commit 2dbbf5c8fc879a6d91009ac38499ac9e3247a574
author dpranke <dpranke@chromium.org> Fri Oct 07 14:44:48 2016 -0700
committer Commit bot <commit-bot@chromium.org> Fri Oct 07 21:46:52 2016 +0000
tree 9c0053619caf1da080e06478e7e0e11fc9db08b5
parent be874929c85852359c0e3f5e585e79ef797479ba

Update GN documentation.

This CL updates the main GN page to reflect that the migration is
basically done, and also adds documentation for the magic
top-level "//:default" target (which we don't actually use in Chromium).

R=brettw@chromium.org, kjellander@chromium.org

Review-Url: https://codereview.chromium.org/2407523002
Cr-Original-Commit-Position: refs/heads/master@{#423973}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: e5e5a9dd1ca6b2d16db5ca08031ccade0654504f