Bug 1277698, r=bz

MozReview-Commit-ID: JH5QUu357gc

--HG--
extra : rebase_source : 3394613dbaf1b49bf9dc16086d0bd0ae870d89b9

browser/components/feeds/FeedConverter.js

@@ -491,7 +491,9 @@ GenericProtocolHandler.prototype = {
   },
 
   get protocolFlags() {
-    return this._http.protocolFlags;
+    let {URI_DANGEROUS_TO_LOAD, ALLOWS_PROXY_HTTP, ALLOWS_PROXY} =
+      Ci.nsIProtocolHandler;
+    return URI_DANGEROUS_TO_LOAD | ALLOWS_PROXY | ALLOWS_PROXY_HTTP;
   },
 
   get defaultPort() {