Bug 1630908 - Part 1: Pass OriginAttributes to be included with remote type, r=nika,marionette-reviewers

Differential Revision: https://phabricator.services.mozilla.com/D101073

browser/base/content/browser.js

@@ -3122,10 +3122,14 @@ async function BrowserViewSourceOfDocument(args) {
     // source in tab expects the new view source browser's remoteness to match
     // that of the original URL, so disable remoteness if necessary for this
     // URL.
+    var oa = E10SUtils.predictOriginAttributes({ window });
     preferredRemoteType = E10SUtils.getRemoteTypeForURI(
       args.URL,
       gMultiProcessBrowser,
-      gFissionBrowser
+      gFissionBrowser,
+      E10SUtils.DEFAULT_REMOTE_TYPE,
+      null,
+      oa
     );
   }