There is no reason to iterate over Node.
Created attachment 209851 [details] patch
Comment on attachment 209851 [details] patch View in context: https://bugs.webkit.org/attachment.cgi?id=209851&action=review r=me > Source/WebCore/accessibility/AccessibilityNodeObject.cpp:416 > + Element* canvasElement = toElement(node); HTMLCanvasElement* canvasElement = toHTMLCanvasElement(node);
https://trac.webkit.org/r154734