Implement profiler log writing at shutdown

base/tracked_objects.h

 // 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.
 
 #ifndef BASE_TRACKED_OBJECTS_H_
 #define BASE_TRACKED_OBJECTS_H_
 #pragma once
 
 #include <map>
 #include <set>
@@ skipping 685 matching lines @@
   // seen a death count.  This map changes as we do Append() calls, and is later
   // used by AddListOfLivingObjects() to gather up unaccounted for births.
   BirthCount global_birth_count_;
 
   // The complete list of parent-child relationships among tasks.
   ThreadData::ParentChildSet parent_child_set_;
 
   DISALLOW_COPY_AND_ASSIGN(DataCollector);
 };
 
-//------------------------------------------------------------------------------
-// Provide simple way to to start global tracking, and to tear down tracking
-// when done.  The design has evolved to *not* do any teardown (and just leak
-// all allocated data structures).  As a result, we don't have any code in this
-// destructor, and perhaps this whole class should go away.
-
-class BASE_EXPORT AutoTracking {
- public:
-  AutoTracking() {
-    ThreadData::Initialize();
-  }
-
-  ~AutoTracking() {
-    // TODO(jar): Consider emitting a CSV dump of the data at this point.  This
-    // should be called after the message loops have all terminated (or at least
-    // the main message loop is gone), so there is little chance for additional
-    // tasks to be Run.
-  }
-
- private:
-
-  DISALLOW_COPY_AND_ASSIGN(AutoTracking);
-};
-
 }  // namespace tracked_objects
 
 #endif  // BASE_TRACKED_OBJECTS_H_