Timeline: show white overlay till page being reloaded paints

content/browser/devtools/protocol/tracing_handler.cc

Index: content/browser/devtools/protocol/tracing_handler.cc
diff --git a/content/browser/devtools/protocol/tracing_handler.cc b/content/browser/devtools/protocol/tracing_handler.cc
index 97c08edbe5e16cef729967f0aeb00e651ae8d44f..477dc8fab0af6ce02f47f0c038768388cb273e43 100644
--- a/content/browser/devtools/protocol/tracing_handler.cc
+++ b/content/browser/devtools/protocol/tracing_handler.cc
@@ -167,7 +167,8 @@ Response TracingHandler::Start(
     const std::string* options,
     const double* buffer_usage_reporting_interval,
     const std::string* transfer_mode,
-    const std::unique_ptr<base::DictionaryValue>& config) {
+    const std::unique_ptr<base::DictionaryValue>& config,
+    const std::string* reloadingBannerMessage) {
   if (IsTracing()) {
     if (!did_initiate_recording_ && IsStartupTracingActive()) {
       // If tracing is already running because it was initiated by startup