Seculative resource prefetching for URLs CL.

content/browser/renderer_host/async_resource_handler.cc

 // 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.
 
 #include "content/browser/renderer_host/async_resource_handler.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/debug/alias.h"
@@ skipping 126 matching lines @@
   return filter_->Send(new ResourceMsg_UploadProgress(routing_id_, request_id,
                                                       position, size));
 }
 
 bool AsyncResourceHandler::OnRequestRedirected(int request_id,
                                                const GURL& new_url,
                                                ResourceResponse* response,
                                                bool* defer) {
   *defer = did_defer_ = true;
 
-  if (rdh_->delegate())
-    rdh_->delegate()->OnRequestRedirected(request_, response);
+  if (rdh_->delegate()) {
+    rdh_->delegate()->OnRequestRedirected(request_, filter_->resource_context(),
+                                          response);
+  }
+  *defer = true;
 
   DevToolsNetLogObserver::PopulateResponseInfo(request_, response);
   response->head.request_start = request_->creation_time();
   response->head.response_start = TimeTicks::Now();
   return filter_->Send(new ResourceMsg_ReceivedRedirect(
       routing_id_, request_id, new_url, response->head));
 }
 
 bool AsyncResourceHandler::OnResponseStarted(int request_id,
                                              ResourceResponse* response,
                                              bool* defer) {
   // For changes to the main frame, inform the renderer of the new URL's
   // per-host settings before the request actually commits.  This way the
   // renderer will be able to set these precisely at the time the
   // request commits, avoiding the possibility of e.g. zooming the old content
   // or of having to layout the new content twice.
 
-  if (rdh_->delegate())
-    rdh_->delegate()->OnResponseStarted(request_, response, filter_);
+  content::ResourceContext* resource_context = filter_->resource_context();
+  if (rdh_->delegate()) {
+    rdh_->delegate()->OnResponseStarted(request_, resource_context, response,
+                                        filter_);
+  }
 
   DevToolsNetLogObserver::PopulateResponseInfo(request_, response);
 
-  ResourceContext* resource_context = filter_->resource_context();
   HostZoomMap* host_zoom_map =
       GetHostZoomMapForResourceContext(resource_context);
 
   const ResourceRequestInfo* info = ResourceRequestInfo::ForRequest(request_);
   if (info->GetResourceType() == ResourceType::MAIN_FRAME && host_zoom_map) {
     const GURL& request_url = request_->url();
     filter_->Send(new ViewMsg_SetZoomLevelForLoadingURL(
         info->GetRouteID(),
         request_url, host_zoom_map->GetZoomLevel(net::GetHostOrSpecFromURL(
             request_url))));
@@ skipping 148 matching lines @@
 }
 
 void AsyncResourceHandler::ResumeIfDeferred() {
   if (did_defer_) {
     did_defer_ = false;
     controller()->Resume();
   }
 }
 
 }  // namespace content