Browser crashing when closing the WebUI task manager.

chrome/browser/ui/webui/task_manager_handler.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 CHROME_BROWSER_UI_WEBUI_TASK_MANAGER_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_TASK_MANAGER_HANDLER_H_
 #pragma once
 
 #include <vector>
 #include "content/browser/webui/web_ui.h"
@@ skipping 28 matching lines @@
   void HandleKillProcess(const base::ListValue* indexes);
 
   // Callback for the "inspect" message.
   void HandleInspect(const base::ListValue* resource_index);
 
   void EnableTaskManager(const base::ListValue* indexes);
   void DisableTaskManager(const base::ListValue* indexes);
   void OpenAboutMemory(const base::ListValue* indexes);
 
  private:
+  bool is_alive();
+
   // Models
   TaskManager* task_manager_;
   TaskManagerModel* model_;
 
   bool is_enabled_;
 
   // Table to cache the group index of the resource index.
   std::vector<int> resource_to_group_table_;
 
   // Invoked when group(s) are added/changed/removed.
   // These method are called from OnItemAdded/-Changed/-Removed internally.
   void OnGroupAdded(int start, int length);
   void OnGroupChanged(int start, int length);
   void OnGroupRemoved(int start, int length);
 
   // Updates |resource_to_group_table_|.
   void UpdateResourceGroupTable(int start, int length);
 
   DISALLOW_COPY_AND_ASSIGN(TaskManagerHandler);
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_TASK_MANAGER_HANDLER_H_