Fix js error in VK on debug build

extensions/common/api/virtual_keyboard_private.json

 // Copyright 2013 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": "virtualKeyboardPrivate",
     "compiler_options": {
       "implemented_in": "extensions/browser/api/virtual_keyboard_private/virtual_keyboard_private_api.h"
     },
@@ skipping 142 matching lines @@
             "parameters": [
               {
                 "type": "object",
                 "name": "config",
                 "properties": {
                   "layout": {
                     "type": "string",
                     "minLength": 1,
                     "description": "Virtual keyboard layout string."
                   },
+                  "hotrodmode": {
+                    "type": "boolean",
+                    "description": "Virtual keyboard is in hotrod mode."
+                  },
                   "a11ymode": {
                     "type": "boolean",
                     "description": "True if accessibility virtual keyboard is enabled."
                   },
                   "features": {
                     "type": "array",
                     "items": { "type": "string" },
                     "description": "List of experimental feature flags."
                   }
                 }
@@ skipping 62 matching lines @@
           {
             "name": "bounds",
             "description": "The virtual keyboard bounds",
             "$ref": "Bounds"
           }
         ]
       }
     ]
   }
 ]