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

content/browser/loader/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.
 
 // This is the browser side of the resource dispatcher, it receives requests
 // from the RenderProcessHosts, and dispatches them to URLRequests. It then
 // fowards the messages from the URLRequests back to the correct process for
 // handling.
 //
 // See http://dev.chromium.org/developers/design-documents/multi-process-resource-loading
 
 #ifndef CONTENT_BROWSER_LOADER_RESOURCE_HANDLER_H_
 #define CONTENT_BROWSER_LOADER_RESOURCE_HANDLER_H_
 
 #include <string>
 
 #include "base/memory/ref_counted.h"
 #include "base/sequenced_task_runner_helpers.h"
 #include "base/threading/non_thread_safe.h"
 #include "content/common/content_export.h"
 
 class GURL;
 
 namespace net {
 class IOBuffer;
+struct RedirectInfo;

[darin (slow to review), 2014/08/14 23:54:21]

nit: list "struct" after "class"?

[davidben, 2014/08/15 17:12:15]

Done.

 class URLRequest;
 class URLRequestStatus;
 }  // namespace net
 
 namespace content {
 class ResourceController;
 class ResourceMessageFilter;
 class ResourceRequestInfoImpl;
 struct ResourceResponse;
 
 // The resource dispatcher host uses this interface to process network events
 // for an URLRequest instance.  A ResourceHandler's lifetime is bound to its
 // associated URLRequest.
 class CONTENT_EXPORT ResourceHandler
     : public NON_EXPORTED_BASE(base::NonThreadSafe) {
  public:
   virtual ~ResourceHandler() {}
 
   // Sets the controller for this handler.
   virtual void SetController(ResourceController* controller);
 
   // Called as upload progress is made.  The return value is ignored.
   virtual bool OnUploadProgress(uint64 position, uint64 size) = 0;
 
   // The request was redirected to a new URL.  |*defer| has an initial value of
   // false.  Set |*defer| to true to defer the redirect.  The redirect may be
   // followed later on via ResourceDispatcherHost::FollowDeferredRedirect.  If
   // the handler returns false, then the request is cancelled.
-  virtual bool OnRequestRedirected(const GURL& url,
+  virtual bool OnRequestRedirected(const net::RedirectInfo& redirect_info,
                                    ResourceResponse* response,
                                    bool* defer) = 0;
 
   // Response headers and meta data are available.  If the handler returns
   // false, then the request is cancelled.  Set |*defer| to true to defer
   // processing of the response.  Call ResourceDispatcherHostImpl::
   // ResumeDeferredRequest to continue processing the response.
   virtual bool OnResponseStarted(ResourceResponse* response, bool* defer) = 0;
 
   // Called before the net::URLRequest (whose url is |url|) is to be started.
@@ skipping 57 matching lines @@
   ResourceMessageFilter* GetFilter() const;
 
  private:
   ResourceController* controller_;
   net::URLRequest* request_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_LOADER_RESOURCE_HANDLER_H_