[NOT FOR LANDING] Detailed loading traces

net/url_request/url_request_job_manager.cc

Index: net/url_request/url_request_job_manager.cc
diff --git a/net/url_request/url_request_job_manager.cc b/net/url_request/url_request_job_manager.cc
index 092708fc86a10b872071b5a3db267a3a25d318df..020e8bafb1250db8af3d167d705a743ec00c5811 100644
--- a/net/url_request/url_request_job_manager.cc
+++ b/net/url_request/url_request_job_manager.cc
@@ -6,6 +6,7 @@
 
 #include <algorithm>
 
+#include "base/trace_event/trace_event.h"
 #include "base/memory/singleton.h"
 #include "build/build_config.h"
 #include "base/strings/string_util.h"
@@ -46,6 +47,7 @@ URLRequestJobManager* URLRequestJobManager::GetInstance() {
 
 URLRequestJob* URLRequestJobManager::CreateJob(
     URLRequest* request, NetworkDelegate* network_delegate) const {
+  TRACE_EVENT0("toplevel", "URLRequestJobManager::CreateJob");
   DCHECK(IsAllowedThread());
 
   // If we are given an invalid URL, then don't even try to inspect the scheme.