Speculative resource prefetching for URLs CL.

The learning model and database persistance for speculative resource
prefetching based on URLs. The host based learning will come in another CL.

Will add tests once the design is approved.

BUG=
TEST=unit_test


Review URL: https://chromiumcodereview.appspot.com/10416002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@144019 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 10 insertions, 5 deletions

diff --git a/content/browser/renderer_host/async_resource_handler.cc b/content/browser/renderer_host/async_resource_handler.cc
index e37724d..06da08a 100644
--- a/content/browser/renderer_host/async_resource_handler.cc
+++ b/content/browser/renderer_host/async_resource_handler.cc
@@ -144,8 +144,11 @@ bool AsyncResourceHandler::OnRequestRedirected(int request_id,
                                                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();
@@ -163,12 +166,14 @@ bool AsyncResourceHandler::OnResponseStarted(int request_id,
   // 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);