gn format //third_party

Uses gn binary at head.

No intended functionality change.

R=brettw@chromium.org
TBR=scherkus@chromium.org
BUG=348474

Review URL: https://codereview.chromium.org/779473002

Cr-Original-Commit-Position: refs/heads/master@{#306567}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 1c240d2719e764ed0108aa59ba35a6d99c00491a
1 file changed