[MD Bookmarks] Handle bookmark moves.

chrome/browser/resources/md_bookmarks/actions.js

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /**
  * @fileoverview Module for functions which produce action objects. These are
  * listed in one place to document available actions and their parameters.
  */
 
 cr.define('bookmarks.actions', function() {
   /**
    * @param {string} id
    * @param {{title: string, url: (string|undefined)}} changeInfo
    * @return {!Action}
    */
   function editBookmark(id, changeInfo) {
     return {
       name: 'edit-bookmark',
       id: id,
       changeInfo: changeInfo,
     };
   }
 
   /**
    * @param {string} id
    * @param {string} parentId
    * @param {number} index
+   * @param {string} oldParentId
+   * @param {number} oldIndex
+   * @return {!Action}
+   */
+  function moveBookmark(id, parentId, index, oldParentId, oldIndex) {
+    return {
+      name: 'move-bookmark',
+      id: id,
+      parentId: parentId,
+      index: index,
+      oldParentId: oldParentId,
+      oldIndex: oldIndex,
+    };
+  }
+
+  /**
+   * @param {string} id
+   * @param {string} parentId
+   * @param {number} index
    * @return {!Action}
    */
   function removeBookmark(id, parentId, index) {
     return {
       name: 'remove-bookmark',
       id: id,
       parentId: parentId,
       index: index,
     };
   }
@@ skipping 101 matching lines @@
     return {
       name: 'finish-search',
       results: ids,
     };
   }
 
   return {
     changeFolderOpen: changeFolderOpen,
     clearSearch: clearSearch,
     editBookmark: editBookmark,
+    moveBookmark: moveBookmark,
     refreshNodes: refreshNodes,
     removeBookmark: removeBookmark,
     selectFolder: selectFolder,
     selectItem: selectItem,
     setSearchResults: setSearchResults,
     setSearchTerm: setSearchTerm,
   };
 });