tree 661bfd1f1a313e29fba2b05b1fcaeafcfc070c12
parent ad9e442d92dcd9ee73a557428cfc336b55cbd533
author Brett Wilson <brettw@chromium.org> 1568070778 -0700
committer Commit Bot <commit-bot@chromium.org> 1568072504 +0000

Convert typedef to using.

Remove unused char_traits.h

There should be no behavior change.

Change-Id: I6085c03f5140e46c6f1f2d1c2974cdacfa532133
Reviewed-on: https://gn-review.googlesource.com/c/gn/+/6080
Reviewed-by: Scott Graham <scottmg@chromium.org>
Commit-Queue: Brett Wilson <brettw@chromium.org>