Interesting that Chrome is doing this. Are you seeing this behavior with all / some / only a few of your dashboards?
Try telling Tableau NOT to allow Chrome to do local rendering. By adding :?render=false to the end of the request for the viz, you'll force Tableau to do the rendering vs. the the browser. The browser will simply display"tiles" (like to way Google renders maps) that Tableau sends it rather than rendering the viz itself locally: