Track parent-child relations during profiling

content/browser/renderer_host/render_process_host_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.
 
 // Represents the browser side of the browser <--> renderer communication
 // channel. There will be one RenderProcessHost per renderer process.
 
 #include "content/browser/renderer_host/render_process_host_impl.h"
 
 #if defined(OS_WIN)
@@ skipping 891 matching lines @@
   }
   return listener->OnMessageReceived(msg);
 }
 
 void RenderProcessHostImpl::OnChannelConnected(int32 peer_pid) {
 #if defined(IPC_MESSAGE_LOG_ENABLED)
   Send(new ChildProcessMsg_SetIPCLoggingEnabled(
       IPC::Logging::GetInstance()->Enabled()));
 #endif
 
-  bool enable = tracked_objects::ThreadData::tracking_status();
-  Send(new ChildProcessMsg_SetProfilerStatus(enable));
+  tracked_objects::ThreadData::Status status =
+      tracked_objects::ThreadData::status();
+  Send(new ChildProcessMsg_SetProfilerStatus(status));
 }
 
 void RenderProcessHostImpl::OnChannelError() {
   if (!channel_.get())
     return;
 
   // Store the handle before it gets changed.
   base::ProcessHandle handle = GetHandle();
 
   // child_process_launcher_ can be NULL in single process mode or if fast
@@ skipping 371 matching lines @@
 void RenderProcessHostImpl::OnRevealFolderInOS(const FilePath& path) {
   // Only honor the request if appropriate persmissions are granted.
   if (ChildProcessSecurityPolicy::GetInstance()->CanReadFile(GetID(), path))
     content::GetContentClient()->browser()->OpenItem(path);
 }
 
 void RenderProcessHostImpl::OnSavedPageAsMHTML(int job_id, int64 data_size) {
   content::GetContentClient()->browser()->GetMHTMLGenerationManager()->
       MHTMLGenerated(job_id, data_size);
 }