Bug 1469427 - Add settings shortcuts to download protection. r=gcp

Files with this extension are used to create shortcuts to Windows setting
pages. This apparently allows invoking any binary file with any parameters.

MozReview-Commit-ID: 6WOEaVG7Lq5

--HG--
extra : rebase_source : 8c826f305634aa998fbefd855b355b3a89021db0

toolkit/components/reputationservice/ApplicationReputation.cpp

@@ -635,6 +635,7 @@ static const char* const kBinaryFileExtensions[] = {
     ".sct", // Windows shell
     ".search-ms", // Windows
     ".seplugin", // AppleScript
+    ".settingcontent-ms", // Windows settings
     ".sh", // Linux shell
     ".shar", // Linux shell
     ".shb", // Windows