Typecheck ui/Fragment.js with TypeScript
Typecheck ui/Fragment.js with TypeScript

R=8915f5d5c39a08c5a3e8a8d7314756e4580816f9@chromium.org
CC=1cf0af8245a3a17a632a2c73531392b0f9761c76@chromium.org

Bug: 1011811
Change-Id: I2047be3c133789805d3ff718f5adbb7f2597848b
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/2388381
Commit-Queue: Tim van der Lippe <dba8716ee7f8d16236046f74d2167cb94410f6ed@chromium.org>
Auto-Submit: Tim van der Lippe <dba8716ee7f8d16236046f74d2167cb94410f6ed@chromium.org>
Reviewed-by: Yang Guo <1cf0af8245a3a17a632a2c73531392b0f9761c76@chromium.org>
Reviewed-by: Paul Lewis <8915f5d5c39a08c5a3e8a8d7314756e4580816f9@chromium.org>

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