I have developed a chrome extension that opens a popup when I click on the icon near the address bar. Everything works fine, however I want to add some functionality to it. So I
I was looking for extensions that I have already been used, but forget its name. This extension opened up the result into Context Menu, without open new TAB or popup.
may be useful
https://developer.chrome.com/extensions/contextMenus
You can't make the popup page show programmatically as if the user clicked it.
However, you can still have something display based on the background script / content menu click. There are 4 main options for your background script:
Options 2, 3, 4 will allow the user to stay on their tab without any navigation. The notifications API route is the simplest to use if you just want some quick notification to the user, and there are fewer security snags. 2 and 3 require more book-keeping, but you can make the dialog look like your popup.