Add the composite widgets aria role values to auto-complete

src/vs/languages/html/common/htmlTags.ts

@@ -169,7 +169,7 @@ export function getHTML5TagProvider(): IHTMLTagProvider {
 		relevant: ['additions', 'removals', 'text', 'all', 'additions text'],
 		sort: ['ascending', 'descending', 'none', 'other'],
 		roles: ['alert', 'alertdialog', 'button', 'checkbox', 'dialog', 'gridcell', 'link', 'log', 'marquee', 'menuitem', 'menuitemcheckbox', 'menuitemradio', 'option', 'progressbar', 'radio', 'scrollbar', 'searchbox', 'slider',
-			'spinbutton', 'status', 'switch', 'tab', 'tabpanel', 'textbox', 'timer', 'tooltip', 'treeitem']
+			'spinbutton', 'status', 'switch', 'tab', 'tabpanel', 'textbox', 'timer', 'tooltip', 'treeitem', 'combobox', 'grid', 'listbox', 'menu', 'menubar', 'radiogroup', 'tablist', 'tree', 'treegrid']
 	};
 
 	return {