create update_upstream.py for forward to newer version or delete old files. BUG=b:180558819 TEST=./update_upstream.py cros/upstream chromium-tot --delete TEST=./update_upstream.py cros/upstream chromium-tot --forward Change-Id: I045a7d8d2567af562b75cd9cbc728db6983fe108 Reviewed-on: https://chromium-review.googlesource.com/c/aosp/platform/external/libchrome/+/2821423 Commit-Queue: Qijiang Fan <fqj@google.com> Tested-by: Qijiang Fan <fqj@google.com> Reviewed-by: Hidehiko Abe <hidehiko@chromium.org>
This directory includes the source from Chrome's libbase for use in Chrome OS.
See libchrome.md for more info.