Pass http response headers to the streamsPrivate API callback

content/browser/loader/resource_dispatcher_host_impl.cc

Index: content/browser/loader/resource_dispatcher_host_impl.cc
diff --git a/content/browser/loader/resource_dispatcher_host_impl.cc b/content/browser/loader/resource_dispatcher_host_impl.cc
index e8dc53eb7a67c136c5bb15b3ac1ea70dae50679d..29e686b226f45771f84e7829af71fdf737968570 100644
--- a/content/browser/loader/resource_dispatcher_host_impl.cc
+++ b/content/browser/loader/resource_dispatcher_host_impl.cc
@@ -610,6 +610,9 @@ ResourceDispatcherHostImpl::MaybeInterceptAsStream(net::URLRequest* request,
                                                    ResourceResponse* response) {
   ResourceRequestInfoImpl* info = ResourceRequestInfoImpl::ForRequest(request);
   const std::string& mime_type = response->head.mime_type;
+  std::string response_headers;
+  if (response->head.headers)
+    response->head.headers->GetNormalizedHeaders(&response_headers);
 
   GURL origin;
   std::string target_id;
@@ -636,7 +639,8 @@ ResourceDispatcherHostImpl::MaybeInterceptAsStream(net::URLRequest* request,
       info->GetChildID(),
       info->GetRouteID(),
       target_id,
-      handler->stream()->CreateHandle(request->url(), mime_type),
+      handler->stream()->CreateHandle(request->url(), mime_type,
+                                      response_headers),
       request->GetExpectedContentSize());
   return handler.PassAs<ResourceHandler>();
 }