[NOT FOR LANDING] Detailed loading traces

content/browser/loader/resource_request_info_impl.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/resource_request_info_impl.h"
 
 #include "content/browser/frame_host/frame_tree_node.h"
 #include "content/browser/loader/global_routing_id.h"
 #include "content/browser/loader/resource_message_filter.h"
 #include "content/browser/web_contents/web_contents_impl.h"
@@ skipping 80 matching lines @@
           is_using_lofi,                     // is_using_lofi
           std::string());                    // original_headers
   info->AssociateWithRequest(request);
 }
 
 // static
 bool ResourceRequestInfo::GetRenderFrameForRequest(
     const net::URLRequest* request,
     int* render_process_id,
     int* render_frame_id) {
+  TRACE_EVENT0("toplevel", "ResourceRequestInfo::GetRenderFrameForRequest");
+
   URLRequestUserData* user_data = static_cast<URLRequestUserData*>(
       request->GetUserData(URLRequestUserData::kUserDataKey));
   if (!user_data)
     return false;
   *render_process_id = user_data->render_process_id();
   *render_frame_id = user_data->render_frame_id();
   return true;
 }
 
 // static
@@ skipping 224 matching lines @@
     base::WeakPtr<ResourceMessageFilter> filter) {
   child_id_ = child_id;
   route_id_ = route_id;
   render_frame_id_ = render_frame_id;
   origin_pid_ = origin_pid;
   request_id_ = request_id;
   filter_ = filter;
 }
 
 }  // namespace content