Need to check parent for performLongClick() as it

    @Override

    public boolean performLongClick() {

        // performLongClick() is the result of a delayed message. If we switch

        // to windows overview, the WebView will be temporarily removed from the

        // view system. In that case, do nothing.

        if (getParent() == null) return false;

        if (mNativeClass != 0 && nativeCursorIsTextInput()) {

            // Send the click so that the textfield is in focus

            centerKeyPressOnTextField();

                    // the states

                    mGotCenterDown = false;

                    mTrackballDown = false;

                    // LONG_PRESS_CENTER is sent as a delayed message. If we

                    // switch to windows overview, the WebView will be

                    // temporarily removed from the view system. In that case,

                    // do nothing.

                    if (getParent() != null) {

                    performLongClick();

                    }

                    break;

                case WEBCORE_NEED_TOUCH_EVENTS: