Reporting top cpu and memory consumers via rappor on chromeos

chrome/browser/task_management/task_manager_observer.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_OBSERVER_H_
 #define CHROME_BROWSER_TASK_MANAGEMENT_TASK_MANAGER_OBSERVER_H_
 
 #include <vector>
 
 #include "base/time/time.h"
@@ skipping 12 matching lines @@
   REFRESH_TYPE_CPU               = 1,
   REFRESH_TYPE_MEMORY            = 1 << 1,
   REFRESH_TYPE_GPU_MEMORY        = 1 << 2,
   REFRESH_TYPE_V8_MEMORY         = 1 << 3,
   REFRESH_TYPE_SQLITE_MEMORY     = 1 << 4,
   REFRESH_TYPE_WEBCACHE_STATS    = 1 << 5,
   REFRESH_TYPE_NETWORK_USAGE     = 1 << 6,
   REFRESH_TYPE_NACL              = 1 << 7,
   REFRESH_TYPE_IDLE_WAKEUPS      = 1 << 8,
   REFRESH_TYPE_HANDLES           = 1 << 9,
+  REFRESH_TYPE_PRIORITY          = 1 << 10, // Whether an observer is interested
+                                            // in knowing if a process is
+                                            // foregrounded or backgrounded.
 };
 
 // Defines the interface for observers of the task manager.
 class TaskManagerObserver {
  public:
   // Constructs a TaskManagerObserver given the minimum |refresh_time| that it
   // it requires the task manager to be refreshing the values at, along with the
   // |resources_flags| that it needs to be calculated on each refresh cycle of
   // the task manager (use the above flags in |ResourceType|).
   //
@@ skipping 58 matching lines @@
   // calculated on each refresh.
   int64 desired_resources_flags_;
 
   DISALLOW_COPY_AND_ASSIGN(TaskManagerObserver);
 };
 
 }  // namespace task_management
 
 
 #endif  // CHROME_BROWSER_TASK_MANAGEMENT_TASK_MANAGER_OBSERVER_H_