Roll DevTools Frontend from 9cecd7b60ead to 89a7ef9f2dd9 (6 revisions)

https://chromium.googlesource.com/devtools/devtools-frontend.git/+log/9cecd7b60ead..89a7ef9f2dd9

2020-10-02 jobay@google.com Typecheck quick_open/QuickInput.js with TypeScript
2020-10-02 changhaohan@chromium.org TypeScriptify elements/ElementsTreeElement.js
2020-10-02 wolfi@chromium.org Fix double scrollbar when using huge fonts
2020-10-02 alexrudenko@chromium.org Fix heap snapshot saving
2020-10-02 tvanderlippe@chromium.org Typecheck sources/CSSPlugin.js with TypeScript
2020-10-02 alexrudenko@chromium.org Reland "Convert inspector_overlay to TypeScript"

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/devtools-frontend-chromium
Please CC devtools-waterfall-sheriff-onduty@grotations.appspotmail.com on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/master/autoroll/README.md

Bug: chromium:1011811,chromium:1093296,chromium:1131801
Tbr: devtools-waterfall-sheriff-onduty@grotations.appspotmail.com
Change-Id: I619ad048c52fa23f4937e2f1fd466581315525fe
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2445065Reviewed-by: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#813153}

DEPS

@@ -266,7 +266,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling devtools-frontend
   # and whatever else without interference from each other.
-  'devtools_frontend_revision': '9cecd7b60ead24d229aee9895e4e3a521191e790',
+  'devtools_frontend_revision': '89a7ef9f2dd9f70c77335e6c68c2977fd11b99d9',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling libprotobuf-mutator
   # and whatever else without interference from each other.