You can configure that setting in Chrome 57 as follows.
No Plugin might not be entirely effective if you’re using an outdated Chrome browser that doesn’t fully support HTML5.
Furthermore, updating Chrome can also fix Flash plug-in issues.
IE Tab is an extension that emulates the Internet Explorer layout engine in Chrome, which enables the Silverlight, Java and Active X plug-ins in Google’s browser.
As such, adding this extension to Chrome can fix Java, Silverlight and Active X multimedia content on pages.
Most websites are embracing HTML5, but there are still plenty of websites with multimedia content that need specific plug-ins.
Older sites that aren’t HTML5 compatible will probably have videos on them that display the plug-in not supported error message.
Then open a media player to play the website’s video or audio.
Check out this Windows Report post for further No Plugin details.
No Plugin is a Google Chrome, Opera and Firefox extension that enables you to play multimedia content without the required plug-ins.
The extension enhances browsers’ compatibility with outdated websites that include plug-in content.
So check that the Allow sites to run Flash setting is switched on in Chrome.