Referrer Policy: Distinguish "default" from "no referrer when downgrade". [1/2]

content/browser/loader/resource_dispatcher_host_impl.cc

 // 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.
 
 // See http://dev.chromium.org/developers/design-documents/multi-process-resource-loading
 
 #include "content/browser/loader/resource_dispatcher_host_impl.h"
 
 #include <algorithm>
 #include <set>
@@ skipping 224 matching lines @@
       base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kNoReferrers)) {
     request->SetReferrer(std::string());
   } else {
     request->SetReferrer(referrer.url.spec());
   }
 
   net::URLRequest::ReferrerPolicy net_referrer_policy =
       net::URLRequest::CLEAR_REFERRER_ON_TRANSITION_FROM_SECURE_TO_INSECURE;
   switch (referrer.policy) {
-    case blink::WebReferrerPolicyDefault:
-      net_referrer_policy =
-          net::URLRequest::CLEAR_REFERRER_ON_TRANSITION_FROM_SECURE_TO_INSECURE;
-      break;
     case blink::WebReferrerPolicyAlways:
     case blink::WebReferrerPolicyNever:
     case blink::WebReferrerPolicyOrigin:
       net_referrer_policy = net::URLRequest::NEVER_CLEAR_REFERRER;
       break;
+    case blink::WebReferrerPolicyDefault:
+    default:
+      net_referrer_policy =
+          net::URLRequest::CLEAR_REFERRER_ON_TRANSITION_FROM_SECURE_TO_INSECURE;
+      break;
   }
   request->set_referrer_policy(net_referrer_policy);
 }
 
 // Consults the RendererSecurity policy to determine whether the
 // ResourceDispatcherHostImpl should service this request.  A request might be
 // disallowed if the renderer is not authorized to retrieve the request URL or
 // if the renderer is attempting to upload an unauthorized file.
 bool ShouldServiceRequest(int process_type,
                           int child_id,
@@ skipping 2078 matching lines @@
 
   // Add a flag to selectively bypass the data reduction proxy if the resource
   // type is not an image.
   if (request_data.resource_type != RESOURCE_TYPE_IMAGE)
     load_flags |= net::LOAD_BYPASS_DATA_REDUCTION_PROXY;
 
   return load_flags;
 }
 
 }  // namespace content