Add heap allocator usage to task profiler.

base/profiler/scoped_profile.h

 // Copyright (c) 2011 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_PROFILER_SCOPED_PROFILE_H_
 #define BASE_PROFILER_SCOPED_PROFILE_H_
 
 //------------------------------------------------------------------------------
 // ScopedProfile provides basic helper functions for profiling a short
 // region of code within a scope.  It is separate from the related ThreadData
 // class so that it can be included without much other cruft, and provide the
 // macros listed below.
 
 #include "base/base_export.h"
+#include "base/debug/scoped_thread_heap_usage.h"
 #include "base/location.h"
 #include "base/macros.h"
 #include "base/profiler/tracked_time.h"
 #include "base/tracked_objects.h"
 
 #define PASTE_LINE_NUMBER_ON_NAME(name, line) name##line
 
 #define LINE_BASED_VARIABLE_NAME_FOR_PROFILING                                 \
     PASTE_LINE_NUMBER_ON_NAME(some_profiler_variable_, __LINE__)
 
@@ skipping 24 matching lines @@
     DISABLED,  // Do nothing.
     ENABLED    // Create and tally a task.
   };
 
   ScopedProfile(const Location& location, Mode mode);
   ~ScopedProfile();
 
  private:
   Births* birth_;  // Place in code where tracking started.
   TaskStopwatch stopwatch_;
+  base::debug::HeapUsageTracker heap_usage_;
 
   DISALLOW_COPY_AND_ASSIGN(ScopedProfile);
 };
 
 }  // namespace tracked_objects
 
 #endif  // BASE_PROFILER_SCOPED_PROFILE_H_