Reland "Merge of CrossSiteResourceHandler and NavigationResourceThrottle."

content/browser/frame_host/cross_site_transferring_request.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 CONTENT_BROWSER_FRAME_HOST_CROSS_SITE_TRANSFERRING_REQUEST_H_
-#define CONTENT_BROWSER_FRAME_HOST_CROSS_SITE_TRANSFERRING_REQUEST_H_
-
-#include "base/macros.h"
-#include "content/common/content_export.h"
-#include "content/public/browser/global_request_id.h"
-
-namespace content {
-
-class CrossSiteResourceHandler;
-
-// A UI thread object that owns a request being transferred.  Deleting the
-// object without releasing the request will delete the underlying URLRequest.
-// This is needed to clean up the URLRequest when a cross site navigation is
-// cancelled.
-class CONTENT_EXPORT CrossSiteTransferringRequest {
- public:
-  explicit CrossSiteTransferringRequest(GlobalRequestID global_request_id);
-  ~CrossSiteTransferringRequest();
-
-  // Relinquishes ownership of the request, so another process can take
-  // control of it.
-  void ReleaseRequest();
-
-  GlobalRequestID request_id() const { return global_request_id_; }
-
- private:
-  // No need for a weak pointer here - nothing should have ownership of the
-  // cross site request until after |this| is deleted, or ReleaseRequest is
-  // called.
-  GlobalRequestID global_request_id_;
-
-  DISALLOW_COPY_AND_ASSIGN(CrossSiteTransferringRequest);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_BROWSER_FRAME_HOST_CROSS_SITE_TRANSFERRING_REQUEST_H_