[Offline pages] Updates to background scheduling to use BTS

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

Index: chrome/android/java/src/org/chromium/chrome/browser/offlinepages/BackgroundGcmScheduler.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/offlinepages/BackgroundGcmScheduler.java b/chrome/android/java/src/org/chromium/chrome/browser/offlinepages/BackgroundGcmScheduler.java
deleted file mode 100644
index c01c3fa95cba603a29e2b7b95bc80d8fa5304444..0000000000000000000000000000000000000000
--- a/chrome/android/java/src/org/chromium/chrome/browser/offlinepages/BackgroundGcmScheduler.java
+++ /dev/null
@@ -1,68 +0,0 @@
-// Copyright 2017 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 android.content.Context;
-import android.os.Bundle;
-
-import com.google.android.gms.common.ConnectionResult;
-import com.google.android.gms.common.GoogleApiAvailability;
-import com.google.android.gms.gcm.GcmNetworkManager;
-import com.google.android.gms.gcm.OneoffTask;
-import com.google.android.gms.gcm.Task;
-
-import org.chromium.chrome.browser.ChromeBackgroundService;
-
-/**
- * The background scheduler class is for setting GCM Network Manager tasks.
- */
-public class BackgroundGcmScheduler extends BackgroundScheduler {
-    public BackgroundGcmScheduler(Context context) {
-        super(context);
-    }
-
-    @Override
-    public void cancel() {
-        GcmNetworkManager gcmNetworkManager = getGcmNetworkManager();
-        if (gcmNetworkManager == null) return;
-        gcmNetworkManager.cancelTask(OfflinePageUtils.TASK_TAG, ChromeBackgroundService.class);
-    }
-
-    @Override
-    protected void scheduleImpl(TriggerConditions triggerConditions, long delayStartSeconds,
-            long executionDeadlineSeconds, boolean overwrite) {
-        GcmNetworkManager gcmNetworkManager = getGcmNetworkManager();
-        if (gcmNetworkManager == null) return;
-
-        Bundle taskExtras = new Bundle();
-        TaskExtrasPacker.packTimeInBundle(taskExtras);
-        TaskExtrasPacker.packHoldWakelock(taskExtras);
-        TaskExtrasPacker.packTriggerConditionsInBundle(taskExtras, triggerConditions);
-
-        Task task = new OneoffTask.Builder()
-                            .setService(ChromeBackgroundService.class)
-                            .setExecutionWindow(delayStartSeconds, executionDeadlineSeconds)
-                            .setTag(OfflinePageUtils.TASK_TAG)
-                            .setUpdateCurrent(overwrite)
-                            .setRequiredNetwork(triggerConditions.requireUnmeteredNetwork()
-                                            ? Task.NETWORK_STATE_UNMETERED
-                                            : Task.NETWORK_STATE_CONNECTED)
-                            .setRequiresCharging(triggerConditions.requirePowerConnected())
-                            .setPersisted(true)
-                            .setExtras(taskExtras)
-                            .build();
-
-        // Schedule a task using GCM network manager.
-        gcmNetworkManager.schedule(task);
-    }
-
-    private GcmNetworkManager getGcmNetworkManager() {
-        if (GoogleApiAvailability.getInstance().isGooglePlayServicesAvailable(getContext())
-                == ConnectionResult.SUCCESS) {
-            return GcmNetworkManager.getInstance(getContext());
-        }
-        return null;
-    }
-}