message: Add tab indexes, role=button and aria-labels to TabbedViews for a11y
diff: @@ -82,12 +82,19 @@ export class TabbedView extends React.Component {
  const onClickHandler = () => this._setActiveTab(tab);
  + const label = _t(tab.label);
  return (
  - <span className={classes} key={"tab_label_" + tab.label}
  - onClick={onClickHandler}>
  + <span
  + className={classes}
  + key={"tab_label_" + tab.label}
  + onClick={onClickHandler}
  + role="button"
  + aria-label={label}
  + tabIndex={0}
  + >
  {tabIcon}
  <span className="mx_TabbedView_tabLabel_text">
  - {_t(tab.label)}
  + { label }
  </span>
  </span>
  );
  