[Android O] Initialize channels on first launch/upgrade

chrome/android/java/src/org/chromium/chrome/browser/DeferredStartupHandler.java

 // 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.
 
 package org.chromium.chrome.browser;
 
 import android.content.Context;
 import android.content.SharedPreferences;
 import android.os.AsyncTask;
 import android.os.Looper;
@@ skipping 14 matching lines @@
 import org.chromium.base.VisibleForTesting;
 import org.chromium.base.metrics.RecordHistogram;
 import org.chromium.chrome.browser.bookmarkswidget.BookmarkWidgetProvider;
 import org.chromium.chrome.browser.crash.LogcatExtractionRunnable;
 import org.chromium.chrome.browser.crash.MinidumpUploadService;
 import org.chromium.chrome.browser.init.ProcessInitializationHandler;
 import org.chromium.chrome.browser.locale.LocaleManager;
 import org.chromium.chrome.browser.media.MediaCaptureNotificationService;
 import org.chromium.chrome.browser.metrics.LaunchMetrics;
 import org.chromium.chrome.browser.metrics.UmaUtils;
+import org.chromium.chrome.browser.notifications.ChannelsUpdater;
 import org.chromium.chrome.browser.ntp.NewTabPage;
 import org.chromium.chrome.browser.offlinepages.OfflinePageUtils;
 import org.chromium.chrome.browser.partnerbookmarks.PartnerBookmarksShim;
 import org.chromium.chrome.browser.partnercustomizations.HomepageManager;
 import org.chromium.chrome.browser.partnercustomizations.PartnerBrowserCustomizations;
 import org.chromium.chrome.browser.physicalweb.PhysicalWeb;
 import org.chromium.chrome.browser.precache.PrecacheLauncher;
 import org.chromium.chrome.browser.preferences.ChromePreferenceManager;
 import org.chromium.chrome.browser.share.ShareHelper;
 import org.chromium.chrome.browser.webapps.ChromeWebApkHost;
@@ skipping 148 matching lines @@
                     }
                 });
 
                 PartnerBookmarksShim.kickOffReading(mAppContext);
 
                 PowerMonitor.create();
 
                 ShareHelper.clearSharedImages();
 
                 OfflinePageUtils.clearSharedOfflineFiles(mAppContext);
+
+                if (ChannelsUpdater.getInstance().shouldUpdateChannels()) {
+                    initChannelsAsync();
+                }
             }
         });
 
         mDeferredTasks.add(new Runnable() {
             @Override
             public void run() {
                 // Clear any media notifications that existed when Chrome was last killed.
                 MediaCaptureNotificationService.clearMediaNotifications(mAppContext);
 
                 startModerateBindingManagementIfNeeded();
@@ skipping 29 matching lines @@
             @Override
             public void run() {
                 // Record the saved restore state in a histogram
                 ChromeBackupAgent.recordRestoreHistogram();
             }
         });
 
         ProcessInitializationHandler.getInstance().initializeDeferredStartupTasks();
     }
 
+    private void initChannelsAsync() {
+        new AsyncTask<Void, Void, Void>() {
+            @Override
+            protected Void doInBackground(Void... params) {
+                ChannelsUpdater.getInstance().updateChannels();
+                return null;
+            }
+
+        }
+                .executeOnExecutor(AsyncTask.SERIAL_EXECUTOR);
+    }
+
     private void initAsyncDiskTask() {
         new AsyncTask<Void, Void, Void>() {
             /**
              * The threshold after which it's no longer appropriate to try to attach logcat output
              * to a minidump file.
              * Note: This threshold of 12 hours was chosen fairly imprecisely, based on the
              * following intuition: On the one hand, Chrome can only access its own logcat output,
              * so the most recent lines should be relevant when available. On a typical device,
              * multiple hours of logcat output are available. On the other hand, it's important to
              * provide an escape hatch in case the logcat extraction code itself crashes, as
@@ skipping 195 matching lines @@
     }
 
     /**
      * @return Whether deferred startup has been completed.
      */
     @VisibleForTesting
     public boolean isDeferredStartupCompleteForApp() {
         return mDeferredStartupCompletedForApp;
     }
 }