Refactor chrome.bookmarks API to use JSON schema compiler.

chrome/common/extensions/api/bookmarks.json

 // Copyright (c) 2012 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.
 
 [
   {
     "namespace": "bookmarks",
     "uses_feature_system": true,
     "channel": "stable",
     "dependencies": ["permission:bookmarks"],
@@ skipping 152 matching lines @@
       {
         "name": "move",
         "type": "function",
         "description": "Moves the specified BookmarkTreeNode to the provided location.",
         "parameters": [
           {"type": "string", "name": "id"},
           {
             "type": "object",
             "name": "destination",
             "properties": {
-              "parentId": {"type": "string"},
+              "parentId": {"type": "string", "optional": true},
               "index": {"type": "integer", "minimum": 0, "optional": true}
             }
           },
           {
             "type": "function",
             "name": "callback",
             "optional": true,
             "parameters": [
               {"name": "result", "$ref": "BookmarkTreeNode" }
             ]
@@ skipping 147 matching lines @@
       },
       {
         "name": "onImportEnded",
         "type": "function",
         "description": "Fired when a bookmark import session is ended.",
         "parameters": []
       }
     ]
   }
 ]