Flash Player is integrated with Google Chrome as Pepper plug-in. Sometimes, it's necessary for developers to install the Content Debugger to debug their code. These instructions outline how to install and enable the Content Debugger.
If you have issues with integrated Flash Player plug-in in Chrome, report the issue to Google.
Go to https://www.adobe.com/support/flashplayer/debug_downloads.html and download the Content Debugger installer for the OS in use (Mac OS or Windows).
At the prompt, type the launch command in the following syntax:
<path to chrome app> --ppapi-flash-path=<path to PPAPI plugin> --ppapi-flash-version=<PPAPI Version Installed>
/Applications/Google\ Chrome.app/Contents/MacOS/Google\ Chrome --ppapi-flash-path=/Library/Internet\ Plug-Ins/PepperFlashPlayer/PepperFlashPlayer.plugin --ppapi-flash-version=126.96.36.199