juanmojica@google.com schechter@google.com stanfield@google.com lens-chrome-eng@google.com Records ambient search queries enumerated by the entry point used to make the query. This is recorded every time the user makes a query regardless of whether the query succeeds. gangwu@chromium.org chrome-mobile-search@google.com Time taken for deleting contents from the auxiliary search. gangwu@chromium.org chrome-mobile-search@google.com Records the count of failed deletions from the auxiliary search. gangwu@chromium.org chrome-mobile-search@google.com Records the status of the request of the Auxiliary Search content deletion. Recorded twice for every deletion request: once to capture the request sent, and once to capture the consumer's response. gangwu@chromium.org chrome-mobile-search@google.com Time taken for donating contents to the auxiliary search. gangwu@chromium.org chrome-mobile-search@google.com Records the count of failed donations from the auxiliary search. gangwu@chromium.org chrome-mobile-search@google.com Records the status of the request of the Auxiliary Search content donation. Recorded twice for every donation request: once to capture the request sent, and once to capture the consumer's response. gangwu@chromium.org chrome-mobile-search@google.com Records the count of contents which are sent to the auxiliary search. gangwu@chromium.org chrome-mobile-search@google.com Time taken for query contents for the auxiliary search. samarchehade@chromium.org chrome-waffle-eng@google.com Records that the search engine choice screen was displayed, and whether this happened as part of the FRE. Also records when the user clicks/taps the 'Set as Default' button and if this selection was in the FRE or not. On Desktop, if the choice screen is shown simultaneously in multiple browsers that all have the same profile, the display event is only recorded once. dgn@chromium.org muellerj@chromium.org chrome-waffle-eng@google.com Records the conditon state at page navigation for whether to display the search engine choice screen. This is recorded every time the eligibility state is being checked, which might be as often as every page navigation. The enum is shared with ChoiceScreenProfileInitConditions, and individual enum members might appear in only one histogram. dgn@chromium.org muellerj@chromium.org chrome-waffle-eng@google.com Records the conditon state at profile initialization for displaying the search engine choice screen that the profile is in. The enum is shared with ChoiceScreenNavigationConditions, and individual enum members might appear in only one histogram. donnd@chromium.org twellington@chromium.org chrome-analysis-team@google.com Records whether the user opened the panel when it was shown. Recorded for all gestures for all users when the UX is hidden. Implemented for Android. The user action Search.ContextualSearch.All.ResultsSeen.true is also logged in the case that true is logged to this histogram. This histogram is of special interest to the chrome-analysis-team@. Do not change its semantics or retire it without talking to them first. donnd@chromium.org contextual-search-eng@google.com related-searches-vteam@google.com Records that a Search Result page was shown in a bottom sheet for either Contextual Search or Related Searches. Each entry corresponds to exactly one search of the indicated kind. Related Searches are recorded when the SERP is shown to the user, and Contextual Searches are recorded when the panel is closed. Implemented for Android. donnd@chromium.org twellington@chromium.org The type of card returned in the Search Term Resolution Response from the server when a search is resolved in response to a Tap gesture that uses surrounding text to determine the best search. This characterises what we'll show in the Bar. Recorded when the panel is closed. Implemented for Android. donnd@chromium.org twellington@chromium.org The type of card shown in the Bar when the panel has been opened. Recorded when the panel is closed. Implemented for Android. donnd@chromium.org contextual-search-eng@google.com Records that a Search was done and whether the search was unintelligent or intelligent, and whether it was likely counted by Rasta. Recorded for all users when the panel is closed after being opened. Implemented for Android. donnd@chromium.org contextual-search-eng@google.com Records that a Contextual Search was initiated by the user, and whether that search should be counted as a real user-viewed search or not. The true bucket is designed to match what Rasta counts in its queries(event) metric as a real user search. The false bucket includes all the other cases where the Contextual Search was started but not counted by Rasta because the user has not been able to view the Search Result Page. Usually this is because the user did not expand the panel beyond the peeking state, but occasionally because it did not render. Recorded when the panel is closed for all users. Implemented for Android. donnd@chromium.org basiaz@google.com Network status codes recorded for each Contextual Search request after the url loader calls the completion callback. Recorded value is the absolute value of the received net::Error value. Removed 06/2022 donnd@chromium.org twellington@chromium.org Records the duration of persisted outcomes between the time they were stored and the time that they were sent back to the server. Recorded when persisted data is sent to the server. Implemented for Android. Removed 06/2022 donnd@chromium.org twellington@chromium.org Logs that the UX has entered a state where features are available to be recorded to Ranker. A value of true indicates that the available features include outcomes, false if they are just features at inference-time. Use to correlate with what actually gets recorded in the Search. ContextualSearch.Ranker.Recorded histogram. Recorded when a tap gesture is recognized that might trigger our UX (for pure features), and when the UX is actually shown (for outcomes). Implemented for Android. donnd@chromium.org charleszhao@chromium.org Tracks the outcome of attempts to download a Ranker Model. Removed 06/2022 donnd@chromium.org twellington@chromium.org Records whether the user opened the panel when a tap was not suppressed by Ranker. Recorded when the UX is hidden. Implemented for Android. Removed 06/2022 donnd@chromium.org twellington@chromium.org Logs that features were recorded to Ranker and whether it was an outcome or not. Recorded when the UX is shown or hidden. Implemented for Android. Removed 06/2022 donnd@chromium.org twellington@chromium.org Logs that features were recorded to Ranker from native code and whether it was an outcome or not. Recorded when the UX is shown or hidden. Implemented for Android. Removed 06/2022 donnd@chromium.org twellington@chromium.org Records Ranker's prediction about whether a tap should be suppressed or not. Recorded when the UX is hidden. Implemented for Android. charleszhao@chromium.org donnd@chromium.org Time taken for the Ranker Model Loader to download its model from the configured URL, in ms. charleszhao@chromium.org donnd@chromium.org Time taken for the Ranker Model Loader to parse its model, in ms. charleszhao@chromium.org donnd@chromium.org Time taken for the Ranker Model Loader to read its model from local storage (cache), in ms. charleszhao@chromium.org donnd@chromium.org Time taken for the Ranker Model Loader to write its model to local storage, in ms. Removed 06/2022 donnd@chromium.org twellington@chromium.org Records whether Ranker was able to make a prediction about tap suppression. Recorded when the UX is triggered by tap. Implemented for Android. Removed 06/2022 donnd@chromium.org twellington@chromium.org Records whether the user opened the panel when a tap would be suppressed by Ranker if suppression was enforced. Recorded when the UX is hidden. Implemented for Android. donnd@chromium.org twellington@chromium.org Records that a resolve response was received from the server, and whether that was due to a Tap gesture or not (vs longpress). Recorded when the user triggers the feature and the server responds. Implemented for Android. donnd@chromium.org twellington@chromium.org Records that a resolve request was sent to the server, and whether that was due to a Tap or not (vs longpress). Recorded when the user triggers the feature. Implemented for Android. donnd@chromium.org twellington@chromium.org Records that a resolve request from the server caused the selection to be expanded, and whether that original selection was due to a Tap or not (vs longpress). Recorded when the qualifying server response is received. Implemented for Android. donnd@chromium.org gangwu@chromium.org contextual-search-eng@google.com Records whether triggering the Touch To Search feature was suppressed due to the base page view being too small. This may happen in landscape mode, on very small phones, when a Partial Height Custom Tab is being displayed, or when muliwindow is in use with a small window. The intent is to capture in the log how many searches we lose when the gating Feature is enabled. Recorded when a gesture that would normally trigger TTS suppresses the bottom sheet from showing. Android only. donnd@chromium.org twellington@chromium.org Records whether the user opened the panel when it was shown in response to a tap gesture, for all users. Recorded when the UX is hidden. Implemented for Android. donnd@chromium.org twellington@chromium.org Records whether the user opened the panel when it was shown for sync-enabled users only (this is an approximation for the population that logs to UKM). Recorded for all gestures for users with sync enabled when the UX is hidden. Implemented for Android. Removed 08/2022 donnd@chromium.org contextual-search-eng@google.com Records that a translation is needed for the current Contextual Search, and whether the selection was originally created by a Tap gesture. This is recorded regardless of whether the user will actually be shown a translation or not. Recorded any time a selection is established or changed with the Contextual Search Translations feature enabled. Implemented for Android. Removed 01/2022 donnd@chromium.org contextual-search-eng@google.com Records whether an IPH promoting the Opt-in for the Translations experiment has ever been shown for the current user. Recorded when the Overlay Panel is closed. Implemented for Android. Removed 01/2022 donnd@chromium.org contextual-search-eng@google.com Records whether the user actually did Opt-in right after seeing the IPH for the Translations experiment. Recorded when the Overlay Panel is closed. Implemented for Android. donnd@chromium.org twellington@chromium.org Records the previous state of the user's enabled preference to indicate whether they were decided or undecided about fully enabling this feature. Recorded during the rollout of Unified Consent when the Contextual Search preference is changed. Implemented for Android. donnd@chromium.org twellington@chromium.org Records whether throttling for Unified Consent was done for all requests. Recorded when the user taps on text and the system would like the server to suggest what to search for using page context, regardless of feature-enabled state. Recorded multiple times for each request. Supports the rollout of Unified Consent for Contextual Search. Implemented for Android. donnd@chromium.org twellington@chromium.org Records whether this user had a request throttled or not when needed. Recorded when the user taps on text and the system would like the server to suggest what to search for using page context, and throttling is in effect for this user. Supports the rollout of Unified Consent for Contextual Search. Implemented for Android. donnd@chromium.org twellington@chromium.org Whether Contextual Cards data was shown in the Contextual Search Bar. Contextual Cards data is included with the search term resolution response. Implemented for Android. Removed 06/2022 donnd@chromium.org twellington@chromium.org The duration between the panel being triggered and the panel being dismissed due to a scroll when search results were not seen. Implemented for Android. Prior to M57 this was recorded on tap and longpress; on M57+ it is only recorded on tap. Removed 06/2022 donnd@chromium.org twellington@chromium.org The duration between the panel being triggered and the panel being dismissed due to a scroll when search results were seen. Implemented for Android. Prior to M57 this was recorded on tap and longpress; on M57+ it is only recorded on tap. Removed 06/2022 donnd@chromium.org twellington@chromium.org The time from initiating to ending a contextual search, when results were seen as part of the search. Implemented for Android. Removed 06/2022 donnd@chromium.org twellington@chromium.org The time from initiating to ending a contextual search, when results were not seen as part of the search and the search did not end with the beginning of another contextual search. Implemented for Android. Removed 06/2022 donnd@chromium.org twellington@chromium.org The time from initiating to ending a contextual search, when results were not seen as part of the search and the search ended with the beginning of another contextual search. Implemented for Android. Removed as of 05/2022 donnd@chromium.org twellington@chromium.org The details (previous state and reason) of the first entry into the closed panel state within a contextual search. Implemented for Android. Removed as of 05/2022 donnd@chromium.org twellington@chromium.org The details (previous state and reason) of the first entry into the expanded panel state within a contextual search. Implemented for Android. Removed as of 05/2022 donnd@chromium.org twellington@chromium.org The details (previous state and reason) of the first entry into the maximized panel state within a contextual search. Implemented for Android. Removed as of 05/2022 donnd@chromium.org twellington@chromium.org The details (previous state and reason) of the first entry into the peeked panel state within a contextual search. Implemented for Android. Removed as of 05/2022 donnd@chromium.org twellington@chromium.org Whether search results were seen as part of a Contextual Search when a tap was on a word that we think is an entity. Recorded when Contextual Search is dismissed. Implemented for Android. Removed as of 05/2022 donnd@chromium.org twellington@chromium.org The details (destination state and reason) of the first exit out of the closed panel state within a contextual search. Implemented for Android. Removed as of 05/2022 donnd@chromium.org twellington@chromium.org The details (destination state and reason) of the first exit out of the expanded panel state within a contextual search. Implemented for Android. Removed as of 05/2022 donnd@chromium.org twellington@chromium.org The details (destination state and reason) of the first exit out of the maximized panel state within a contextual search. Implemented for Android. Removed as of 05/2022 donnd@chromium.org twellington@chromium.org The details (destination state and reason) of the first exit out of the peeked panel state within a contextual search. Implemented for Android. Removed 06/2022 donnd@chromium.org twellington@chromium.org The status of the Contextual Search fallback Search request. Implemented for Android. Removed 06/2022 donnd@chromium.org twellington@chromium.org Whether the first run flow's panel was seen as part of a contextual search. Only logged when the user triggered the first run flow yet exited the search still in the undecided preference state. Implemented for Android. donnd@chromium.org mahmoudi@chromium.org twellington@chromium.org The number of times the Contextual Search panel is opened, categorized by whether In-Product Help for Contextual Search was shown before. Logged when the panel is opened. Implemented for Android. Removed 06/2022 donnd@chromium.org twellington@chromium.org The time from starting a literal search until the results in the SERP start to become viewable. Applies only to prefetched requests. Implemented for Android. Removed 06/2022 donnd@chromium.org twellington@chromium.org The status of the Contextual Search low priority Search request. Implemented for Android. Removed 06/2022 donnd@chromium.org twellington@chromium.org The status of the Contextual Search normal priority Search request. Implemented for Android. Removed 08/2022 donnd@chromium.org contextual-search-eng@google.com The time from opening the panel beyond peek until the panel is closed. Implemented for Android. donnd@chromium.org mahmoudi@chromium.org twellington@chromium.org The number of times the Contextual Search panel is opened, categorized by whether In-Product Help for opening the panel was shown before. Logged when the panel is opened. Implemented for Android. donnd@chromium.org twellington@chromium.org The state of the Contextual Search Preference. Can be logged multiple times. Used to determine the population size (user view). Logged whenever the Chrome application is paused. Implemented for Android. donnd@chromium.org twellington@chromium.org The Contextual Search preference state after a modification from the preference menu. Implemented for Android. donnd@chromium.org contextual-search-eng@google.com The Contextual Search privacy opt-in preference state after a modification from the preference menu. Recorded when the opt-in switch in Settings page is toggled. Implemented for Android. donnd@chromium.org contextual-search-eng@google.com The user's choice in the Contextual Search promo card. Recorded when the 'No thanks' or 'Turn on' button on the Contextual Search Promo Card is chosen. Implemented for Android. Removed as of 05/2022 donnd@chromium.org twellington@chromium.org The total count of times that the bar with the promo has been opened. Once the user decides, this counter is no longer updated. gangwu@chromium.org contextual-search-eng@chromium.org The total count of times that the revised promo has been shown. Once the user decides, this counter is no longer updated. Logged for each show of the promo card. Implemented for Android. Removed as of 08/2022 donnd@chromium.org twellington@chromium.org Whether the promo was seen, broken down by original triggering gesture. Logged each time the promo was activated. Implemented for Android. Removed as of 06/2022 donnd@chromium.org twellington@chromium.org The historic number of taps that showed a peeking bar with the opt-out promo before the first time the user opened the panel. Removed as of 06/2022 donnd@chromium.org twellington@chromium.org The historic number of taps that showed a peeking bar with the opt-out promo for users who have never opened the panel. This count may be limited by the Finch config param promo_on_limited_taps. Removed as of 06/2022 donnd@chromium.org twellington@chromium.org The number of remaining taps that can trigger the promo for this user. Implemented for Android. donnd@chromium.org twellington@chromium.org The category of quick actions shown in the Contextual Search bar. Recorded when the quick action is set. Implemented for Android. donnd@chromium.org twellington@chromium.org Whether a quick action in the Contextual Search bar was clicked, which activates the associated intent. Recorded when Contextual Search is dismissed due to a click on a QuickAction in the Bar. Implemented for Android. donnd@chromium.org twellington@chromium.org Whether a Contextual Search quick action intent resolved to zero, one, or many apps. Recorded when the quick action intent URI is resolved. Implemented for Android. donnd@chromium.org twellington@chromium.org Whether search results were seen as part of a Contextual Search when a quick action was shown. Recorded when Contextual Search is dismissed. Implemented for Android. Removed as of 06/2022 donnd@chromium.org twellington@chromium.org Whether a quick action was shown in the Contextual Search bar. Recorded when the quick action is set. Implemented for Android. Removed as of 05/2022 donnd@chromium.org twellington@chromium.org Whether a Quick Answer was activated, considered an answer, and seen. Implemented for Android. Removed as of 05/2022 donnd@chromium.org twellington@chromium.org Whether showing the Tap to Search UX in response to a Tap was suppressed by a recent scroll. Implemented for Android. Removed as of 06/2022 donnd@chromium.org twellington@chromium.org The time from starting a resolving search until the Search Term Resolves. Implemented for Android. Removed as of 06/2022 donnd@chromium.org twellington@chromium.org The time from starting a resolving search until the results in the SERP start to become viewable. Applies only to prefetched requests. Implemented for Android. donnd@chromium.org twellington@chromium.org Whether search results were seen as part of a contextual search. Implemented for Android. donnd@chromium.org twellington@chromium.org Whether search results were seen, broken down by original triggering gesture. Only includes users that have enabled. Implemented for Android. Removed as of 05/2022 donnd@chromium.org twellington@chromium.org Whether Taps near the top of the screen was suppressed. Implemented for Android. Removed as of 01/2022 donnd@chromium.org twellington@chromium.org Whether results were seen for a second tap that was allowed to override ML Tap Suppression. Recorded when the UX is hidden. Implemented for Android. Removed as of 06/2022 donnd@chromium.org twellington@chromium.org The length of the triggering selection when search results were not seen. Only logged when contextual search is triggered due to a tap. Implemented for Android. Removed as of 06/2022 donnd@chromium.org twellington@chromium.org The length of the triggering selection when search results were seen. Only logged when contextual search is triggered due to a tap. Implemented for Android. Removed as of 06/2022 donnd@chromium.org twellington@chromium.org Whether a Tap was suppressed because the selection length was less than the minimum selection length. Implemented for Android. Removed as of 06/2022 donnd@chromium.org twellington@chromium.org Whether a Contextual Search selection was valid. Implemented for Android. Removed as of 05/2022 donnd@chromium.org twellington@chromium.org The duration of a tap that triggered a Contextual Search when the user does not open the panel. Implemented for Android. Logged when the panel closes after being triggered by a tap. Removed as of 05/2022 donnd@chromium.org twellington@chromium.org The duration of a tap that triggered a Contextual Search when the user does open the panel. Implemented for Android. Logged when the panel closes after being triggered by a tap and subsequently opened. donnd@chromium.org mahmoudi@chromium.org twellington@chromium.org The number of times the Contextual Search is triggered by tapping, categorized by whether In-Product Help for tapping was shown before. Logged when Contextual Search is triggered by tapping. Implemented for Android. Removed as of 05/2022 donnd@chromium.org twellington@chromium.org Whether results were seen for a Tap that was of long duration. Recorded when the UX is hidden. Implemented for Android. Removed as of 05/2022 donnd@chromium.org twellington@chromium.org Whether results were seen for a Tap that was of short duration. Recorded when the UX is hidden. Implemented for Android. Removed as of 05/2022 donnd@chromium.org twellington@chromium.org The count of taps that showed a peeking bar without the opt-out promo since this user has last opened the panel. Removed as of 05/2022 donnd@chromium.org twellington@chromium.org The count of taps that showed a peeking bar with the opt-out promo since this user has last opened the panel. Removed as of 06/2022 donnd@chromium.org twellington@chromium.org Whether results were seen for a Tap and whether any suppression heuristic was satisifed. Recorded when the UX is still shown (suppression not enabled, only logged). Implemented for Android. Removed as of 06/2022 donnd@chromium.org twellington@chromium.org The time between tapping on a word and performing a search. Implemented for Android. Removed as of 05/2022 donnd@chromium.org twellington@chromium.org The DPs count histogram for Taps that were not seen. Implemented for Android. Removed as of 05/2022 donnd@chromium.org twellington@chromium.org The DPs count histogram for Taps that were seen. Implemented for Android. donnd@chromium.org twellington@chromium.org For each contextual search that is triggered by tap, records whether the translation conditions are met. Implemented for Android. Logged on profile open, including for profiles that do not allow the user to search such as "system" profiles. When logged in such cases, reported the default value. Replaced in M-108 with the histogram Search.DefaultSearchProviderType2, which is similar but not emitted on for some of those unusual/inappropriate profiles. mpearson@chromium.org csharp@chromium.org The type of the default search engine that is loaded when a profile is opened or after a profile reset. Due to an error, there was a period from roughly May 9 2014 to May 23 2014 during which this was not being logged. mpearson@chromium.org ftirelo@chromium.org The type of the default search engine that is loaded when a regular, guest, or ChromeOS sign-in screen profile is opened or after a profile reset. (A profile reset can only happen to a regular profile.) Not logged when an Incognito profile is opened because that inherits the settings from its parent profile. As such, it's not necessary to log the Incognito profile's settings. The fact that this is logged when the ChromeOS sign-on screen profile is opened means this is recorded when the ChromeOS sign-in screen is initially shown. The value recorded is the default value for the ChromeOS install; the default search engine used in this profile cannot be changed. Also note that people cannot search / browse the web using this profile. As such, the default search engine setting for this profile does not have any practical meaning. {Population} lizeb@chromium.org On Android, when GSA tells Chrome about an account change, what is the notification mechanism used, which is either the service connection, or a broadcast. Recorded once per account change. lizeb@chromium.org On Android, whether GSA tells Chrome about account changes through the service or through a broadcast. This is reported at most once per Chrome startup. wychen@chromium.org yusufo@chromium.org The number of entries in the usage report level DB for Icing. This is measured on cold start. donnd@chromium.org Records the reason why a context report to Icing failed, every time Chrome attemps to record the current context (tab switching, navigations, etc). Also records reasons why context reporting might be disabled. Recorded on Android only. juanmojica@google.com schechter@google.com stanfield@google.com lens-chrome-eng@google.com Records all intents fired to open the Lens viewfinder enumerated by entry point, regardless of whether the intent was successful. juanmojica@google.com schechter@google.com stanfield@google.com hujasonx@google.com lens-chrome-eng@google.com Records camera results such as successful image capture, user exited, etc. This is recorded every time the user opens the Lens viewfinder camera. sczs@chromium.org gambard@chromium.org When an iOS user changes the default search engine in chrome Settings, records the search engine's type. hujasonx@google.com lens-chrome-eng@google.com When the user performs a Lens search on Desktop, records the time elapsed from when a Lens Ping was sent and the response was received. Recorded if enable-lens-ping and ping-lens-sequentially are both true. If the ping was never received, or was an unexpected type, such as a non 204 response code, this event will not be logged. mercerd@google.com lens-chrome-eng@google.com When the user performs a Lens search on Desktop, records if the viewport dimensions of the side panel were included in the request. A false value indicates either the viewport width or height were not included in the request. A true value is recorded if and only if both the `vpw` and `vph` url params were added to the request with non-zero values. yusufo@chromium.org The entry point used for all searches performed under partnership after the Android search engine promo dialog was shown. This is a dialog prompting the user to pick a default search engine. This metric is collected for every search query performed. shaktisahu@chromium.org chrome-upboarding-eng@google.com Indicates whether or not a bitmap could be shown for a tile. shaktisahu@chromium.org chrome-upboarding-eng@google.com Records the time taken to fetch a bitmap for a tile when a bitmap could be found. It includes the time starting from the UI layer requesting the backend till the backend returns the associated bitmap. qinmin@chromium.org chrome-upboarding-eng@google.com Records duration from time when first task scheduled to time the fetch task completed. qinmin@chromium.org chrome-upboarding-eng@google.com Records the hour (0-23) when the TileFetcher task starts. qinmin@chromium.org chrome-upboarding-eng@google.com Records the HTTP response code get from TileFetcher. qinmin@chromium.org chrome-upboarding-eng@google.com Records the net error code get from TileFetcher. qinmin@chromium.org chrome-upboarding-eng@google.com Records the reasons caused the tile group pruned in TileManager. qinmin@chromium.org chrome-upboarding-eng@google.com Records the TileManager status after initialized and loaded completed. qinmin@chromium.org chrome-upboarding-eng@google.com Records the image preloading events when the query tile images are fetched from the background task. shaktisahu@chromium.org chrome-upboarding-eng@google.com Records the time taken by the bitmap request for a tile when no bitmap could be found. It includes the time starting from the UI layer requesting the backend till the backend returns the associated bitmap. qinmin@chromium.org chrome-upboarding-eng@google.com Records the TileFetcher status after request send to server and response received. haileywang@chromium.org ssid@chromium.org Records the result from segmentation platform that determines whether or not to show Query Tiles on NTP. When segmentation model is finch enabled, this is recorded every time the user navigates to NTP and the current Query Tiles decision is inexistant or expired. For cases where segmentation model is not finch enabled see ShowQueryTilesSegmentationResultComparison. haileywang@chromium.org ssid@chromium.org Records the comparison of result from segmentation model and code logic for when to show Query Tiles on NTP. When segmentation model is not finch enabled, this is recorded every time the user navigates to NTP and the current Query Tiles decision is inexistant or expired. For cases where segmentation model is finch enabled see ShowQueryTilesSegmentationResult. shaktisahu@chromium.org chrome-upboarding-eng@google.com Records the index of the tile that was clicked. The index refers to the position of the tile in the carousel. shaktisahu@chromium.org chrome-upboarding-eng@google.com Indicates whether the tile clicked was a top level tile. shaktisahu@chromium.org chrome-upboarding-eng@google.com Indicates the number of tiles displayed in the UI after the backend was loaded. qinmin@chromium.org chrome-upboarding-eng@google.com Records events related to trending tiles, including display, removal and click, after the events occur. juanmojica@google.com benwgold@google.com stanfield@google.com lens-chrome-eng@google.com Records an enum representing the aspect ratio of the region selected after using the Lens Region Search feature. juanmojica@google.com benwgold@google.com stanfield@google.com lens-chrome-eng@google.com Records a percentage to represent the proportion of the selected region to the screen after selecting a region with the Lens Region Search feature. juanmojica@google.com benwgold@google.com stanfield@google.com lens-chrome-eng@google.com Records an enum representing the result of the capture of the region for Lens Region Search feature. donnd@chromium.org related-searches-vteam@google.com Enumerates all users by the permissions needed in order to use the Related Searches feature. This tells us the potential user pool if we were to remove one of the current requirements (which are sending page content and sending the URL to Google). Logged whenever the Chrome application is paused. NOTE: Use the Count unique clients option to count users since multiple events are logged for each user. Implemented for Android. donnd@chromium.org gangwu@chromium.org related-searches-vteam@google.com The last visible position index for a chip in the carousel. the index is 0 based. Ex. There are 10 chips, and only 2 chips are shown completely, and 1 chip is shown half, in this case, 2 will be reported. Recorded every time the carousel is shown, or the carousel content is updated. Implemented for Android. donnd@chromium.org gangwu@chromium.org related-searches-vteam@google.com Records whether and how the user interacted with the carousel. Recorded when the presentation UI is dismissed while the carousel is shown. Implemented for Android. donnd@chromium.org gangwu@chromium.org related-searches-vteam@google.com Records whether the user scrolled the carousel when it was shown, this can help us to find users who discover carousel scroll gesture. Recorded when the presentation UI is dismissed while the carousel is shown. Implemented for Android. donnd@chromium.org related-searches-vteam@google.com Records the click through rate for Related Searches. This is the rate that at least one suggestion was chosen by the user when any were shown. Records false whenever Related Searches suggestions were shown to the user but none were selected, and true whenever the user has clicked on any suggestion to view the suggested query. Only records one entry per botton-sheet session. Recorded when the presentation UI is dismissed. Implemented for Android. donnd@chromium.org related-searches-vteam@google.com The number of suggestions that were chosen by the user in a bottom-sheet session when the user chose any Related Searches. Written when the suggestions UI is closed. Implemented for Android. donnd@chromium.org related-searches-vteam@google.com Records true for every user that is qualified for the Related Searches experiment regardless of whether that feature is enabled or not. Never logs false. Used to validate that population sizes are relatively equal (since only a subset is actually qualified). Logged whenever a user triggers Contextual Search in way that could activate Related Searches (i.e. sends context). NOTE: Use the Count unique clients option to count users since multiple events are logged for each user. Implemented for Android. donnd@chromium.org related-searches-vteam@google.com The display position index for a chip in the carousel when it was selected by the user. Written when a Related Searches suggestion chip is clicked. Implemented for Android. donnd@chromium.org related-searches-vteam@google.com The display position index for a suggestion when it was selected by the user. The suggestion at location 0 is always the default selection search, which may not be a possible position in some implementations. All indecies from 1 on are true Related Searches suggestions. Written when a Related Searches suggestion in the UI is selected. Implemented for Android. yusufo@chromium.org The search engines listed in the options for search engine promo. This is an Android specific dialog prompting the user to pick a default search engine. The dialog was shown on a device that had Chrome before it was first introduced. yusufo@chromium.org The search engine selected by the user from the search engine promo. This is an Android specific dialog prompting the user to pick a default search engine. The dialog was shown on a device that had Chrome before it was first introduced. yusufo@chromium.org The current state for search widget use and whether the device is a partnership device related with the Android Search Widget. Collected on every cold start. Expired and removed 05/2023. tommycli@chromium.org chrome-omnibox-team@google.com Records when TemplateURL encounters specific events, particularly during Sync or startup. There's a bunch of edge cases being handled by complicated code within TemplateURLService, and we'd like to learn how often they actually occur in the wild. mmourgos@chromium.org newcomer@chromium.org Time between showing and hiding the answer card. newcomer@chromium.org Time between sending an answer server request and the end of loading of the answer card. Failed requests and requests not returning an answer are not counted. newcomer@chromium.org Time between sending an answer server request and successful finish of navigation. Failed requests and requests not returning an answer are not counted. newcomer@chromium.org Result of a answer server request. newcomer@chromium.org Time between successfully loading an answer card request and updating its preferred size. There might be no or more than one size update per card load. Size updates that happen before the card finishes loading are ignored since they are not visible.