2021-04-04">
- <obsolete>
- Replaced by ContentCapture.SentContentCount2 in M89, which uses standard
- buckets for 10k counts rather than exact linear buckets.
- </obsolete>
- <owner>michaelbai@chromium.org</owner>
- <owner>src/third_party/blink/renderer/core/content_capture/OWNERS</owner>
- <summary>The total number of content captures sent for a document.</summary>
-</histogram>
-
<histogram name="ContentCapture.SentContentCount2" units="count"
expires_after="2022-12-01">
<owner>michaelbai@chromium.org</owner>
@@ -278,16 +251,6 @@
<summary>The default notification setting at profile open.</summary>
</histogram>
-<histogram name="ContentSettings.DefaultPluginsSetting" enum="ContentSetting"
- expires_after="2021-06-19">
- <obsolete>
- Removed as of 09/2020. Flash / Plugins is deprecated.
- </obsolete>
- <owner>engedy@chromium.org</owner>
- <owner>src/components/permissions/PERMISSIONS_OWNERS</owner>
- <summary>The default plugins setting at profile open.</summary>
-</histogram>
-
<histogram name="ContentSettings.DefaultPopupsSetting" enum="ContentSetting"
expires_after="2022-06-19">
<owner>engedy@chromium.org</owner>
@@ -335,18 +298,6 @@
</summary>
</histogram>
-<histogram name="ContentSettings.EphemeralFlashPermission"
- enum="ContentSettings.EphemeralFlashPermission" expires_after="M89">
- <obsolete>
- Flash / Plugins is deprecated since M87 and removed in M89.
- </obsolete>
- <owner>engedy@chromium.org</owner>
- <owner>src/components/permissions/PERMISSIONS_OWNERS</owner>
- <summary>
- Records the number of times Flash permission is granted for a host.
- </summary>
-</histogram>
-
<histogram name="ContentSettings.Exceptions" units="units"
expires_after="never">
<!-- expires-never: tracked as an important privacy metric. -->
@@ -474,60 +425,6 @@
</summary>
</histogram>
-<histogram name="ContentSettings.PermissionRequested_InsecureOrigin"
- enum="PermissionType" expires_after="M90">
- <obsolete>
- Removed as of July 2021. No permissions are supported for insecure origins.
- </obsolete>
- <owner>dominickn@chromium.org</owner>
- <owner>engedy@chromium.org</owner>
- <owner>hkamila@chromium.org</owner>
- <summary>
- Number of times a given permission was requested by an insecure origin and
- the user has the permission set to prompt (i.e. not blocked or allowed).
-
- Note this is probably not the metric you want - it does not correspond to
- the total number of times websites request a permission. Also, because
- specific permissions have code that can automatically block or grant
- permissions based on things like incognito, installed extensions etc., this
- does also not correspond to the number of times users are prompted to allow
- permissions.
-
- For a better metric to track how often users are prompted, use
- ContentSettings.PermissionsActions*.
-
- See https://crbug.com/638076 for more details.
- </summary>
-</histogram>
-
-<histogram name="ContentSettings.PermissionRequested_SecureOrigin"
- enum="PermissionType" expires_after="M90">
- <obsolete>
- Removed as of July 2021. No permissions are supported for insecure origins.
- So we don't need to differentiate between Secure and Insecure origins.
- ContentSettings.PermissionRequested histogram is enough.
- </obsolete>
- <owner>dominickn@chromium.org</owner>
- <owner>engedy@chromium.org</owner>
- <owner>hkamila@chromium.org</owner>
- <summary>
- Number of times a given permission was requested by a secure origin and the
- user has the permission set to prompt (i.e. not blocked or allowed).
-
- Note this is probably not the metric you want - it does not correspond to
- the total number of times websites request a permission. Also, because
- specific permissions have code that can automatically block or grant
- permissions based on things like incognito, installed extensions etc., this
- does also not correspond to the number of times users are prompted to allow
- permissions.
-
- For a better metric to track how often users are prompted, use
- ContentSettings.PermissionsActions*.
-
- See https://crbug.com/638076 for more details.
- </summary>
-</histogram>
-
<histogram name="ContentSettings.Plugins" enum="ContentSettingPluginsAction"
expires_after="M77">
<owner>tommycli@chromium.org</owner>
@@ -633,86 +530,6 @@
</summary>
</histogram>
-<histogram name="ContentSuggestions.Feed.AppLifecycle.Events"
- enum="AppLifecycleEvent" expires_after="M89">
- <obsolete>
- Removed along with FeedV1 in M89
- </obsolete>
- <owner>carlosk@chromium.org</owner>
- <owner>harringtond@chromium.org</owner>
- <owner>feed@chromium.org</owner>
- <summary>
- Android: count of app lifecycle events reported to the Feed library.
- Recorded as these events occur; e.g. when Chrome is foregrounded,
- backgrounded, or the user clears cached browsing data.
- </summary>
-</histogram>
-
-<histogram name="ContentSuggestions.Feed.AppLifecycle.NumRowsForDeletion"
- units="count" expires_after="M89">
- <obsolete>
- Removed along with FeedV1 in M89
- </obsolete>
- <owner>carlosk@chromium.org</owner>
- <owner>harringtond@chromium.org</owner>
- <owner>feed@chromium.org</owner>
- <summary>
- Android: number of rows present in a history deletion that's causing all
- current suggestions to be deleted. Each row should correspond to a url that
- is beign removed from history. Is not emitted when entire history is being
- cleared.
- </summary>
-</histogram>
-
-<histogram name="ContentSuggestions.Feed.AutoplayEvent"
- enum="FeedAutoplayEvent" expires_after="M95">
- <obsolete>
- Removed as of 05/2021. Replaced by ContentSuggestions.Feed.VideoPlayEvent.
- </obsolete>
- <owner>jianli@chromium.org</owner>
- <owner>feed@chromium.org</owner>
- <summary>
- Android: records events triggered during the video autoplay.
- </summary>
-</histogram>
-
-<histogram name="ContentSuggestions.Feed.AvailableOffline.Opened"
- enum="Boolean" expires_after="M89">
- <obsolete>
- Removed along with FeedV1 in M89
- </obsolete>
- <owner>carlosk@chromium.org</owner>
- <owner>harringtond@chromium.org</owner>
- <owner>feed@chromium.org</owner>
- <summary>
- When an article on the NTP is opened by the user, records whether it is
- available offline. When an article is available offline, it will have an
- offline badge in the UI on the NTP. Opening the article occurs when the user
- navigates from the NTP to the article itself, which can be either in the
- current tab or a new tab. Note that this is independent of whether the
- article is actually opened as an offline page or not.
- </summary>
-</histogram>
-
-<histogram name="ContentSuggestions.Feed.AvailableOffline.Shown" enum="Boolean"
- expires_after="M89">
- <obsolete>
- Removed along with FeedV1 in M89
- </obsolete>
- <owner>carlosk@chromium.org</owner>
- <owner>harringtond@chromium.org</owner>
- <owner>feed@chromium.org</owner>
- <summary>
- Records whether an article on the NTP that is shown to the user was also
- available offline. When an article is available offline, it will have an
- offline badge in the UI. The initial offline status of the article is used
- for this metric. While it is possible for the offline status to change while
- the article is on screen, this metric will not be re-emitted. The criteria
- for an article to be "shown" is for 2/3 of its vertical height to
- be on screen for any amount of time.
- </summary>
-</histogram>
-
<histogram name="ContentSuggestions.Feed.BrokenNTPHierarchy"
enum="NTPBrokenViewHierarchyRelationship" expires_after="M99">
<owner>adamta@google.com</owner>
@@ -774,20 +591,6 @@
<summary>Actions related to the feed controls.</summary>
</histogram>
-<histogram name="ContentSuggestions.Feed.Count" units="entries"
- expires_after="M89">
- <obsolete>
- Removed along with FeedV1 in M89
- </obsolete>
- <owner>carlosk@chromium.org</owner>
- <owner>harringtond@chromium.org</owner>
- <owner>feed@chromium.org</owner>
- <summary>
- Tracks the number of entries for the Feed storage after database perform get
- all keys request.
- </summary>
-</histogram>
-
<histogram name="ContentSuggestions.Feed.DisplayStatusOnOpen"
enum="ContentSuggestionsDisplayStatus" expires_after="2022-06-26">
<owner>carlosk@chromium.org</owner>
@@ -801,52 +604,6 @@
</summary>
</histogram>
-<histogram name="ContentSuggestions.Feed.FetchPendingSpinner.Shown"
- enum="FeedSpinnerType" expires_after="M89">
- <obsolete>
- Removed along with FeedV1 in M89
- </obsolete>
- <owner>carlosk@chromium.org</owner>
- <owner>harringtond@chromium.org</owner>
- <owner>feed@chromium.org</owner>
- <summary>
- Android: The type of spinner when the content suggestion shows the loading
- spinner. This is tracked based on if the spinner is shown, not how long it
- is visible.
- </summary>
-</histogram>
-
-<histogram name="ContentSuggestions.Feed.FetchPendingSpinner.VisibleDuration"
- units="ms" expires_after="M89">
- <obsolete>
- Removed along with FeedV1 in M89
- </obsolete>
- <owner>carlosk@chromium.org</owner>
- <owner>harringtond@chromium.org</owner>
- <owner>feed@chromium.org</owner>
- <summary>
- Android: How long the content suggestion loading spinner is shown when a
- loading spinner finishes showing. This is tracked based on when the spinner
- is enabled in the UI, not how long it is actually visible on screen.
- </summary>
-</histogram>
-
-<histogram
- name="ContentSuggestions.Feed.FetchPendingSpinner.VisibleDurationWithoutCompleting"
- units="ms" expires_after="M89">
- <obsolete>
- Removed along with FeedV1 in M89
- </obsolete>
- <owner>carlosk@chromium.org</owner>
- <owner>harringtond@chromium.org</owner>
- <owner>feed@chromium.org</owner>
- <summary>
- Android: How long the content suggestion loading spinner is shown when a
- spinner is destroyed without completing. This is tracked based on when the
- spinner is enabled in the UI, not how long it is actually visible on screen.
- </summary>
-</histogram>
-
<histogram name="ContentSuggestions.Feed.ImageFetchStatus"
enum="CombinedHttpResponseAndNetErrorCode" expires_after="2022-03-01">
<owner>harringtond@chromium.org</owner>
@@ -858,58 +615,6 @@
</summary>
</histogram>
-<histogram name="ContentSuggestions.Feed.InterestHeader.NotInterestedInSource"
- units="index" expires_after="M89">
- <obsolete>
- Removed along with FeedV1 in M89
- </obsolete>
- <owner>carlosk@chromium.org</owner>
- <owner>harringtond@chromium.org</owner>
- <owner>feed@chromium.org</owner>
- <summary>
- The position of an interest header on the NTP that the user has indicated
- they aren't interested in the story's source.
- </summary>
-</histogram>
-
-<histogram name="ContentSuggestions.Feed.InterestHeader.NotInterestedInTopic"
- units="index" expires_after="M89">
- <obsolete>
- Removed along with FeedV1 in M89
- </obsolete>
- <owner>carlosk@chromium.org</owner>
- <owner>harringtond@chromium.org</owner>
- <owner>feed@chromium.org</owner>
- <summary>
- The position of an interest header on the NTP that the user has indicated
- they aren't interested in the story's topic.
- </summary>
-</histogram>
-
-<histogram name="ContentSuggestions.Feed.InternalError"
- enum="FeedInternalError" expires_after="M89">
- <obsolete>
- Removed along with FeedV1 in M89
- </obsolete>
- <owner>carlosk@chromium.org</owner>
- <owner>harringtond@chromium.org</owner>
- <owner>feed@chromium.org</owner>
- <summary>The Feed library encountered an error at any time.</summary>
-</histogram>
-
-<histogram name="ContentSuggestions.Feed.LoadKeysTime" units="ms"
- expires_after="M89">
- <obsolete>
- Removed along with FeedV1 in M89
- </obsolete>
- <owner>carlosk@chromium.org</owner>
- <owner>harringtond@chromium.org</owner>
- <owner>feed@chromium.org</owner>
- <summary>
- The time it takes for the Feed to load all keys from the storage.
- </summary>
-</histogram>
-
<histogram base="true" name="ContentSuggestions.Feed.LoadStepLatency"
units="ms" expires_after="2022-07-03">
<owner>harringtond@chromium.org</owner>
@@ -935,19 +640,6 @@
</summary>
</histogram>
-<histogram name="ContentSuggestions.Feed.LoadTime" units="ms"
- expires_after="M89">
- <obsolete>
- Removed along with FeedV1 in M89
- </obsolete>
- <owner>carlosk@chromium.org</owner>
- <owner>harringtond@chromium.org</owner>
- <owner>feed@chromium.org</owner>
- <summary>
- The time it takes for the Feed to load entries from the storage.
- </summary>
-</histogram>
-
<histogram name="ContentSuggestions.Feed.Network.CompressedResponseSizeKB"
units="KB" expires_after="2022-07-03">
<owner>carlosk@chromium.org</owner>
@@ -1032,19 +724,6 @@
</summary>
</histogram>
-<histogram name="ContentSuggestions.Feed.Network.TokenDuration" units="ms"
- expires_after="M89">
- <obsolete>
- Removed along with FeedV1 in M89
- </obsolete>
- <owner>carlosk@chromium.org</owner>
- <owner>harringtond@chromium.org</owner>
- <owner>feed@chromium.org</owner>
- <summary>
- The amount of time it takes to get an access token for signed in users.
- </summary>
-</histogram>
-
<histogram name="ContentSuggestions.Feed.Network.TokenFetchStatus"
enum="GoogleServiceAuthError" expires_after="2022-07-11">
<owner>carlosk@chromium.org</owner>
@@ -1478,75 +1157,6 @@
</summary>
</histogram>
-<histogram name="ContentSuggestions.Feed.VisualElement.Clicked" units="index"
- expires_after="M89">
- <obsolete>
- Removed along with FeedV1 in M89
- </obsolete>
- <owner>carlosk@chromium.org</owner>
- <owner>harringtond@chromium.org</owner>
- <owner>feed@chromium.org</owner>
- <summary>
- Android: The position of a clicked element in the stream not accounting for
- header views. The top being 0. Position does not change after initial
- layout. Specifically the position does not update if dismisses/removes are
- performed. This is similar to NewTabPage.ContentSuggestions.Opened, but
- records the specific elementType that was clicked.
- </summary>
-</histogram>
-
-<histogram
- name="ContentSuggestions.Feed.VisualElement.Clicked.TimeSinceElementFetched"
- units="ms" expires_after="M89">
- <obsolete>
- Removed along with FeedV1 in M89
- </obsolete>
- <owner>carlosk@chromium.org</owner>
- <owner>harringtond@chromium.org</owner>
- <owner>feed@chromium.org</owner>
- <summary>
- Android: The time since the content was made available on the device. This
- could be the time for when this content was retrieved from the server or the
- time the data was pushed to the device. Recorded when the user clicks the
- element.
- </summary>
-</histogram>
-
-<histogram name="ContentSuggestions.Feed.VisualElement.Viewed" units="index"
- expires_after="M89">
- <obsolete>
- Removed along with FeedV1 in M89
- </obsolete>
- <owner>carlosk@chromium.org</owner>
- <owner>harringtond@chromium.org</owner>
- <owner>feed@chromium.org</owner>
- <summary>
- Android: The position of a viewed element in the stream not accounting for
- header views. The top being 0. Position does not change after initial
- layout. Specifically the position does not update if dismisses/removes are
- performed. This is similar to NewTabPage.ContentSuggestions.Shown, but
- records the view after it has been on the screen for 500 milliseconds of
- time instead of on predraw.
- </summary>
-</histogram>
-
-<histogram
- name="ContentSuggestions.Feed.VisualElement.Viewed.TimeSinceElementFetched"
- units="ms" expires_after="M89">
- <obsolete>
- Removed along with FeedV1 in M89
- </obsolete>
- <owner>carlosk@chromium.org</owner>
- <owner>harringtond@chromium.org</owner>
- <owner>feed@chromium.org</owner>
- <summary>
- Android: The time since the content was made available on the device. This
- could be the time for when this content was retrieved from the server or the
- time the data was pushed to the device. Recorded when the element has been
- on the screen for 500 milliseconds.
- </summary>
-</histogram>
-
<histogram name="ContentSuggestions.Feed.WebFeed.FollowByIdResult"
enum="WebFeedSubscriptionRequestStatus" expires_after="2022-07-01">
<owner>harringtond@chromium.org</owner>
@@ -1720,48 +1330,6 @@
</summary>
</histogram>
-<histogram
- name="ContentSuggestions.Feed.ZeroStateRefreshCompleted.ContentCount"
- units="count" expires_after="M89">
- <obsolete>
- Removed along with FeedV1 in M89
- </obsolete>
- <owner>carlosk@chromium.org</owner>
- <owner>harringtond@chromium.org</owner>
- <owner>feed@chromium.org</owner>
- <summary>
- How many top level features were in an initial article fetch, typically
- clusters. Recorded when an article fetch completes and were previously in
- zero state.
- </summary>
-</histogram>
-
-<histogram name="ContentSuggestions.Feed.ZeroStateRefreshCompleted.TokenCount"
- units="count" expires_after="M89">
- <obsolete>
- Removed along with FeedV1 in M89
- </obsolete>
- <owner>carlosk@chromium.org</owner>
- <owner>harringtond@chromium.org</owner>
- <owner>feed@chromium.org</owner>
- <summary>
- How many tokens were in an initial article fetch, typically ways to fetch
- more articles. Recorded when an article fetch completes and were previously
- in zero state.
- </summary>
-</histogram>
-
-<histogram name="ContentSuggestions.Feed.ZeroStateShown.Reason"
- enum="FeedZeroStateShowReason" expires_after="M89">
- <obsolete>
- Removed along with FeedV1 in M89
- </obsolete>
- <owner>carlosk@chromium.org</owner>
- <owner>harringtond@chromium.org</owner>
- <owner>feed@chromium.org</owner>
- <summary>The reason the zero state (no articles) is shown to a user.</summary>
-</histogram>
-
<histogram name="ContentSuggestions.Feed.{PlayType}Video.InitializationError"
enum="FeedVideoInitializationError" expires_after="M96">
<owner>jianli@chromium.org</owner>
diff --git a/tools/metrics/histograms/metadata/histogram_suffixes_list.xml b/tools/metrics/histograms/metadata/histogram_suffixes_list.xml
index 3739514..f6693a8 100644
--- a/tools/metrics/histograms/metadata/histogram_suffixes_list.xml
+++ b/tools/metrics/histograms/metadata/histogram_suffixes_list.xml
@@ -2603,10 +2603,6 @@
<histogram_suffixes name="ContentSuggestionUndoableActions" separator=".">
<suffix name="Commit" label="Action was committed"/>
<suffix name="Undo" label="Action was undone"/>
- <affected-histogram
- name="ContentSuggestions.Feed.InterestHeader.NotInterestedInSource"/>
- <affected-histogram
- name="ContentSuggestions.Feed.InterestHeader.NotInterestedInTopic"/>
<affected-histogram name="NewTabPage.ContentSuggestions.DismissedUnvisited"/>
<affected-histogram name="NewTabPage.ContentSuggestions.DismissedVisited"/>
</histogram_suffixes>
@@ -4939,12 +4935,6 @@
<suffix name="InterestHeader" label="Interest header"/>
<suffix name="Tooltip" label="Tooltip"/>
<suffix name="UnknownElementType" label="Unknown element type"/>
- <affected-histogram name="ContentSuggestions.Feed.VisualElement.Clicked"/>
- <affected-histogram
- name="ContentSuggestions.Feed.VisualElement.Clicked.TimeSinceElementFetched"/>
- <affected-histogram name="ContentSuggestions.Feed.VisualElement.Viewed"/>
- <affected-histogram
- name="ContentSuggestions.Feed.VisualElement.Viewed.TimeSinceElementFetched"/>
</histogram_suffixes>
<histogram_suffixes name="FeedIsSynthetic" separator=".">
@@ -5026,19 +5016,12 @@
<suffix name="MoreButton" label="More button"/>
<suffix name="SyntheticToken" label="Synthetic token"/>
<suffix name="ZeroStateRefresh" label="Zero state refresh"/>
- <affected-histogram
- name="ContentSuggestions.Feed.FetchPendingSpinner.VisibleDuration"/>
- <affected-histogram
- name="ContentSuggestions.Feed.FetchPendingSpinner.VisibleDurationWithoutCompleting"/>
</histogram_suffixes>
<histogram_suffixes name="FeedStorageType" separator="." ordering="prefix,2">
<suffix name="ContentStorage" label="Database for content storage."/>
<suffix name="JournalStorage" label="Database for journal storage."/>
<affected-histogram name="ContentSuggestions.Feed.CommitMutationCount"/>
- <affected-histogram name="ContentSuggestions.Feed.Count"/>
- <affected-histogram name="ContentSuggestions.Feed.LoadKeysTime"/>
- <affected-histogram name="ContentSuggestions.Feed.LoadTime"/>
<affected-histogram name="ContentSuggestions.Feed.OperationCommitTime"/>
</histogram_suffixes>
@@ -9104,7 +9087,6 @@
<suffix name="SuccessWithSuggestions"
label="Successfully fetched search suggestion data which contained
suggestions"/>
- <affected-histogram name="NewTabPage.SearchSuggestions.RequestLatencyV2"/>
</histogram_suffixes>
<histogram_suffixes name="NewTabPageIconTypes" separator=".">
@@ -9214,9 +9196,7 @@
</obsolete>
</suffix>
<affected-histogram name="NewTabPage.MostVisited"/>
- <affected-histogram name="NewTabPage.MostVisitedAge"/>
<affected-histogram name="NewTabPage.SuggestionsImpression"/>
- <affected-histogram name="NewTabPage.SuggestionsImpressionAge"/>
<affected-histogram name="NewTabPage.TileTitle"/>
<affected-histogram name="NewTabPage.TileTitleClicked"/>
<affected-histogram name="NewTabPage.TileType"/>
diff --git a/tools/metrics/histograms/metadata/new_tab_page/histograms.xml b/tools/metrics/histograms/metadata/new_tab_page/histograms.xml
index 8f224ffa9..e9f100f 100644
--- a/tools/metrics/histograms/metadata/new_tab_page/histograms.xml
+++ b/tools/metrics/histograms/metadata/new_tab_page/histograms.xml
@@ -79,19 +79,6 @@
</summary>
</histogram>
-<histogram name="NewTabPage.BackgroundService.NextImage.RequestLatency"
- units="ms" expires_after="M90">
- <obsolete>
- Never recorded. Marked obsolete 01/2021.
- </obsolete>
- <owner>yyushkina@chromium.org</owner>
- <summary>
- The time it took until a request from the New Tab Page for the next Backdrop
- Image in a collection was served. The duration is measured from time the
- client invokes the service call, to the time it receives the callback.
- </summary>
-</histogram>
-
<histogram name="NewTabPage.Carts.AppliedDiscount" units="count"
expires_after="2022-06-30">
<owner>meiliang@chromium.org</owner>
@@ -833,56 +820,6 @@
</summary>
</histogram>
-<histogram name="NewTabPage.Lens.LensSupportStatus" enum="LensSupportStatus"
- expires_after="2021-11-18">
- <obsolete>
- Removed 2021-03. Switch to use NewTabPage.LensSupportStatus.
- </obsolete>
- <owner>yusuyoutube@google.com</owner>
- <owner>benwgold@google.com</owner>
- <owner>fgorski@chromium.org</owner>
- <owner>wylieb@chromium.org</owner>
- <owner>lens-chrome@google.com</owner>
- <summary>
- Whether the user supports the camera assisted search with Google Lens and if
- not, the reason why. Recorded only if the feature is enabled when the New
- Tab Page search box is loaded.
- </summary>
-</histogram>
-
-<histogram name="NewTabPage.Lens.TimeSpentInLens" units="ms"
- expires_after="M94">
- <obsolete>
- Removed 2021-03. Switch to use NewTabPage.TimeSpentBeforeDismissLens.
- </obsolete>
- <owner>yusuyoutube@google.com</owner>
- <owner>benwgold@google.com</owner>
- <owner>fgorski@chromium.org</owner>
- <owner>wylieb@chromium.org</owner>
- <owner>lens-chrome@google.com</owner>
- <summary>
- Logged the elapsed time between the time when user enters the Google Lens
- and the time when user returns to Chrome. Only logged on Android.
- </summary>
-</histogram>
-
-<histogram name="NewTabPage.LensSupportStatus" enum="LensSupportStatus"
- expires_after="2021-11-18">
- <obsolete>
- Removed 2021-05. Switch to use Lens.Omnibox.LensSupportStatus.
- </obsolete>
- <owner>yusuyoutube@google.com</owner>
- <owner>benwgold@google.com</owner>
- <owner>fgorski@chromium.org</owner>
- <owner>wylieb@chromium.org</owner>
- <owner>lens-chrome@google.com</owner>
- <summary>
- Whether the user supports the camera assisted search with Google Lens and if
- not, the reason why. Recorded only if the feature is enabled when the New
- Tab Page search box is loaded.
- </summary>
-</histogram>
-
<histogram name="NewTabPage.LoadTime" units="ms" expires_after="2022-07-11">
<owner>tiborg@chromium.org</owner>
<owner>yyushkina@chromium.org</owner>
@@ -1217,20 +1154,6 @@
</summary>
</histogram>
-<histogram name="NewTabPage.MostVisitedAge" units="seconds"
- expires_after="2021-08-09">
- <obsolete>
- Removed 2021-07.
- </obsolete>
- <owner>tiborg@chromium.org</owner>
- <owner>yyushkina@chromium.org</owner>
- <owner>chrome-desktop-ntp@google.com</owner>
- <summary>
- The age of the data at click time, that is, the elapsed time since the
- suggestion was generated by a ranking algorithm.
- </summary>
-</histogram>
-
<histogram name="NewTabPage.MostVisitedMigratedDefaultAppType"
enum="TypeOfDeletedMostVisitedApp" expires_after="M103">
<owner>dibyapal@chromium.org</owner>
@@ -1251,21 +1174,6 @@
</summary>
</histogram>
-<histogram name="NewTabPage.NumberOfPreinstalledApps" units="count"
- expires_after="M97">
- <obsolete>
- Removed from code in 2022-01.
- </obsolete>
- <owner>phillis@chromium.org</owner>
- <owner>desktop-pwas-team@google.com</owner>
- <summary>
- The number of preinstalled apps that are in NTP tiles. Recorded when new tab
- page is loaded. Recorded before reloading the suggestions, navigating to a
- URL, switching tabs, changing the active window or closing the tab/shutting
- down Chrome.
- </summary>
-</histogram>
-
<histogram name="NewTabPage.NumberOfTiles" units="units"
expires_after="2022-06-12">
<owner>tiborg@chromium.org</owner>
@@ -1373,90 +1281,6 @@
</summary>
</histogram>
-<histogram name="NewTabPage.Promo.EnhancedProtectionPromo"
- enum="AndroidEnhancedProtectionPromoAction" expires_after="2022-05-15">
- <obsolete>
- Removed from code in 2021-12.
- </obsolete>
- <owner>drubery@chromium.org</owner>
- <owner>chrome-safebrowsing-core@google.com</owner>
- <summary>
- Records events related to the Safe Browsing Enhanced Protection promo card
- on the new tab page. Recorded for Android only.
- </summary>
-</histogram>
-
-<histogram
- name="NewTabPage.Promo.EnhancedProtectionPromo.ImpressionUntilAction"
- units="units" expires_after="2022-05-22">
- <obsolete>
- Removed from code in 2021-12.
- </obsolete>
- <owner>drubery@chromium.org</owner>
- <owner>chrome-safebrowsing-core@google.com</owner>
- <summary>
- The number of times that the Safe Browsing Enhanced Protection promo was
- shown to the user before they took action. Recorded when the user accepts
- the homepage promo. Recorded for Android only.
- </summary>
-</histogram>
-
-<histogram
- name="NewTabPage.Promo.EnhancedProtectionPromo.ImpressionUntilDismissal"
- units="units" expires_after="2022-05-29">
- <obsolete>
- Removed from code in 2021-12.
- </obsolete>
- <owner>drubery@chromium.org</owner>
- <owner>chrome-safebrowsing-core@google.com</owner>
- <summary>
- The number of times that the Safe Browsing Enhanced Protection promo was
- shown to the user before it was manually dismissed. Recorded when the user
- dismisses the promo. Recorded for Android only.
- </summary>
-</histogram>
-
-<histogram name="NewTabPage.Promo.HomepagePromo"
- enum="AndroidHomepagePromoAction" expires_after="2021-05-09">
- <obsolete>
- Removed in January 2021.
- </obsolete>
- <owner>wenyufu@chromium.org</owner>
- <owner>twellington@chromium.org</owner>
- <summary>
- Records events related to the homepage promo card on the new tab page.
- Recorded for Android only.
- </summary>
-</histogram>
-
-<histogram name="NewTabPage.Promo.HomepagePromo.ImpressionUntilAction"
- units="units" expires_after="2021-05-09">
- <obsolete>
- Removed in January 2021.
- </obsolete>
- <owner>wenyufu@chromium.org</owner>
- <owner>twellington@chromium.org</owner>
- <summary>
- The number of times that the homepage promo was shown to the user before
- they took action. Recorded when the user accepts the homepage promo.
- Recorded for Android only.
- </summary>
-</histogram>
-
-<histogram name="NewTabPage.Promo.HomepagePromo.ImpressionUntilDismissal"
- units="units" expires_after="2021-05-16">
- <obsolete>
- Removed in January 2021.
- </obsolete>
- <owner>wenyufu@chromium.org</owner>
- <owner>twellington@chromium.org</owner>
- <summary>
- The number of times that the homepage promo was shown to the user before it
- was manually dismissed. Recorded when the user dismisses the promo. Recorded
- for Android only.
- </summary>
-</histogram>
-
<histogram name="NewTabPage.Promos.LinkClicked" units="count"
expires_after="never">
<!-- expires-never: part of top-line metric (internal: go/chrome-browser-nsm) -->
@@ -1574,36 +1398,6 @@
</summary>
</histogram>
-<histogram name="NewTabPage.RepeatableQueries.ExtractedCount" units="count"
- expires_after="2021-10-25">
- <obsolete>
- Removed in 05 2021.
- </obsolete>
- <owner>mahmadi@chromium.org</owner>
- <owner>chrome-desktop-ntp@google.com</owner>
- <summary>
- The number of normalized search queries extracted from the in-memory URL DB
- and examined (e.g., sorted) to produce repeatable query suggestions for
- signed-out users. Triggered every time a signed-out user opens a new tab
- when the repeatable queries are enabled.
- </summary>
-</histogram>
-
-<histogram name="NewTabPage.RepeatableQueries.ExtractionDuration" units="ms"
- expires_after="2021-10-25">
- <obsolete>
- Removed in 05 2021.
- </obsolete>
- <owner>mahmadi@chromium.org</owner>
- <owner>chrome-desktop-ntp@google.com</owner>
- <summary>
- The length of time it takes to extract normalized search queries from the
- in-memory URL DB and examine (e.g., sort) them to produce repeatable query
- suggestions for signed-out users. Triggered every time a signed-out user
- opens a new tab when the repeatable queries are enabled.
- </summary>
-</histogram>
-
<histogram name="NewTabPage.RequestThrottler.PerDay" units="requests"
expires_after="2021-07-01">
<owner>freedjm@chromium.org</owner>
@@ -1669,64 +1463,6 @@
</summary>
</histogram>
-<histogram name="NewTabPage.SearchSuggestions.IndexClicked" units="units"
- expires_after="never">
- <obsolete>
- Not recorded since deprecation of search suggestions. Marked obsolete
- 09/2021.
- </obsolete>
- <owner>dbeam@chromium.org</owner>
- <owner>yyushkina@chromium.org</owner>
- <owner>chrome-analysis-team@google.com</owner>
- <summary>
- The index of the search suggestion tile that was clicked on the local NTP.
-
- This histogram is of special interest to the chrome-analysis-team@. Do not
- change its semantics or retire it without talking to them first.
- </summary>
-</histogram>
-
-<histogram name="NewTabPage.SearchSuggestions.RequestLatencyV2" units="ms"
- expires_after="M82">
- <obsolete>
- Not recorded since deprecation of search suggestions. Marked obsolete
- 09/2021.
- </obsolete>
- <owner>dbeam@chromium.org</owner>
- <owner>yyushkina@chromium.org</owner>
- <summary>
- The time it took until a request from the New Tab page for the search
- suggestions script was served. Recorded only on the local NTP.
- </summary>
-</histogram>
-
-<histogram name="NewTabPage.SearchSuggestions.RequestStatusV2"
- enum="NTPSearchSuggestionsRequestStatus" expires_after="M82">
- <obsolete>
- Not recorded since deprecation of search suggestions. Marked obsolete
- 09/2021.
- </obsolete>
- <owner>dbeam@chromium.org</owner>
- <owner>yyushkina@chromium.org</owner>
- <summary>
- Whether a request was made for search suggestions on NTP load; and if a
- request was not made, the reason why.
- </summary>
-</histogram>
-
-<histogram name="NewTabPage.SearchSuggestions.ShownCount" units="units"
- expires_after="M82">
- <obsolete>
- Not recorded since deprecation of search suggestions. Marked obsolete
- 09/2021.
- </obsolete>
- <owner>dbeam@chromium.org</owner>
- <owner>yyushkina@chromium.org</owner>
- <summary>
- The number of search suggestion tiles that were shown on the local NTP.
- </summary>
-</histogram>
-
<histogram name="NewTabPage.ShoppingTasks.ProductClick" units="index"
expires_after="2022-07-01">
<owner>danpeng@google.com</owner>
@@ -1779,95 +1515,6 @@
</summary>
</histogram>
-<histogram name="NewTabPage.Snippets.DatabaseLoadTime" units="ms"
- expires_after="M85">
- <obsolete>
- Removed in October 2020.
- </obsolete>
- <owner>freedjm@chromium.org</owner>
- <owner>feed@chromium.org</owner>
- <summary>
- Android: The time it took to load the database of persisted content
- suggestions. Recorded only when the database is loaded successfully.
- </summary>
-</histogram>
-
-<histogram name="NewTabPage.Snippets.EnteredState" enum="NTPSnippetsState"
- expires_after="M85">
- <obsolete>
- Removed in October 2020.
- </obsolete>
- <owner>freedjm@chromium.org</owner>
- <owner>feed@chromium.org</owner>
- <summary>
- Android: The state of the RemoteSuggestionsProvider. Recorded when the state
- changes, typically once at startup and rarely afterwards, e.g. on database
- errors.
- </summary>
-</histogram>
-
-<histogram name="NewTabPage.Snippets.FetchHttpResponseOrErrorCode"
- enum="CombinedHttpResponseAndNetErrorCode" expires_after="M85">
- <obsolete>
- Removed in October 2020.
- </obsolete>
- <owner>freedjm@chromium.org</owner>
- <owner>feed@chromium.org</owner>
- <summary>
- Response or error codes encountered when attempting to fetch snippets.
- </summary>
-</histogram>
-
-<histogram name="NewTabPage.Snippets.FetchResult" enum="NtpSnippetsFetchResult"
- expires_after="M85">
- <obsolete>
- Removed in October 2020.
- </obsolete>
- <owner>freedjm@chromium.org</owner>
- <owner>feed@chromium.org</owner>
- <summary>
- Result of attempting a fetch, logged once per issued trigger.
- </summary>
-</histogram>
-
-<histogram name="NewTabPage.Snippets.FetchTime" units="ms" expires_after="M85">
- <obsolete>
- Removed in October 2020.
- </obsolete>
- <owner>freedjm@chromium.org</owner>
- <owner>feed@chromium.org</owner>
- <summary>
- Time spent fetching snippets. Only recorded for fetch attempts that resulted
- in an actual network request.
- </summary>
-</histogram>
-
-<histogram name="NewTabPage.Snippets.FetchTimeLocal" units="minutes"
- expires_after="M85">
- <obsolete>
- Removed in October 2020.
- </obsolete>
- <owner>freedjm@chromium.org</owner>
- <owner>feed@chromium.org</owner>
- <summary>
- Records the time of the day in minutes when a snippets background fetch was
- initiated. Counts minutes since midnight UTC.
- </summary>
-</histogram>
-
-<histogram name="NewTabPage.Snippets.FetchTimeUTC" units="minutes"
- expires_after="M85">
- <obsolete>
- Removed in October 2020.
- </obsolete>
- <owner>freedjm@chromium.org</owner>
- <owner>feed@chromium.org</owner>
- <summary>
- Records the time of the day in minutes when a snippets background fetch was
- initiated. Counts minutes since midnight local time.
- </summary>
-</histogram>
-
<histogram name="NewTabPage.Snippets.IncompleteSnippetsAfterFetch"
enum="Boolean" expires_after="M85">
<owner>maybelle@chromium.org</owner>
@@ -1877,59 +1524,6 @@
</summary>
</histogram>
-<histogram name="NewTabPage.Snippets.NumArticles" units="articles"
- expires_after="M85">
- <obsolete>
- Removed in October 2020.
- </obsolete>
- <owner>freedjm@chromium.org</owner>
- <owner>feed@chromium.org</owner>
- <summary>
- Android: The number of snippet articles available to show on the NTP, logged
- once every time the list is updated.
- </summary>
-</histogram>
-
-<histogram name="NewTabPage.Snippets.NumArticlesFetched" units="articles"
- expires_after="M85">
- <obsolete>
- Removed in October 2020.
- </obsolete>
- <owner>freedjm@chromium.org</owner>
- <owner>feed@chromium.org</owner>
- <summary>
- Android: The number of valid snippet articles fetched from the server,
- logged every time a fetch finishes successfully.
- </summary>
-</histogram>
-
-<histogram name="NewTabPage.Snippets.NumArticlesZeroDueToDiscarded"
- units="articles" expires_after="M85">
- <obsolete>
- Removed in October 2020.
- </obsolete>
- <owner>freedjm@chromium.org</owner>
- <owner>feed@chromium.org</owner>
- <summary>
- Android: The number of snippet articles discarded by the user, logged every
- time the list is updated resulting in an empty list (all articles
- discarded).
- </summary>
-</histogram>
-
-<histogram name="NewTabPage.Snippets.NumIncompleteSnippets" units="snippets"
- expires_after="M85">
- <obsolete>
- Removed in October 2020.
- </obsolete>
- <owner>freedjm@chromium.org</owner>
- <owner>feed@chromium.org</owner>
- <summary>
- The number of snippets that we discard per fetch due to having incomplete
- data.
- </summary>
-</histogram>
-
<histogram name="NewTabPage.SuggestionsImpression" enum="MostVisitedTileIndex"
expires_after="2022-06-12">
<owner>tiborg@chromium.org</owner>
@@ -1941,71 +1535,6 @@
</summary>
</histogram>
-<histogram name="NewTabPage.SuggestionsImpressionAge" units="seconds"
- expires_after="2021-08-09">
- <obsolete>
- Removed 2021-07.
- </obsolete>
- <owner>tiborg@chromium.org</owner>
- <owner>yyushkina@chromium.org</owner>
- <owner>chrome-desktop-ntp@google.com</owner>
- <summary>
- The age of the data at impression time, that is, the elapsed time since the
- suggestion was generated by a ranking algorithm.
- </summary>
-</histogram>
-
-<histogram name="NewTabPage.TasksSurface.Lens.LensSupportStatus"
- enum="LensSupportStatus" expires_after="2021-11-18">
- <obsolete>
- Removed 2021-03. Switch to use NewTabPage.TasksSurface.LensSupportStatus.
- </obsolete>
- <owner>yusuyoutube@google.com</owner>
- <owner>benwgold@google.com</owner>
- <owner>fgorski@chromium.org</owner>
- <owner>wylieb@chromium.org</owner>
- <owner>lens-chrome@google.com</owner>
- <summary>
- Whether the user supports the camera assisted search with Google Lens and if
- not, the reason why. Recorded only if the feature is enabled when the Task
- Surface search box is loaded.
- </summary>
-</histogram>
-
-<histogram name="NewTabPage.TasksSurface.Lens.TimeSpentInLens" units="ms"
- expires_after="M94">
- <obsolete>
- Removed 2021-03. Switch to use
- NewTabPage.TasksSurface.TimeSpentBeforeDismissLens.
- </obsolete>
- <owner>yusuyoutube@google.com</owner>
- <owner>benwgold@google.com</owner>
- <owner>fgorski@chromium.org</owner>
- <owner>wylieb@chromium.org</owner>
- <owner>lens-chrome@google.com</owner>
- <summary>
- Logged the elapsed time between the time when user enters the Google Lens
- and the time when user returns to Chrome. Only logged on Android.
- </summary>
-</histogram>
-
-<histogram name="NewTabPage.TasksSurface.LensSupportStatus"
- enum="LensSupportStatus" expires_after="2021-11-18">
- <obsolete>
- Removed 2021-05. Switch to use Lens.Omnibox.LensSupportStatus.
- </obsolete>
- <owner>yusuyoutube@google.com</owner>
- <owner>benwgold@google.com</owner>
- <owner>fgorski@chromium.org</owner>
- <owner>wylieb@chromium.org</owner>
- <owner>lens-chrome@google.com</owner>
- <summary>
- Whether the user supports the camera assisted search with Google Lens and if
- not, the reason why. Recorded only if the feature is enabled when the Task
- Surface search box is loaded.
- </summary>
-</histogram>
-
<histogram name="NewTabPage.TasksSurface.TimeSpentBeforeDismissLens" units="ms"
expires_after="M97">
<owner>yusuyoutube@google.com</owner>