TypeScriptify inject-core-styles.js
TypeScriptify inject-core-styles.js

R=993fcadce4d04090da2fefd557a0995e7966c8d5@chromium.org

Bug: 1011811
Change-Id: If1b463ad8e7535d223373ce8c435e3cb5f7bf08f
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/2540558
Auto-Submit: Paul Lewis <8915f5d5c39a08c5a3e8a8d7314756e4580816f9@chromium.org>
Commit-Queue: Jack Franklin <993fcadce4d04090da2fefd557a0995e7966c8d5@chromium.org>
Reviewed-by: Jack Franklin <993fcadce4d04090da2fefd557a0995e7966c8d5@chromium.org>

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