1. Open Google Chrome.
2. Click the wrench icon in the upper-right corner of the toolbar and select Options.

Well not quite a Google Toolbar, but as close as we can get with no plugin API. Also this has a lot of the functionality of the SEOQuake addon for Firefox, so if your a webmaster or SEO these can be pretty useful for Chrome.
They are used just like bookmarks, so create a new bookmark, [...]