Have you ever tried Incognito window in Google Chrome? Pages you view in this window won't appear in your browser history or search history, and they won't leave other traces, like cookies, on your computer after you close the incognito window. Any files you download or bookmarks you create will be preserved. In my previous post, I explained about How to protect in cafe while surfing internet? which is one more way for safe browsing.
For enable it, press Ctrl+Shift+N in Google chrome window.