Remove the old task manager view

chrome/browser/task_management/task_manager_interface.h

 // Copyright 2015 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_TASK_MANAGEMENT_TASK_MANAGER_INTERFACE_H_
 #define CHROME_BROWSER_TASK_MANAGEMENT_TASK_MANAGER_INTERFACE_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <memory>
 #include <utility>
 
 #include "base/macros.h"
 #include "base/observer_list.h"
 #include "base/process/kill.h"
 #include "base/process/process_handle.h"
 #include "base/time/time.h"
 #include "base/timer/timer.h"
 #include "chrome/browser/task_management/providers/task.h"
 #include "chrome/browser/task_management/task_manager_observer.h"
 #include "third_party/WebKit/public/web/WebCache.h"
 #include "ui/gfx/image/image_skia.h"
 
+class PrefRegistrySimple;
+
 namespace net {
 class URLRequest;
 }  // namespace net
 
 namespace task_management {
 
 // Defines the interface for any implementation of the task manager.
 // Concrete implementations have no control over the refresh rate nor the
 // enabled calculations of the usage of the various resources.
 class TaskManagerInterface {
  public:
+  // Registers the task manager related prefs.
+  static void RegisterPrefs(PrefRegistrySimple* registry);
+
+  // Returns true if the user is allowed to end processes.
+  static bool IsEndProcessEnabled();
+
+#if defined(OS_MACOSX)
+  // On Mac OS, the old task manager is still being used on cocoa.
+  static bool IsNewTaskManagerEnabled();
+#endif  // defined(OS_MACOSX)
+
   // Gets the existing instance of the task manager if any, otherwise it will
   // create it first. Must be called on the UI thread.
   static TaskManagerInterface* GetTaskManager();
 
   // This notification will be received on the IO thread from
   // ChromeNetworkDelegate to update the task manager with network usage.
   static void OnRawBytesRead(const net::URLRequest& request,
                              int64_t bytes_read);
 
   void AddObserver(TaskManagerObserver* observer);
@@ skipping 201 matching lines @@
 
   // The flags containing the enabled resources types calculations.
   int64_t enabled_resources_flags_;
 
   DISALLOW_COPY_AND_ASSIGN(TaskManagerInterface);
 };
 
 }  // namespace task_management
 
 #endif  // CHROME_BROWSER_TASK_MANAGEMENT_TASK_MANAGER_INTERFACE_H_