Update the download summary icon

chrome/android/java/src/org/chromium/chrome/browser/notifications/ChromeNotificationBuilder.java

 // 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.notifications;
 
 import android.app.Notification;
 import android.app.PendingIntent;
 import android.graphics.Bitmap;
 import android.graphics.drawable.Icon;
+import android.os.Bundle;
 import android.support.v4.media.session.MediaSessionCompat;
 import android.widget.RemoteViews;
 
 /**
  * Abstraction over Notification.Builder and NotificationCompat.Builder interfaces.
  *
  * TODO(awdf) Remove this once we've updated to revision 26 of the support library.
  */
 public interface ChromeNotificationBuilder {
     ChromeNotificationBuilder setAutoCancel(boolean autoCancel);
 
     ChromeNotificationBuilder setContentIntent(PendingIntent contentIntent);
 
     ChromeNotificationBuilder setContentTitle(CharSequence title);
 
     ChromeNotificationBuilder setContentText(CharSequence text);
 
     ChromeNotificationBuilder setSmallIcon(int icon);
 
     ChromeNotificationBuilder setSmallIcon(Icon icon);
 
     ChromeNotificationBuilder setTicker(CharSequence text);
 
     ChromeNotificationBuilder setLocalOnly(boolean localOnly);
 
     ChromeNotificationBuilder setGroup(String group);
 
     ChromeNotificationBuilder setGroupSummary(boolean isGroupSummary);
 
+    ChromeNotificationBuilder addExtras(Bundle extras);
+
     ChromeNotificationBuilder setOngoing(boolean ongoing);
 
     ChromeNotificationBuilder setVisibility(int visibility);
 
     ChromeNotificationBuilder setShowWhen(boolean showWhen);
 
     ChromeNotificationBuilder addAction(int icon, CharSequence title, PendingIntent intent);
 
     ChromeNotificationBuilder addAction(Notification.Action action);
 
@@ skipping 27 matching lines @@
 
     ChromeNotificationBuilder setMediaStyle(MediaSessionCompat session, int[] actions,
             PendingIntent intent, boolean showCancelButton);
 
     Notification buildWithBigContentView(RemoteViews bigView);
 
     Notification buildWithBigTextStyle(String bigText);
 
     Notification build();
 }