Plumb redirect info out of net, through content, and into child processes.

net/url_request/redirect_info.h

+// Copyright 2014 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.
+
+#ifndef NET_URL_REQUEST_REDIRECT_INFO_H_
+#define NET_URL_REQUEST_REDIRECT_INFO_H_
+
+#include <string>
+
+#include "net/base/net_export.h"
+#include "url/gurl.h"
+
+namespace net {
+
+// RedirectInfo captures information about a redirect and any fields in a
+// request that change. This struct must be kept in sync with
+// content/common/resource_messages.h.
+struct NET_EXPORT RedirectInfo {
+  RedirectInfo();
+  ~RedirectInfo();
+
+  // The status code for the redirect response.
+  //
+  // TODO(davidben): Instead of passing this down, make URLRequestRedirectJob
+  // always fake a set of headers?

[davidben, 2014/07/25 19:19:05]

mmenke is going to fake a set of headers to fix a host of other bugs with
plugins. So if that goes in first, this field can go away.

+  int status_code;
+
+  // The new request method. Depending on the response code, the request method
+  // may change.
+  std::string new_method;
+
+  // The new request URL.
+  GURL new_url;
+
+  // The new first-party URL for cookies.
+  GURL new_first_party_for_cookies;
+
+  // The new HTTP referrer header.
+  std::string new_referrer;
+};
+
+}  // namespace net
+
+#endif  // NET_URL_REQUEST_REDIRECT_INFO_H_