Upstream: Extract "WebAPK service" implementation from Chrome APK

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.os.AsyncTask;
 import android.os.SystemClock;
 import android.text.TextUtils;
 
+import org.chromium.base.CommandLine;
 import org.chromium.base.FieldTrialList;
 import org.chromium.base.PowerMonitor;
 import org.chromium.base.SysUtils;
 import org.chromium.base.ThreadUtils;
 import org.chromium.base.TraceEvent;
 import org.chromium.base.VisibleForTesting;
 import org.chromium.base.metrics.RecordHistogram;
 import org.chromium.chrome.browser.bookmarkswidget.BookmarkWidgetProvider;
 import org.chromium.chrome.browser.crash.CrashFileManager;
 import org.chromium.chrome.browser.crash.MinidumpUploadService;
 import org.chromium.chrome.browser.media.MediaCaptureNotificationService;
 import org.chromium.chrome.browser.metrics.UmaUtils;
 import org.chromium.chrome.browser.partnerbookmarks.PartnerBookmarksShim;
 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.preferences.privacy.PrivacyPreferencesManager;
 import org.chromium.chrome.browser.share.ShareHelper;
+import org.chromium.chrome.browser.webapps.WebApkVersionManager;
 import org.chromium.content.browser.ChildProcessLauncher;
 
 import java.util.concurrent.TimeUnit;
 
 /**
  * Handler for application level tasks to be completed on deferred startup.
  */
 public class DeferredStartupHandler {
     private static DeferredStartupHandler sDeferredStartupHandler;
     private boolean mDeferredStartupComplete;
@@ skipping 50 matching lines @@
                             ChromePreferenceManager.getInstance(application));
 
                     // Force a widget refresh in order to wake up any possible zombie widgets.
                     // This is needed to ensure the right behavior when the process is suddenly
                     // killed.
                     BookmarkWidgetProvider.refreshAllWidgets(application);
 
                     // Initialize whether or not precaching is enabled.
                     PrecacheLauncher.updatePrecachingEnabled(application);
 
+                    if (CommandLine.getInstance().hasSwitch(ChromeSwitches.ENABLE_WEBAPK)) {
+                        WebApkVersionManager.updateWebApksIfNeeded();
+                    }
+
                     return null;
                 } finally {
                     TraceEvent.end("ChromeBrowserInitializer.onDeferredStartup.doInBackground");
                 }
             }
         }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
 
         AfterStartupTaskUtils.setStartupComplete();
 
         // TODO(aruslan): http://b/6397072 This will be moved elsewhere
@@ skipping 47 matching lines @@
     }
 
     /**
     * @return Whether deferred startup has been completed.
     */
     @VisibleForTesting
     public boolean isDeferredStartupComplete() {
         return mDeferredStartupComplete;
     }
 }