Always get device conditions from Java for every attempt.

components/offline_pages/core/background/scheduler.h

 // Copyright 2016 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 COMPONENTS_OFFLINE_PAGES_CORE_BACKGROUND_SCHEDULER_H_
 #define COMPONENTS_OFFLINE_PAGES_CORE_BACKGROUND_SCHEDULER_H_
 
+#include "components/offline_pages/core/background/device_conditions.h"
+
 namespace offline_pages {
 
 // Interface of a class responsible for scheduling a task to initiate
 // processing of background offlining requests upon select system conditions
 // (such as having a network connection).
 class Scheduler {
  public:
   // Defines a set of system conditions to trigger background processing.
   struct TriggerConditions {
     TriggerConditions(bool power, int battery, bool unmetered)
@@ skipping 15 matching lines @@
   virtual void Schedule(const TriggerConditions& trigger_conditions) = 0;
 
   // Schedules the triggering of a task in case Chromium is killed,
   // so we can continue processing background download requests.  This will
   // not overwrite existing tasks.
   virtual void BackupSchedule(const TriggerConditions& trigger_conditions,
                               long delay_in_seconds) = 0;
 
   // Unschedules the currently scheduled task, if any.
   virtual void Unschedule() = 0;
+
+  // Get the current device conditions from the android APIs.
+  virtual const DeviceConditions& GetCurrentDeviceConditions() = 0;
 };
 
 }  // namespace offline_pages
 
 #endif  // COMPONENTS_OFFLINE_PAGES_CORE_BACKGROUND_SCHEDULER_H_