Speculative resource prefetching - fixing missing navigations due to server side redirects.

chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.cc

Index: chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.cc
diff --git a/chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.cc b/chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.cc
index 21375335366c7f380a4e378bb8fdbc4a98afa155..d0157be18043a254272aace778c8676788b46e56 100644
--- a/chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.cc
+++ b/chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.cc
@@ -152,9 +152,10 @@ void ChromeResourceDispatcherHostDelegate::RequestBeginning(
                                   throttles);
 
   ProfileIOData* io_data = ProfileIOData::FromResourceContext(resource_context);
-  if (io_data->resource_prefetch_predictor_observer())
+  if (io_data->resource_prefetch_predictor_observer()) {
     io_data->resource_prefetch_predictor_observer()->OnRequestStarted(
         request, resource_type, child_id, route_id);
+  }
 }
 
 void ChromeResourceDispatcherHostDelegate::DownloadStarting(
@@ -360,6 +361,7 @@ void ChromeResourceDispatcherHostDelegate::OnResponseStarted(
 }
 
 void ChromeResourceDispatcherHostDelegate::OnRequestRedirected(
+    const GURL& redirect_url,
     net::URLRequest* request,
     content::ResourceContext* resource_context,
     content::ResourceResponse* response) {
@@ -376,9 +378,10 @@ void ChromeResourceDispatcherHostDelegate::OnRequestRedirected(
 #endif
 
   ProfileIOData* io_data = ProfileIOData::FromResourceContext(resource_context);
-  if (io_data->resource_prefetch_predictor_observer())
+  if (io_data->resource_prefetch_predictor_observer()) {
     io_data->resource_prefetch_predictor_observer()->OnRequestRedirected(
-        request);
+        redirect_url, request);
+  }
 }
 
 void ChromeResourceDispatcherHostDelegate::OnFieldTrialGroupFinalized(