Web Inspector: Always show the Local and Session Storage Views.
        
Reviewed by Timothy Hatcher.

Even if the length of the DOM Storage entry array is 0, still
generate the Datagrid because users can add things storage items
through the UI, so we should allow them to even if there isn't
anything there currently.

* English.lproj/localizedStrings.js: Removed "This Storage is Empty".
* inspector/front-end/DOMStorageItemsView.js:
(WebInspector.DOMStorageItemsView.prototype._showDOMStorageEntries):



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@50287 268f45cc-cd09-0410-ab3c-d52691b4dbfc