Remove the HANDLED_EXTERNALLY status code.

content/browser/renderer_host/buffered_resource_handler.cc

Index: content/browser/renderer_host/buffered_resource_handler.cc
diff --git a/content/browser/renderer_host/buffered_resource_handler.cc b/content/browser/renderer_host/buffered_resource_handler.cc
index fab935bf9b248812cb21fc436714e27de6e4cf44..491a2256755814ce54c3bba840ef25a94a7cfe74 100644
--- a/content/browser/renderer_host/buffered_resource_handler.cc
+++ b/content/browser/renderer_host/buffered_resource_handler.cc
@@ -380,7 +380,8 @@ bool BufferedResourceHandler::UseAlternateResourceHandler(
   bool defer_ignored = false;
   next_handler_->OnResponseStarted(request_id, response_, &defer_ignored);
   DCHECK(!defer_ignored);
-  net::URLRequestStatus status(net::URLRequestStatus::HANDLED_EXTERNALLY, 0);
+  net::URLRequestStatus status(net::URLRequestStatus::SUCCESS,
+                               net::OK_HANDLED_EXTERNALLY);
   next_handler_->OnResponseCompleted(request_id, status, std::string());
 
   // This is handled entirely within the new ResourceHandler, so just reset the