Bug 1477724 - 'Move To New Window' moves now contextTab instead of selectedTab in single tab context. r=jaws

MozReview-Commit-ID: 2c5QFuSO6kU

--HG--
extra : rebase_source : ef1c0a1b113c8684ee43726995598aedcf3d64a9

browser/base/content/tabbrowser.js

@@ -3422,7 +3422,7 @@ window._gBrowser = {
     if (contextTab.multiselected) {
       tabs = this.selectedTabs;
     } else {
-      tabs = [gBrowser.selectedTab];
+      tabs = [contextTab];
     }
 
     if (this.tabs.length == tabs.length) {