use offline bolt icon for download completion notification

chrome/android/java/src/org/chromium/chrome/browser/download/DownloadNotificationService.java

Index: chrome/android/java/src/org/chromium/chrome/browser/download/DownloadNotificationService.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/download/DownloadNotificationService.java b/chrome/android/java/src/org/chromium/chrome/browser/download/DownloadNotificationService.java
index eb3b4f1521ce0f40866071af50dcc26539ee3b7f..652db30b92808323e54534392d646bc1a95fcce9 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/download/DownloadNotificationService.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/download/DownloadNotificationService.java
@@ -335,7 +335,7 @@ public class DownloadNotificationService extends Service {
             String downloadGuid, String fileName, long systemDownloadId, boolean isOfflinePage) {
         int notificationId = getNotificationId(downloadGuid);
         NotificationCompat.Builder builder = buildNotification(
-                android.R.drawable.stat_sys_download_done, fileName,
+                R.drawable.offline_pin, fileName,
                 mContext.getResources().getString(R.string.download_notification_completed));
         ComponentName component = new ComponentName(
                 mContext.getPackageName(), DownloadBroadcastReceiver.class.getName());