1] Component Name: UI>Browser>Omnibox>TabToSearch

2] Parent Component (e.g. Blink, UI>Browser, etc...): UI>Browser>Omnibox

3] Description of Component: Custom search engines, omnibox extensions, etc. (including adding, triggering, ranking, etc. for them)

Admin, please use your judgment about whether the parenthetical remark is useful or not useful, and how it affects the intended length of a description.  Feel free to omit it if you think it's best to do so.

4] Admin/ Owner: mpearson

5] Please specify what triage practices will be followed for the component
(i.e. what team will do it and how frequently).

The omnibox team will do it.  Our current omnibox triage doc will have us triaging this component every other day (excluding weekends).