Bug 1265318 - webidl changes only, r=mrbkap

MozReview-Commit-ID: 2tY11A8mkov

dom/webidl/CSPDictionaries.webidl

@@ -28,6 +28,7 @@ dictionary CSP {
   sequence<DOMString> upgrade-insecure-requests;
   sequence<DOMString> child-src;
   sequence<DOMString> block-all-mixed-content;
+  sequence<DOMString> require-sri-for;
 };
 
 dictionary CSPPolicies {