Make the transfer request code path use full referrers

content/common/resource_messages.h

 // Copyright (c) 2011 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.
 
 // IPC messages for resource loading.
 
 // Multiply-included message file, hence no include guard.
 #include "base/shared_memory.h"
 #include "content/public/common/common_param_traits.h"
 #include "content/public/common/resource_response.h"
 #include "ipc/ipc_message_macros.h"
 #include "net/base/upload_data.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebReferrerPolicy.h"
 
 #define IPC_MESSAGE_START ResourceMsgStart
 #undef IPC_MESSAGE_EXPORT
 #define IPC_MESSAGE_EXPORT CONTENT_EXPORT
 
 IPC_STRUCT_TRAITS_BEGIN(content::ResourceResponseHead)
   IPC_STRUCT_TRAITS_PARENT(webkit_glue::ResourceResponseInfo)
   IPC_STRUCT_TRAITS_MEMBER(status)
 IPC_STRUCT_TRAITS_END()
 
@@ skipping 37 matching lines @@
   // Usually the URL of the document in the top-level window, which may be
   // checked by the third-party cookie blocking policy. Leaving it empty may
   // lead to undesired cookie blocking. Third-party cookie blocking can be
   // bypassed by setting first_party_for_cookies = url, but this should ideally
   // only be done if there really is no way to determine the correct value.
   IPC_STRUCT_MEMBER(GURL, first_party_for_cookies)
 
   // The referrer to use (may be empty).
   IPC_STRUCT_MEMBER(GURL, referrer)
 
+  // The referrer policy to use.
+  IPC_STRUCT_MEMBER(WebKit::WebReferrerPolicy, referrer_policy)
+
   // Additional HTTP request headers.
   IPC_STRUCT_MEMBER(std::string, headers)
 
   // net::URLRequest load flags (0 by default).
   IPC_STRUCT_MEMBER(int, load_flags)
 
   // Process ID from which this request originated, or zero if it originated
   // in the renderer itself.
   IPC_STRUCT_MEMBER(int, origin_pid)
 
@@ skipping 129 matching lines @@
                     int /* request_id */)
 
 // Sent by the renderer process to acknowledge receipt of a
 // UploadProgress message.
 IPC_MESSAGE_ROUTED1(ResourceHostMsg_UploadProgress_ACK,
                     int /* request_id */)
 
 // Sent when the renderer process deletes a resource loader.
 IPC_MESSAGE_CONTROL1(ResourceHostMsg_ReleaseDownloadedFile,
                      int /* request_id */)