Network traffic annotation added to URLLoaderImpl.

content/child/resource_dispatcher.cc

Index: content/child/resource_dispatcher.cc
diff --git a/content/child/resource_dispatcher.cc b/content/child/resource_dispatcher.cc
index 218efb1a8ee0de7362e2b285918184a0a47c14d6..b0edb2bbf557adb5026afa28e37f0df727a70904 100644
--- a/content/child/resource_dispatcher.cc
+++ b/content/child/resource_dispatcher.cc
@@ -670,7 +670,8 @@ int ResourceDispatcher::StartAsync(
     std::unique_ptr<ThrottlingURLLoader> url_loader =
         ThrottlingURLLoader::CreateLoaderAndStart(
             url_loader_factory, std::move(throttles), routing_id, request_id,
-            mojom::kURLLoadOptionNone, std::move(request), client.get());
+            mojom::kURLLoadOptionNone, std::move(request), client.get(),
+            net::MutableNetworkTrafficAnnotationTag(NO_TRAFFIC_ANNOTATION_YET));
     pending_requests_[request_id]->url_loader = std::move(url_loader);
     pending_requests_[request_id]->url_loader_client = std::move(client);
   } else {