Updating JSON Schema Compiler to add description field to schemas.

chrome/common/extensions/api/cloud_print_private.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": "cloudPrintPrivate",
-    "nodoc": "true",
+    "description": "none",
     "types": [
       {
         "id": "PrinterSettings",
         "type": "object",
         "description": "Settings per printer.",
         "properties": {
           "name": {
             "type": "string",
             "description": "Unique printer id."
           },
@@ skipping 104 matching lines @@
                 "type": "string",
                 "description": "Client ID."
               }
             ]
           }
         ]
       }
     ]
   }
 ]