you could also bring up just that overlay as a tab management system with Ctrl+Shift+A.
The keyboard shortcuts are configurable, but the modified keys (Ctrl/Cmd and Shift) are not.
Tabs Board| Chrome Web Store viaAddictiveTips
Tabs Board Switches Google Chrome Tabs by Voice
Chrome: If you have a lot of tabs open in Chrome and want to quickly find one without clicks or Ctrl+Tab, just say the site's name in your microphone
