Add content/browser/loader/ for resource loading related classes.

content/browser/renderer_host/cross_site_resource_handler.h

-// 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.
-
-#ifndef CONTENT_BROWSER_RENDERER_HOST_CROSS_SITE_RESOURCE_HANDLER_H_
-#define CONTENT_BROWSER_RENDERER_HOST_CROSS_SITE_RESOURCE_HANDLER_H_
-
-#include "content/browser/renderer_host/layered_resource_handler.h"
-#include "net/url_request/url_request_status.h"
-
-namespace net {
-class URLRequest;
-}
-
-namespace content {
-
-// Ensures that cross-site responses are delayed until the onunload handler of
-// the previous page is allowed to run.  This handler wraps an
-// AsyncEventHandler, and it sits inside SafeBrowsing and Buffered event
-// handlers.  This is important, so that it can intercept OnResponseStarted
-// after we determine that a response is safe and not a download.
-class CrossSiteResourceHandler : public LayeredResourceHandler {
- public:
-  CrossSiteResourceHandler(scoped_ptr<ResourceHandler> next_handler,
-                           int render_process_host_id,
-                           int render_view_id,
-                           net::URLRequest* request);
-  virtual ~CrossSiteResourceHandler();
-
-  // ResourceHandler implementation:
-  virtual bool OnRequestRedirected(int request_id,
-                                   const GURL& new_url,
-                                   ResourceResponse* response,
-                                   bool* defer) OVERRIDE;
-  virtual bool OnResponseStarted(int request_id,
-                                 ResourceResponse* response,
-                                 bool* defer) OVERRIDE;
-  virtual bool OnReadCompleted(int request_id,
-                               int bytes_read,
-                               bool* defer) OVERRIDE;
-  virtual bool OnResponseCompleted(int request_id,
-                                   const net::URLRequestStatus& status,
-                                   const std::string& security_info) OVERRIDE;
-
-  // We can now send the response to the new renderer, which will cause
-  // WebContentsImpl to swap in the new renderer and destroy the old one.
-  void ResumeResponse();
-
- private:
-  // Prepare to render the cross-site response in a new RenderViewHost, by
-  // telling the old RenderViewHost to run its onunload handler.
-  void StartCrossSiteTransition(
-      int request_id,
-      ResourceResponse* response);
-
-  void ResumeIfDeferred();
-
-  int render_process_host_id_;
-  int render_view_id_;
-  net::URLRequest* request_;
-  bool has_started_response_;
-  bool in_cross_site_transition_;
-  int request_id_;
-  bool completed_during_transition_;
-  bool did_defer_;
-  net::URLRequestStatus completed_status_;
-  std::string completed_security_info_;
-  ResourceResponse* response_;
-
-  DISALLOW_COPY_AND_ASSIGN(CrossSiteResourceHandler);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_BROWSER_RENDERER_HOST_CROSS_SITE_RESOURCE_HANDLER_H_