Update reference doc page for GN.

R=brettw@chromium.org

Review URL: https://codereview.chromium.org/1327733003

Cr-Original-Commit-Position: refs/heads/master@{#347459}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 3473904f7c2ee133a84b6820074270996be9ec46
1 file changed
tree: e88aba1c3034809e2df686b0d0996b5b684d90d1
  1. tools/