Track parent-child relations during profiling

content/common/child_thread.cc

Index: content/common/child_thread.cc
===================================================================
--- content/common/child_thread.cc	(revision 120576)
+++ content/common/child_thread.cc	(working copy)
@@ -1,4 +1,4 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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.
 
@@ -218,8 +218,9 @@
 }
 #endif  //  IPC_MESSAGE_LOG_ENABLED
 
-void ChildThread::OnSetProfilerStatus(bool enable) {
-  tracked_objects::ThreadData::InitializeAndSetTrackingStatus(enable);
+void ChildThread::OnSetProfilerStatus(
+    tracked_objects::ThreadData::Status status) {
+  tracked_objects::ThreadData::InitializeAndSetTrackingStatus(status);
 }
 
 void ChildThread::OnGetChildProfilerData(