Show all system process in the task_manager.

chrome/browser/task_management/providers/arc/arc_process_task_provider.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_PROVIDERS_ARC_ARC_PROCESS_TASK_PROVIDER_H_
 #define CHROME_BROWSER_TASK_MANAGEMENT_PROVIDERS_ARC_ARC_PROCESS_TASK_PROVIDER_H_
 
 #include <map>
 #include <memory>
 #include <set>
@@ skipping 22 matching lines @@
  public:
   ArcProcessTaskProvider();
   ~ArcProcessTaskProvider() override;
 
   // task_management::TaskProvider:
   Task* GetTaskOfUrlRequest(int origin_pid,
                             int child_id,
                             int route_id) override;
 
  private:
+  using ScheduleNextRequest = base::Callback<void(void)>;
+
   // Auto-retry if ARC bridge service is not ready.
-  void RequestProcessList();
+  void RequestAppProcessList();
+  void RequestSystemProcessList();
 
-  void OnUpdateProcessList(const std::vector<arc::ArcProcess>& processes);
+  void UpdateAppProcessList(const std::vector<arc::ArcProcess>& processes);
+  void UpdateSystemProcessList(const std::vector<arc::ArcProcess>& processes);
+  void OnUpdateAppProcessList(const std::vector<arc::ArcProcess>& processes);
+  void OnUpdateSystemProcessList(const std::vector<arc::ArcProcess>& processes);
 
   // task_management::TaskProvider:
   void StartUpdating() override;
   void StopUpdating() override;
 
-  void ScheduleNextRequest();
+  void ScheduleNextAppRequest();
+  void ScheduleNextSystemRequest();
 
   std::map<base::ProcessId, std::unique_ptr<ArcProcessTask>> nspid_to_task_;
+  std::map<base::ProcessId, std::unique_ptr<ArcProcessTask>> pid_to_sys_task_;
 
   // Whether to continue the periodical polling.
   bool is_updating_;
 
   // Always keep this the last member of this class to make sure it's the
   // first thing to be destructed.
   base::WeakPtrFactory<ArcProcessTaskProvider> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ArcProcessTaskProvider);
 };
 
 }  // namespace task_management
 
 #endif  // CHROME_BROWSER_TASK_MANAGEMENT_PROVIDERS_ARC_ARC_PROCESS_TASK_PROVIDER_H_