Differentiate Chromium restricted URLs (where extensions cannot operate).

src/lib/restricted.js

@@ -1,6 +1,6 @@
 {
   // see https://bugzilla.mozilla.org/show_bug.cgi?id=1415644
-  let domains = [
+  let domains = UA.isMozilla ? [
     "accounts-static.cdn.mozilla.net",
     "accounts.firefox.com",
     "addons.cdn.mozilla.net",
@@ -16,7 +16,7 @@
     "support.mozilla.org",
     "sync.services.mozilla.com",
     "testpilot.firefox.com",
-  ];
+  ] : [ "chrome.google.com" ];
 
   function isRestrictedURL(u) {
     try {