Move ResourceResponseHead::error_code to SyncLoadResult.

content/browser/loader/resource_loader.cc

Index: content/browser/loader/resource_loader.cc
diff --git a/content/browser/loader/resource_loader.cc b/content/browser/loader/resource_loader.cc
index 35d37f47ac9f496541e393506065cf63be742407..a8d6d278cc241041b189d6028b4329df9722ae6a 100644
--- a/content/browser/loader/resource_loader.cc
+++ b/content/browser/loader/resource_loader.cc
@@ -42,7 +42,6 @@ namespace {
 void PopulateResourceResponse(ResourceRequestInfoImpl* info,
                               net::URLRequest* request,
                               ResourceResponse* response) {
-  response->head.error_code = request->status().error();
   response->head.request_time = request->request_time();
   response->head.response_time = request->response_time();
   response->head.headers = request->response_headers();