Enable TypeScript for TimelineModelFilter.js
Enable TypeScript for TimelineModelFilter.js

Bug: 1011811
Change-Id: Icca8989b707c076ccd9f08cd5b855a19232d6e43
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/2479122
Auto-Submit: Alex Rudenko <d8d88e7d7e77f69e23d1d1432231196fb8e02a62@chromium.org>
Reviewed-by: Simon Zünd <38944668e9e2ca98ccd0275b53370f90fa55c113@chromium.org>
Commit-Queue: Simon Zünd <38944668e9e2ca98ccd0275b53370f90fa55c113@chromium.org>

ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend,ChromeDevTools/devtools-frontend