[NOT FOR LANDING] Detailed loading traces

content/browser/loader/cross_site_resource_handler.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/loader/cross_site_resource_handler.h"
 
 #include <string>
 #include <utility>
 
+#include "base/trace_event/trace_event.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "content/browser/appcache/appcache_interceptor.h"
 #include "content/browser/child_process_security_policy_impl.h"
 #include "content/browser/frame_host/cross_site_transferring_request.h"
 #include "content/browser/frame_host/render_frame_host_impl.h"
 #include "content/browser/loader/resource_dispatcher_host_impl.h"
 #include "content/browser/loader/resource_request_info_impl.h"
 #include "content/browser/site_instance_impl.h"
@@ skipping 93 matching lines @@
     scoped_ptr<ResourceHandler> next_handler,
     net::URLRequest* request)
     : LayeredResourceHandler(request, std::move(next_handler)),
       has_started_response_(false),
       in_cross_site_transition_(false),
       completed_during_transition_(false),
       did_defer_(false),
       weak_ptr_factory_(this) {}
 
 CrossSiteResourceHandler::~CrossSiteResourceHandler() {
+  TRACE_EVENT0("toplevel",
+               "CrossSiteResourceHandler::~CrossSiteResourceHandler");
+
   // Cleanup back-pointer stored on the request info.
   GetRequestInfo()->set_cross_site_handler(NULL);
 }
 
 bool CrossSiteResourceHandler::OnRequestRedirected(
     const net::RedirectInfo& redirect_info,
     ResourceResponse* response,
     bool* defer) {
   // We should not have started the transition before being redirected.
   DCHECK(!in_cross_site_transition_);
@@ skipping 248 matching lines @@
     controller()->Resume();
   }
 }
 
 void CrossSiteResourceHandler::OnDidDefer() {
   did_defer_ = true;
   request()->LogBlockedBy("CrossSiteResourceHandler");
 }
 
 }  // namespace content