Fix PerformanceResourceTiming transferSize field for sync XHR

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 346cff15f11d4b1df5f9f86f889ae06fe2201ed5..9c5a47a09e49c5836a699a94a3a62f435e93fb08 100644
--- a/content/child/resource_dispatcher.cc
+++ b/content/child/resource_dispatcher.cc
@@ -574,6 +574,7 @@ void ResourceDispatcher::StartSync(const RequestInfo& request_info,
   response->data.swap(result.data);
   response->download_file_path = result.download_file_path;
   response->socket_address = result.socket_address;
+  response->encoded_data_length = result.encoded_data_length;
   response->encoded_body_length = result.encoded_body_length;
 }