Web Inspector: Fix front-end compilation

Web Inspector: Fix front-end compilation
https://bugs.webkit.org/show_bug.cgi?id=111286

Reviewed by Alexander Pavlov.

* inspector/InjectedScriptSource.js:
* inspector/front-end/FileSystemProjectDelegate.js:
* inspector/front-end/NavigatorView.js:
(WebInspector.NavigatorView.prototype.removeUISourceCode):
(WebInspector.NavigatorTreeNode.prototype.reset):
(WebInspector.NavigatorFolderTreeNode.prototype.didAddChild):

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@144603 268f45cc-cd09-0410-ab3c-d52691b4dbfc