Teach URLRequest about initiator checks for First-Party-Only cookies.

net/cookies/canonical_cookie.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.
 
 // Portions of this code based on Mozilla:
 //   (netwerk/cookie/src/nsCookieService.cpp)
 /* ***** BEGIN LICENSE BLOCK *****
  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
  *
  * The contents of this file are subject to the Mozilla Public License Version
@@ skipping 372 matching lines @@
   // insecure scheme.
   if (IsSecure() && !url.SchemeIsCryptographic())
     return false;
   // Don't include cookies for requests that don't apply to the cookie domain.
   if (!IsDomainMatch(url.host()))
     return false;
   // Don't include cookies for requests with a url path that does not path
   // match the cookie-path.
   if (!IsOnPath(url.path()))
     return false;
-
-  // Include first-party-only cookies if:
-  //
-  // * |options| tells us to include all of them
-  // * a first-party origin is set, and they matches the origin of |url|
-  if (IsFirstPartyOnly() && !options.include_first_party_only() &&
-      !options.first_party().IsSameOriginWith(url::Origin(url))) {
+  // Don't include first-party-only cookies for non-first-party requests.
+  if (IsFirstPartyOnly() && !options.include_first_party_only())
     return false;
-  }
 
   return true;
 }
 
 std::string CanonicalCookie::DebugString() const {
   return base::StringPrintf(
       "name: %s value: %s domain: %s path: %s creation: %"
       PRId64,
       name_.c_str(), value_.c_str(),
       domain_.c_str(), path_.c_str(),
@@ skipping 29 matching lines @@
   if (IsSecure() != other.IsSecure())
     return IsSecure();
 
   if (IsHttpOnly() != other.IsHttpOnly())
     return IsHttpOnly();
 
   return Priority() < other.Priority();
 }
 
 }  // namespace net