Fix reorder-init-list warning.

Bug: 999871
Change-Id: I7150887216de2fcb0245def70c60ca00bbfe9192
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1869219
Commit-Queue: Nico Weber <thakis@chromium.org>
Reviewed-by: Nico Weber <thakis@chromium.org>
Reviewed-by: Matthias Körber <koerber@google.com>
Cr-Original-Commit-Position: refs/heads/master@{#707855}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 2861f0a4c8c371dcc57ad76aa43a75d645b379da

config/compiler/BUILD.gn

@@ -1524,9 +1524,6 @@ config("default_warnings") {
           # also fires in only 4 files.
           "-Wno-c99-designator",
 
-          # This is a side effect of -Wc99-designator; easier to clean up.
-          "-Wno-reorder-init-list",
-
           # TODO(https://crbug.com/999886): Clean up, enable.
           "-Wno-final-dtor-non-final-class",