https://bugzilla.mozilla.org/show_bug.cgi?id=1393201
1393201 - Signed/Unsigned comparison warning in uriloader/exthandler/win/nsMIMEInfoWin.cpp - Find...
RESOLVED (tom) in Firefox - File Handling. Last updated 2017-08-28.
https://bugzilla.mozilla.org/show_bug.cgi?id=1061000
1061000 - Fix more bad implicit constructors in uriloader
RESOLVED (ehsan.akhgari) in Core - General. Last updated 2014-12-11.
fixbadimplicitconstructors