Initial implementation of the <extensionoptions> GuestView tag

chrome/common/extensions/api/guest_view_internal.json

 // Copyright 2014 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": "guestViewInternal",
     "compiler_options": {
       "implemented_in": "chrome/browser/extensions/api/guest_view/guest_view_internal_api.h"
     },
     "description": "none",
     "functions": [
       {
         "name": "createGuest",
         "type": "function",
         "parameters": [
           {
             "type": "string",
             "name": "viewType",
             "nodoc": true
           },
           {
             "type": "object",
             "name": "createParams",
             "properties": {
               "storagePartitionId": {
                 "type": "string",
                 "optional": true
+              },
+              "extensionId": {

[Fady Samuel, 2014/07/11 21:08:05]

Revert. This change is no longer necessary. createGuest's createParams now
accepts anything.

[ericzeng, 2014/07/12 00:19:17]

Done.

+                "type": "string",
+                "optional": true
               }
             }
           },
           {
             "type": "function",
             "name": "callback",
             "parameters": [
               {
                 "type": "integer",
                 "name": "instanceId"
               }
             ]
           }
         ]
       }
     ]
   }
 ]