In Firebug, you can search some text and it will look for it in all scripts loaded on a page. Can the same be done in Chrome Developer tools while debugging client script? I
Open a new Search pane in Developer Tools by:
You can search across all your scripts with support for regular expressions and case sensitivity.
Click any match to load that file/section in the scripts panel.

Make sure 'Search in anonymous and content scripts' is checked in the DevTools Preferences (F1). This will return results from within iframes and HTML inline scripts: