Add a ResourceScheduler to ResourceDispatcherHost.

content/browser/loader/resource_dispatcher_host_impl.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 child process (i.e. [Renderer, Plugin, Worker]ProcessHost), and
 // dispatches them to URLRequests. It then forwards 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_DISPATCHER_HOST_IMPL_H_
 #define CONTENT_BROWSER_LOADER_RESOURCE_DISPATCHER_HOST_IMPL_H_
 
 #include <map>
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/gtest_prod_util.h"
 #include "base/memory/linked_ptr.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/observer_list.h"
 #include "base/time.h"
 #include "base/timer.h"
 #include "content/browser/download/download_resource_handler.h"
 #include "content/browser/loader/resource_loader.h"
 #include "content/browser/loader/resource_loader_delegate.h"
+#include "content/browser/loader/resource_scheduler.h"
 #include "content/common/content_export.h"
 #include "content/public/browser/child_process_data.h"
 #include "content/public/browser/download_id.h"
 #include "content/public/browser/notification_types.h"
 #include "content/public/browser/resource_dispatcher_host.h"
 #include "ipc/ipc_message.h"
 #include "net/cookies/canonical_cookie.h"
 #include "net/url_request/url_request.h"
 #include "webkit/glue/resource_type.h"
 
@@ skipping 170 matching lines @@
   scoped_ptr<ResourceHandler> CreateResourceHandlerForDownload(
       net::URLRequest* request,
       bool is_content_initiated,
       bool must_download,
       DownloadId id,
       scoped_ptr<DownloadSaveInfo> save_info,
       const DownloadResourceHandler::OnStartedCallback& started_cb);
 
   void ClearSSLClientAuthHandlerForRequest(net::URLRequest* request);
 
+  ResourceScheduler* scheduler() { return scheduler_.get(); }
+
  private:
   FRIEND_TEST_ALL_PREFIXES(ResourceDispatcherHostTest,
                            TestBlockedRequestsProcessDies);
   FRIEND_TEST_ALL_PREFIXES(ResourceDispatcherHostTest,
                            IncrementOutstandingRequestsMemoryCost);
   FRIEND_TEST_ALL_PREFIXES(ResourceDispatcherHostTest,
                            CalculateApproximateMemoryCost);
 
   class ShutdownTask;
 
@@ skipping 19 matching lines @@
   virtual void DidFinishLoading(ResourceLoader* loader) OVERRIDE;
 
   // Extracts the render view/process host's identifiers from the given request
   // and places them in the given out params (both required). If there are no
   // such IDs associated with the request (such as non-page-related requests),
   // this function will return false and both out params will be -1.
   static bool RenderViewForRequest(const net::URLRequest* request,
                                    int* render_process_host_id,
                                    int* render_view_host_id);
 
+  // An init helper that runs on the IO thread.
+  void OnInit();
+
   // A shutdown helper that runs on the IO thread.
   void OnShutdown();
 
   // The real implementation of the OnSwapOutACK logic. OnSwapOutACK and
   // OnSimulateSwapOutACK just call this method, supplying the |timed_out|
   // parameter, which indicates whether the call is due to a timeout while
   // waiting for SwapOut acknowledgement from the renderer process.
   void HandleSwapOutACK(const ViewMsg_SwapOut_Params& params, bool timed_out);
 
   // Helper function for regular and download requests.
@@ skipping 153 matching lines @@
   bool allow_cross_origin_auth_prompt_;
 
   // http://crbug.com/90971 - Assists in tracking down use-after-frees on
   // shutdown.
   std::set<const ResourceContext*> active_resource_contexts_;
 
   typedef std::map<GlobalRequestID,
                    ObserverList<ResourceMessageDelegate>*> DelegateMap;
   DelegateMap delegate_map_;
 
+  scoped_ptr<ResourceScheduler> scheduler_;
+
   DISALLOW_COPY_AND_ASSIGN(ResourceDispatcherHostImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_LOADER_RESOURCE_DISPATCHER_HOST_IMPL_H_