Merge "base: fix ClassCastException in MenuPopupWindow"

                setNextSelectedPositionInt(INVALID_POSITION);

                // Close only the top-level menu.

                ((MenuAdapter) getAdapter()).getAdapterMenu().close(false /* closeAllMenus */);

                final ListAdapter adapter = getAdapter();

                final MenuAdapter menuAdapter;

                if (adapter instanceof HeaderViewListAdapter) {

                    final HeaderViewListAdapter headerAdapter = (HeaderViewListAdapter) adapter;

                    menuAdapter = (MenuAdapter) headerAdapter.getWrappedAdapter();

                } else {

                    menuAdapter = (MenuAdapter) adapter;

                }

                menuAdapter.getAdapterMenu().close(false /* closeAllMenus */);

                return true;

            }

            return super.onKeyDown(keyCode, event);