stuartmorgan 7fb266e910 Fix and consolidate wstring conversion utils (flutter/engine#16342)
There were two variants of string/wstring conversion utils, one using
codecvt_utf8 and the other using codecvt_utf8_utf16. We want the latter,
since we want to be using UTF-16, not UCS2.
2020-02-04 13:33:07 -08:00
..