Use of drawWindow method from CanvasRenderingContext2D is deprecated. Use tabs.captureTab extensions API instead https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/tabs/captureTab
CanvasRenderingContext2D ішінен drawWindow әдісін пайдалану ескірген. Оның орнына tabs.captureTab кеңейтулері API-ін пайдаланыңыз https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/tabs/captureTab