Call scheduler when we get a save page later request.

chrome/browser/android/offline_pages/background_scheduler_bridge.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 CHROME_BROWSER_ANDROID_OFFLINE_PAGES_BACKGROUND_SCHEDULER_BRIDGE_H_
 #define CHROME_BROWSER_ANDROID_OFFLINE_PAGES_BACKGROUND_SCHEDULER_BRIDGE_H_
 
 #include "components/offline_pages/background/scheduler.h"
 
 #include "base/android/jni_android.h"
 
 namespace content {
 class BrowserContext;
 }
 
 namespace offline_pages {
 namespace android {
 
 // Bridge between C++ and Java for implementing background scheduler
 // on Android.
-class BackgroundSchedulerBridge : Scheduler {
+class BackgroundSchedulerBridge : public Scheduler {
  public:
   BackgroundSchedulerBridge();
   ~BackgroundSchedulerBridge() override;
 
   // Scheduler implementation.
   void Schedule(const TriggerCondition& trigger_condition) override;
   void Unschedule() override;
 };
 
 bool RegisterBackgroundSchedulerBridge(JNIEnv* env);
 
 }  // namespace android
 }  // namespace offline_pages
 
 #endif  // CHROME_BROWSER_ANDROID_OFFLINE_PAGES_BACKGROUND_SCHEDULER_BRIDGE_H_