Delete the WebUI implementation of the task manager.

chrome/browser/ui/webui/task_manager/task_manager_handler.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 CHROME_BROWSER_UI_WEBUI_TASK_MANAGER_TASK_MANAGER_HANDLER_H_
-#define CHROME_BROWSER_UI_WEBUI_TASK_MANAGER_TASK_MANAGER_HANDLER_H_
-
-#include <set>
-#include <string>
-#include <vector>
-
-#include "content/public/browser/web_ui_message_handler.h"
-#include "chrome/browser/task_manager/task_manager.h"
-
-namespace base {
-class ListValue;
-class Value;
-}
-
-class TaskManagerHandler : public content::WebUIMessageHandler,
-                           public TaskManagerModelObserver {
- public:
-  explicit TaskManagerHandler(TaskManager* tm);
-  virtual ~TaskManagerHandler();
-
-  // TaskManagerModelObserver implementation.
-  // Invoked when the model has been completely changed.
-  virtual void OnModelChanged() OVERRIDE;
-  // Invoked when a range of items has changed.
-  virtual void OnItemsChanged(int start, int length) OVERRIDE;
-  // Invoked when new items are added.
-  virtual void OnItemsAdded(int start, int length) OVERRIDE;
-  // Invoked when a range of items has been removed.
-  virtual void OnItemsRemoved(int start, int length) OVERRIDE;
-
-  // Invoked when the initialization of the model has been finished and
-  // periodic updates is started.
-  virtual void OnReadyPeriodicalUpdate() OVERRIDE;
-
-  // WebUIMessageHandler implementation.
-  virtual void RegisterMessages() OVERRIDE;
-
-  // Callback for the "killProcesses" message.
-  void HandleKillProcesses(const base::ListValue* indexes);
-
-  // Callback for the "activatePage" message.
-  void HandleActivatePage(const base::ListValue* resource_index);
-
-  // 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);
-
-  // Callback for the "setUpdateColumn" message.
-  void HandleSetUpdateColumn(const base::ListValue* args);
-
- private:
-  bool is_alive();
-
-  // Models
-  TaskManager* task_manager_;
-  TaskManagerModel* model_;
-
-  bool is_enabled_;
-
-  // Set to store the enabled columns.
-  std::set<std::string> enabled_columns_;
-
-  // 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);
-
-  // Creates or updates information for a single task group. A task group is a
-  // group of tasks associated with a single process ID. |group_index| is the
-  // integer index of the target process within the data model.
-  base::DictionaryValue* CreateTaskGroupValue(int group_index);
-
-  // Creates a list of values to display within a single column of the task
-  // manager for a single task group. |columnn_name| is the name of the column.
-  // |index| is the index of the resources associated with a process group.
-  // |length| is the number of values associated with the group, and is either
-  // 1 if all tasks within the group share a common value or equal to the
-  // number of tasks within the group.
-  void CreateGroupColumnList(const std::string& column_name,
-                             const int index,
-                             const int length,
-                             base::DictionaryValue* val);
-
-  // Retrieves the value of a property for a single task. |column_name| is the
-  // name of the property, which is associated with a column within the task
-  // manager or "about memory" page. |i| is the index of the task. Tasks are
-  // grouped by process ID, and the index of the task is the sum of the group
-  // offset and the index of the task within the group.
-  base::Value* CreateColumnValue(const std::string& column_name,
-                                 const int i);
-
-  DISALLOW_COPY_AND_ASSIGN(TaskManagerHandler);
-};
-
-#endif  // CHROME_BROWSER_UI_WEBUI_TASK_MANAGER_TASK_MANAGER_HANDLER_H_