Implement new referrer policies

third_party/WebKit/public/platform/referrer.mojom

 // Copyright 2016 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.
 
 module blink.mojom;
 
 import "url/mojo/url.mojom";
 
 // Maps to blink::WebReferrerPolicy in
 // src/third_party/WebKit/public/platform/WebReferrerPolicy.h.
 //
 // TODO(rockot): Update all WebReferrerPolicy consumers to use this type
 // instead, and remove the typemap.
 enum ReferrerPolicy {
     ALWAYS,
     DEFAULT,
     NO_REFERRER_WHEN_DOWNGRADE,
     NEVER,
     ORIGIN,
     ORIGIN_WHEN_CROSS_ORIGIN,
+    SAME_ORIGIN,
+    STRICT_ORIGIN,
     NO_REFERRER_WHEN_DOWNGRADE_ORIGIN_WHEN_CROSS_ORIGIN,
 };
 
 // This struct holds a referrer URL, as well as the referrer policy to be
 // applied to this URL. When passing around referrers that will eventually end
 // up being used for URL requests, always use this struct.
 struct Referrer {
   url.mojom.Url url;
   ReferrerPolicy policy;
 };