GitLab

This allows to simplify Write methods in NativeFileSystemFileHandleImpl.

Bug: 957214
Change-Id: I4e1ba58a7f904ebe5f60d355f20cdd6c5cb497bb
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1645782Reviewed-by: Marijn Kruisselbrink <mek@chromium.org>
Commit-Queue: Eero Häkkinen <eero.hakkinen@intel.com>
Cr-Commit-Position: refs/heads/master@{#666624}