Web Inspector: Pressing esc after requesting snippet creation should remove snippet.

Web Inspector: Pressing esc after requesting snippet creation should remove snippet.
https://bugs.webkit.org/show_bug.cgi?id=86639

Reviewed by Pavel Feldman.

Added committed parameter to NavigatorView.rename() callback.

* inspector/front-end/NavigatorView.js:
(WebInspector.NavigatorView.prototype.rename.commitHandler):
(WebInspector.NavigatorView.prototype.rename.cancelHandler):
(WebInspector.NavigatorView.prototype.rename.afterEditing):
* inspector/front-end/ScriptsNavigator.js:
* inspector/front-end/ScriptsPanel.js:
(WebInspector.ScriptsPanel.prototype._snippetCreationRequested.callback):
(WebInspector.ScriptsPanel.prototype._snippetCreationRequested):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@117306 268f45cc-cd09-0410-ab3c-d52691b4dbfc