Inform disk cache of WebKit memory cache hits.

content/browser/renderer_host/resource_dispatcher_host.h

 // Copyright (c) 2011 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
@@ skipping 142 matching lines @@
     return save_file_manager_;
   }
 
   WebKitThread* webkit_thread() const {
     return webkit_thread_.get();
   }
 
   // Called when the unload handler for a cross-site request has finished.
   void OnSwapOutACK(const ViewMsg_SwapOut_Params& params);
 
+  // Called when the renderer loads a resource from its internal cache.
+  void OnDidLoadResourceFromMemoryCache(const GURL& url,
+                                        const std::string& security_info,
+                                        const std::string& http_method,
+                                        ResourceType::Type resource_type);
+
   // Force cancels any pending requests for the given process.
   void CancelRequestsForProcess(int process_unique_id);
 
   // Force cancels any pending requests for the given route id.  This method
   // acts like CancelRequestsForProcess when route_id is -1.
   void CancelRequestsForRoute(int process_unique_id, int route_id);
 
   // Force cancels any pending requests for the given |context|. This is
   // necessary to ensure that before |context| goes away, all requests
   // for it are dead.
@@ skipping 329 matching lines @@
 
   ResourceDispatcherHostDelegate* delegate_;
 
   static bool is_prefetch_enabled_;
   bool allow_cross_origin_auth_prompt_;
 
   DISALLOW_COPY_AND_ASSIGN(ResourceDispatcherHost);
 };
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RESOURCE_DISPATCHER_HOST_H_