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 91 matching lines @@
 
 bool AsyncResourceHandler::OnRequestRedirected(
     int request_id,
     const GURL& new_url,
     content::ResourceResponse* response,
     bool* defer) {
   *defer = true;
   net::URLRequest* request = rdh_->GetURLRequest(
       GlobalRequestID(filter_->child_id(), request_id));
   if (rdh_->delegate())
-    rdh_->delegate()->OnRequestRedirected(request, response);
+    rdh_->delegate()->OnRequestRedirected(request, filter_->resource_context(),
+                                          response);
 
   DevToolsNetLogObserver::PopulateResponseInfo(request, response);
   response->request_start = request->creation_time();
   response->response_start = TimeTicks::Now();
   return filter_->Send(new ResourceMsg_ReceivedRedirect(
       routing_id_, request_id, new_url, *response));
 }
 
 bool AsyncResourceHandler::OnResponseStarted(
     int request_id,
     content::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.
   net::URLRequest* request = rdh_->GetURLRequest(
       GlobalRequestID(filter_->child_id(), request_id));
 
+  content::ResourceContext* resource_context = filter_->resource_context();
   if (rdh_->delegate())
-    rdh_->delegate()->OnResponseStarted(request, response, filter_);
+    rdh_->delegate()->OnResponseStarted(request, resource_context, response,

[dominich, 2012/05/30 15:35:01]

nit:
rdh_->delegate()->OnResponseStarted(
    request, filter_->resource_context(), response, filter_);

no need for a local var.

[Shishir, 2012/05/30 18:07:15]

Its used in a couple of places so the var might be ok.

+                                        filter_);
 
   DevToolsNetLogObserver::PopulateResponseInfo(request, response);
 
-  content::ResourceContext* resource_context = filter_->resource_context();
   content::HostZoomMap* host_zoom_map =
       content::GetHostZoomMapForResourceContext(resource_context);
 
   const ResourceRequestInfo* info = ResourceRequestInfo::ForRequest(request);
   if (info->GetResourceType() == ResourceType::MAIN_FRAME && host_zoom_map) {
     GURL request_url(request->url());
     filter_->Send(new ViewMsg_SetZoomLevelForLoadingURL(
         info->GetRouteID(),
         request_url, host_zoom_map->GetZoomLevel(net::GetHostOrSpecFromURL(
             request_url))));
@@ skipping 133 matching lines @@
 void AsyncResourceHandler::GlobalCleanup() {
   if (g_spare_read_buffer) {
     // Avoid the CHECK in SharedIOBuffer::~SharedIOBuffer().
     SharedIOBuffer* tmp = g_spare_read_buffer;
     g_spare_read_buffer = NULL;
     tmp->Release();
   }
 }
 
 }  // namespace content