Update the tcmalloc chromium branch to r144 (gperftools 2.0), and merge chromium-specific changes.

chrome/browser/chromeos/status/memory_menu_button.cc

 // 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.
 
 // Note: this file is used by Aura on all linux platforms, even though it
 // is currently in a chromeos specific location.
 
 #include "chrome/browser/chromeos/status/memory_menu_button.h"
 
 #include "base/file_util.h"
 #include "base/process_util.h"  // GetSystemMemoryInfo
 #include "base/stringprintf.h"
 #include "base/threading/thread_restrictions.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/chromeos/view_ids.h"
 #include "chrome/browser/memory_purger.h"
 #include "chrome/common/render_messages.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_types.h"
 #include "content/public/browser/render_process_host.h"
 #include "grit/generated_resources.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/views/controls/menu/menu_runner.h"
 #include "ui/views/widget/widget.h"
 
 #if defined(USE_TCMALLOC)
-#include "third_party/tcmalloc/chromium/src/google/heap-profiler.h"
+#include "third_party/tcmalloc/chromium/src/gperftools/heap-profiler.h"
 #endif
 
 #if defined(USE_TCMALLOC)
 const char kProfileDumpFilePrefix[] = "/tmp/chrome_tcmalloc";
 #endif
 
 namespace {
 
 // views::MenuItemView item ids
 enum {
@@ skipping 234 matching lines @@
         // A kill is a very interesting event, so repaint immediately.
         UpdateText();
       }
       break;
     }
     default:
       NOTREACHED() << L"Received unexpected notification";
       break;
   }
 }