This is drop-in replacements of std::ifstream and std::ofstream, but supports
widechar filenames on Windows. This is just an alias of std::ofstream on other
platforms.
MozReview-Commit-ID: FHNatG5595k
--HG--
extra : rebase_source : 0805153dd13907a6c3b6971bfc0b499a31416b9a
extra : intermediate-source : 3113df1e69bf7444105953df8610b8bbf5d4d41e
extra : source : 750263b126963d2634a89de0a2aac63efa4b49e6