Allow comments in extension config files.

chrome/common/extensions/api/privacy.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": "privacy",
     "dependencies": [ "types" ],
     "properties": {
       "network": {
         "type": "object",
         "value": {},
         "description": "Settings that influence Chrome's handling of network connections in general.",
         "properties": {
@@ skipping 59 matching lines @@
           "referrersEnabled": {
             "$ref": "ChromeSetting",
             "value": ["referrersEnabled", {"type":"boolean"}],
             "description": "If enabled, Chrome sends <code>referer</code> headers with your requests. Yes, the name of this preference doesn't match the misspelled header. No, we're not going to change it. The value of this preference is of type boolean, and the default value is <code>true</code>."
           }
         }
       }
     }
   }
 ]