Referrer Policy: Add new policies to URLRequest.

net/url_request/url_request.cc

Index: net/url_request/url_request.cc
diff --git a/net/url_request/url_request.cc b/net/url_request/url_request.cc
index a2ce07eaf13057c5608b9467e377ed77a9e98240..9b4b420d52add19550843704f20383aecc702488 100644
--- a/net/url_request/url_request.cc
+++ b/net/url_request/url_request.cc
@@ -653,8 +653,10 @@ void URLRequest::StartJob(URLRequestJob* job) {
   // If the referrer is secure, but the requested URL is not, the referrer
   // policy should be something non-default. If you hit this, please file a
   // bug.
-  if (referrer_policy_ ==
-          CLEAR_REFERRER_ON_TRANSITION_FROM_SECURE_TO_INSECURE &&
+  if ((referrer_policy_ ==
+           CLEAR_REFERRER_ON_TRANSITION_FROM_SECURE_TO_INSECURE ||
+       referrer_policy_ ==
+           REDUCE_REFERRER_GRANULARITY_ON_TRANSITION_CROSS_ORIGIN) &&

[jochen (gone - plz use gerrit), 2014/11/19 10:03:48]

you could also check that for the "REDUCE_.*" case the cross origin bit is
handled correctly. It could always happen that somebody creates an URL request
where the initial referrer is already not matching the policy.

[Mike West, 2014/11/19 10:23:08]

This got a bit complex. Still make sense?

       GURL(referrer_).SchemeIsSecure() && !url().SchemeIsSecure()) {
     if (!network_delegate_ ||
         !network_delegate_->CancelURLRequestWithPolicyViolatingReferrerHeader(