This is a reland of commit d447f41294
This reland excludes the change to PRESUBMIT.py which originally
caused regression and because of which the original commit was
reverted.
Original change's description:
> Add AffectedFile.Extension() in presubmit_support
>
> Add convenience method AffectedFile.Extension() for extracting file
> extension in a standard way. Add a test for this new functionality.
> Add a similar test for AffectedFile.UnixLocalPath().
>
> Bug: None
> Change-Id: If591e751fb2e4fb5355ad0b6f93f310667849d68
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/6273341
> Commit-Queue: Anton Bershanskyi <bershanskyi@gmail.com>
> Reviewed-by: Dirk Pranke <dpranke@google.com>
> Reviewed-by: Gavin Mak <gavinmak@google.com>
Bug: None
Change-Id: Ie5fc551b9c0818dfd9a1c571cc247cc157dbc8b1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/6335512
Commit-Queue: Anton Bershanskyi <bershanskyi@gmail.com>
Reviewed-by: Gavin Mak <gavinmak@google.com>
Reviewed-by: Dirk Pranke <dpranke@google.com>
