WIP: Teach "First-Party-Only" cookies about the requestor origin.

net/cookies/cookie_options.h

Index: net/cookies/cookie_options.h
diff --git a/net/cookies/cookie_options.h b/net/cookies/cookie_options.h
index d3d7fd056b71a05cc92e322b10d8d8f7d47991a9..5a01067daf949cb772f52cdecaa6d6427f8e1605 100644
--- a/net/cookies/cookie_options.h
+++ b/net/cookies/cookie_options.h
@@ -10,6 +10,7 @@
 #include "base/time/time.h"
 #include "net/base/net_export.h"
 #include "url/gurl.h"
+#include "url/origin.h"
 
 namespace net {
 
@@ -35,6 +36,11 @@ class NET_EXPORT CookieOptions {
   void set_first_party_url(const GURL& url) { first_party_url_ = url; }
   GURL first_party_url() const { return first_party_url_; }
 
+  void set_requestor_origin(const url::Origin& requestor_origin) {
+    requestor_origin_ = requestor_origin;
+  }
+  const url::Origin& requestor_origin() const { return requestor_origin_; }
+
   // |server_time| indicates what the server sending us the Cookie thought the
   // current time was when the cookie was produced.  This is used to adjust for
   // clock skew between server and host.
@@ -48,6 +54,7 @@ class NET_EXPORT CookieOptions {
   bool exclude_httponly_;
   bool include_first_party_only_;
   GURL first_party_url_;
+  url::Origin requestor_origin_;
   base::Time server_time_;
 };