[Offline pages] Updates to background scheduling to use BTS

chrome/android/java/src/org/chromium/chrome/browser/offlinepages/BackgroundSchedulerBridge.java

 // 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.
 
 package org.chromium.chrome.browser.offlinepages;
 
 import org.chromium.base.Callback;
 import org.chromium.base.ContextUtils;
 import org.chromium.base.annotations.CalledByNative;
 import org.chromium.base.annotations.JNINamespace;
 
+import java.util.concurrent.TimeUnit;
+
 /**
  * Provides Java scheduling support from native offlining code as
  * well as JNI interface to tell native code to start processing
  * queued requests.
  */
 @JNINamespace("offline_pages::android")
 public class BackgroundSchedulerBridge {
     // Starts processing of one or more queued background requests.
     // Returns whether processing was started and that caller should
     // expect a callback (once processing has completed or terminated).
@@ skipping 13 matching lines @@
      * Stops scheduled processing.
      * @return true, as it always expects to be rescheduled.
      */
     public static boolean stopScheduledProcessing() {
         nativeStopScheduledProcessing();
         return true;
     }
 
     @CalledByNative
     private static void schedule(TriggerConditions triggerConditions) {
-        BackgroundScheduler.getInstance(ContextUtils.getApplicationContext())
-                .schedule(triggerConditions);
+        BackgroundScheduler.getInstance().schedule(triggerConditions);
     }
 
     @CalledByNative
     private static void backupSchedule(TriggerConditions triggerConditions, long delayInSeconds) {
-        BackgroundScheduler.getInstance(ContextUtils.getApplicationContext())
-                .scheduleBackup(triggerConditions, delayInSeconds);
+        BackgroundScheduler.getInstance().scheduleBackup(
+                triggerConditions, TimeUnit.SECONDS.toMillis(delayInSeconds));
     }
 
     @CalledByNative
     private static void unschedule() {
-        BackgroundScheduler.getInstance(ContextUtils.getApplicationContext()).cancel();
+        BackgroundScheduler.getInstance().cancel();
     }
 
     @CalledByNative
     private static boolean getPowerConditions() {
         return DeviceConditions.isPowerConnected(ContextUtils.getApplicationContext());
     }
 
     @CalledByNative
     private static int getBatteryConditions() {
         return DeviceConditions.getBatteryPercentage(ContextUtils.getApplicationContext());
@@ skipping 14 matching lines @@
         return new TriggerConditions(
                 requirePowerConnected, minimumBatteryPercentage, requireUnmeteredNetwork);
     }
 
     /** Instructs the native RequestCoordinator to start processing. */
     private static native boolean nativeStartScheduledProcessing(boolean powerConnected,
             int batteryPercentage, int netConnectionType, Callback<Boolean> callback);
     /** Instructs the native RequestCoordinator to stop processing. */
     private static native void nativeStopScheduledProcessing();
 }