This should be: ``` this.hasPageMenu = PageMenuParent.addToPopup(menuObject, null, aPopup); ``` I'll fix it myself if I do a push today. It seems a page menu is what you get when an HTML page uses the (now deprecated, I believe) `<menu>` element to add stuff to the context menu.
Bug 1557979 Comment 7 Edit History
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This should be: this.hasPageMenu = PageMenuParent.addToPopup(menuObject, null, aPopup); I'll fix it myself if I do a push today. It seems a page menu is what you get when an HTML page uses the (now deprecated, I believe) <menu> element to add stuff to the context menu.