message: Consume all combinations of space / enter, keyDown / keyUp presses and
  try to explain this key handling inconsistency with some additional
  comments as per the review discussion.
diff: @@ -32,12 +32,20 @@ export default function AccessibleButton(props) {
  // We need to consume enter onKeyDown and space onKeyUp
  // otherwise we are risking also activating other keyboard focusable elements
  // that might receive focus as a result of the AccessibleButtonClick action
  + // It's because we are using html buttons at a few places e.g. inside dialogs
  + // And divs which we report as role button to assistive technologies.
  + // Browsers handle space and enter keypresses differently and we are only adjusting to the
  + // inconsistencies here
  restProps.onKeyDown = function(e) {
  if (e.keyCode === KeyCode.ENTER) {
  e.stopPropagation();
  e.preventDefault();
  return onClick(e);
  }
  + if (e.keyCode === KeyCode.SPACE) {
  + e.stopPropagation();
  + e.preventDefault();
  + }
  };
  restProps.onKeyUp = function(e) {
  if (e.keyCode === KeyCode.SPACE) {
  @@ -45,6 +53,10 @@ export default function AccessibleButton(props) {
  e.preventDefault();
  return onClick(e);
  }
  + if (e.keyCode === KeyCode.ENTER) {
  + e.stopPropagation();
  + e.preventDefault();
  + }
  };
  restProps.tabIndex = restProps.tabIndex || "0";
  restProps.role = "button";
  