Web Inspector: TabbedEditorContainer does not restore last shown file on reload sometimes.
https://bugs.webkit.org/show_bug.cgi?id=112561

Reviewed by Alexander Pavlov.

* inspector/front-end/TabbedEditorContainer.js:
(WebInspector.TabbedEditorContainer.prototype.addUISourceCode):


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@146062 268f45cc-cd09-0410-ab3c-d52691b4dbfc