Merge from vscode 93309f060778f6480a7d2a13913e6e7c624e9bc7

src/vs/workbench/contrib/extensions/browser/extensionEditor.ts

@@ -207,6 +207,7 @@ export class ExtensionEditor extends BaseEditor {
 		const root = append(parent, $('.extension-editor'));
 		root.tabIndex = 0; // this is required for the focus tracker on the editor
 		root.style.outline = 'none';
+		root.setAttribute('role', 'document');
 		const header = append(root, $('.header'));
 
 		const iconContainer = append(header, $('.icon-container'));