Modifying Google Chrome

- To mute audio in tabs, type into the address bar: chrome://flags/#enable-tab-audio-muting. Enable it and restart chrome. Next time you want to disable audio from a tab, click the speaker icon on the tab.
- To remove name badge from the top right corner, type into the address bar: chrome://flags. Go to 'Enable new avatar menu', disable it, and restart chrome
- To remove name badge from the top right corner, follow the instructions as provided here: http://techdows.com/2015/06/chrome-44-disable-user-menu.html

Source:
http://betanews.com/2014/09/30/you-can-now-mute-audio-in-chrome-with-a-single-click/
http://www.addictivetips.com/web/remove-your-name-badge-from-the-top-right-corner-of-chrome/