Bug 1254299 - Remove SEC_NORMAL from extensions/. r=sicking

MozReview-Commit-ID: B4NX6ImKR4n

extensions/cookie/test/unit/test_cookies_privatebrowsing.js

@@ -18,16 +18,8 @@ function finish_test() {
 }
 
 function make_channel(url) {
-  var ios = Cc["@mozilla.org/network/io-service;1"].getService(Ci.nsIIOService);
-  var chan = ios.newChannel2(url,
-                             null,
-                             null,
-                             null,      // aLoadingNode
-                             Services.scriptSecurityManager.getSystemPrincipal(),
-                             null,      // aTriggeringPrincipal
-                             Ci.nsILoadInfo.SEC_NORMAL,
-                             Ci.nsIContentPolicy.TYPE_OTHER).QueryInterface(Ci.nsIHttpChannel);
-  return chan;
+  return NetUtil.newChannel({uri: url, loadUsingSystemPrincipal: true})
+                .QueryInterface(Ci.nsIHttpChannel);
 }
 
 function do_run_test() {