[NTP Snippets] Schedule periodic fetching

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

Index: chrome/android/java/src/org/chromium/chrome/browser/BackgroundSyncLauncher.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/BackgroundSyncLauncher.java b/chrome/android/java/src/org/chromium/chrome/browser/BackgroundSyncLauncher.java
index ffec5a9a97de86c9519a8307f1eb4e39085b2a62..69537e47bdfe5f4170539e9cfa7588184efb4662 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/BackgroundSyncLauncher.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/BackgroundSyncLauncher.java
@@ -30,6 +30,8 @@ import org.chromium.chrome.browser.externalauth.UserRecoverableErrorHandler;
 public class BackgroundSyncLauncher {
     private static final String TAG = "BgSyncLauncher";
 
+    public static final String TASK_TAG = "BackgroundSync Event";
+
     static final String PREF_BACKGROUND_SYNC_LAUNCH_NEXT_ONLINE = "bgsync_launch_next_online";
     // The instance of BackgroundSyncLauncher currently owned by a C++
     // BackgroundSyncLauncherAndroid, if any. If it is non-null then the browser is running.
@@ -191,8 +193,8 @@ public class BackgroundSyncLauncher {
         // the Play Store. In this case, scheduling the task will fail silently.
         final long minDelaySecs = minDelayMs / 1000;
         OneoffTask oneoff = new OneoffTask.Builder()
-                                    .setService(BackgroundSyncLauncherService.class)
-                                    .setTag("BackgroundSync Event")
+                                    .setService(ChromeBackgroundService.class)
+                                    .setTag(TASK_TAG)
                                     // We have to set a non-zero execution window here
                                     .setExecutionWindow(minDelaySecs, minDelaySecs + 1)
                                     .setRequiredNetwork(Task.NETWORK_STATE_CONNECTED)
@@ -212,7 +214,7 @@ public class BackgroundSyncLauncher {
 
     private static boolean removeScheduledTasks(GcmNetworkManager scheduler) {
         try {
-            scheduler.cancelAllTasks(BackgroundSyncLauncherService.class);
+            scheduler.cancelTask(TASK_TAG, ChromeBackgroundService.class);
         } catch (IllegalArgumentException e) {
             // This occurs when BackgroundSyncLauncherService is not found in the application
             // manifest. This should not happen in code that reaches here, but has been seen in