add rowDirection to proptypes

Author: Zishan Kahn

node-content-renderer.js

@@ -233,6 +233,7 @@ FileThemeNodeContentRenderer.propTypes = {
   toggleChildrenVisibility: PropTypes.func,
   treeIndex: PropTypes.number.isRequired,
   treeId: PropTypes.string.isRequired,
+  rowDirection: PropTypes.string.isRequired,
 
   // Drag and drop API functions
   // Drag source

tree-node-renderer.js

@@ -76,6 +76,7 @@ FileThemeTreeNodeRenderer.propTypes = {
   path: PropTypes.arrayOf(
     PropTypes.oneOfType([PropTypes.string, PropTypes.number])
   ).isRequired,
+  rowDirection: PropTypes.string.isRequired,
 };
 
 export default FileThemeTreeNodeRenderer;