Convert the code in `src/display/canvas.js` to use standard classes#13300

Merged

timvandermeij merged 1 commit intomozilla:masterfrom Snuffleupagus:canvas-class

Apr 27, 2021

+424-418

Commits on Apr 26, 2021

Convert the code in src/display/canvas.js to use standard classes
Snuffleupagus
committed