For MVT Reselect: The degree of match between the "key" URL from a suggestion and the best "candidate" URL chosen from TabList.

These values are defined in LogoDownloadOutcome enum in components/search_provider_logos/logo_service_impl.h.

The type of background for the New Tab Page.

Calendar module user actions

Hash values for the IDs of NTP background image collections. Each of these values is computed by casting the output of base::PersistentHash(collection_id) to base::HistogramBase::Sample.

Geometric shapes Native American Artists Collection Gradients Landscapes LGBTQ Artists Collection AAPI Artists Art Earth Art for NTP Abstract for NTP Architectures Patterns Geometric shapes for NTP Material Texture For NTP Illustrations Life Colors Unknown collection ID Satellite for NTP Textures Black Artists Collection Cityscapes City for NTP Landscapes Earth Latino Artists Collection Seascapes Landscapes for NTP Rising Artists Collection Colors for NTP

Click actions on the NTP theme tip bottom sheet.

Hash values for the IDs of NTP modules. Each of these values is computed by casting the output of base::PersistentHash(module_id) to base::HistogramBase::Sample.

Reason for skipping the auto-removal of shortcuts on the NTP.

User actions on the threads rail.

The source where the displayed title of an NTP tile originates from.

The title might be invalid, aggregated, user-set, extracted from history, not loaded or simply not known. The site's manifest contained a usable "(short_)name" attribute. The site provided a meta tag (e.g. OpenGraph's site_name). The site's title is used as tile title, extracted from the title tag. The title was inferred from multiple signals (e.g. meta tags, url, title).

The visual type of a most visited tile on the new tab page.

The icon or thumbnail hasn't loaded yet. The item displays a site's actual favicon or touch icon. The item displays a color derived from the site's favicon or touch icon. The item displays a default gray box in place of an icon. Deprecated: The item displays a locally-captured thumbnail of the site content. Deprecated: The item displays a server-provided thumbnail of the site content. Deprecated: The item displays a default graphic in place of a thumbnail. The item displays a thumbnail of the page. Removed 9/2019. The item displays a default gray box in place of a thumbnail. Removed 9/2019.

This enum denotes the type of app on the deleted ntp_tile as part of bug fix for crbug.com/1250463