[Offline pages] Downloads UI: Adding bridge for issuing notifications

chrome/android/java/src/org/chromium/chrome/browser/download/DownloadBroadcastReceiver.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.download;
 
 import android.app.DownloadManager;
 import android.content.ActivityNotFoundException;
 import android.content.BroadcastReceiver;
 import android.content.ComponentName;
@@ skipping 12 matching lines @@
     @Override
     public void onReceive(final Context context, Intent intent) {
         String action = intent.getAction();
         switch (action) {
             case DownloadManager.ACTION_NOTIFICATION_CLICKED:
                 openDownload(context, intent);
                 break;
             case DownloadNotificationService.ACTION_DOWNLOAD_RESUME:
             case DownloadNotificationService.ACTION_DOWNLOAD_CANCEL:
             case DownloadNotificationService.ACTION_DOWNLOAD_PAUSE:
+            case DownloadNotificationService.ACTION_DOWNLOAD_OPEN:
                 performDownloadOperation(context, intent);
                 break;
             default:
                 break;
         }
     }
 
     /**
      * Called to open a given download item that is downloaded by the android DownloadManager.
      * @param context Context of the receiver.
@@ skipping 32 matching lines @@
      * @param intent Intent retrieved from the notification.
      */
     private void performDownloadOperation(final Context context, Intent intent) {
         if (DownloadNotificationService.isDownloadOperationIntent(intent)) {
             Intent launchIntent = new Intent(intent);
             launchIntent.setComponent(new ComponentName(
                     context.getPackageName(), DownloadNotificationService.class.getName()));
             context.startService(launchIntent);
         }
     }
-}
+}