Address Bar Inside Search (TAB Key)

May this has been already suggested. And probably would mean copying from other browsers.  

But there is just one missing feature that I think would make this a great browser and even attract other users.  

It is the ability to search inside websites without even entering them.  
For Example, you type www.youtube.com and then hit the TAB key, the site would then get compressed in the bar and let you type your search keywords right away, hitting enter would move you directly inside the search results on that website.  Yes, just like it works on Chrome. 

Would look forward to see this implemented.  

Thank you.