[task_manager] Add ARC process whitelist.

chrome/browser/task_manager/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_MANAGER_PROVIDERS_ARC_ARC_PROCESS_TASK_PROVIDER_H_
 #define CHROME_BROWSER_TASK_MANAGER_PROVIDERS_ARC_ARC_PROCESS_TASK_PROVIDER_H_
 
 #include <memory>
 #include <unordered_map>
 #include <vector>
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "base/process/process.h"
 #include "chrome/browser/chromeos/arc/process/arc_process.h"
+#include "chrome/browser/task_manager/providers/arc/arc_process_filter.h"
 #include "chrome/browser/task_manager/providers/arc/arc_process_task.h"
 #include "chrome/browser/task_manager/providers/task_provider.h"
 
 namespace task_manager {
 
 // This provides the ARC process tasks.
 //
 // Since this provider obtains ARC process information via IPC and procfs,
 // it can never avoid race conditions. For example, in an extreme case such as
 // fork(2) is called millions of times in a second, this provider can return
@@ skipping 31 matching lines @@
 
   void ScheduleNextAppRequest();
   void ScheduleNextSystemRequest();
 
   ArcTaskMap nspid_to_task_;
   ArcTaskMap nspid_to_sys_task_;
 
   // Whether to continue the periodical polling.
   bool is_updating_;
 
+  // Filters out ARC processes that are not useful to display.
+  // See crbug.com/654564
+  const ArcProcessFilter process_filter_;
+
   // 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_manager
 
 #endif  // CHROME_BROWSER_TASK_MANAGER_PROVIDERS_ARC_ARC_PROCESS_TASK_PROVIDER_H_