Update the download summary icon

chrome/android/javatests/src/org/chromium/chrome/browser/download/MockDownloadNotificationService.java

Index: chrome/android/javatests/src/org/chromium/chrome/browser/download/MockDownloadNotificationService.java
diff --git a/chrome/android/javatests/src/org/chromium/chrome/browser/download/MockDownloadNotificationService.java b/chrome/android/javatests/src/org/chromium/chrome/browser/download/MockDownloadNotificationService.java
index 131a25b814e22a783a9fbc1015536b201cefffaf..2018ca7f724eea5a265ae75f03aed4e15bc820e5 100644
--- a/chrome/android/javatests/src/org/chromium/chrome/browser/download/MockDownloadNotificationService.java
+++ b/chrome/android/javatests/src/org/chromium/chrome/browser/download/MockDownloadNotificationService.java
@@ -6,6 +6,7 @@ package org.chromium.chrome.browser.download;
 
 import android.app.Notification;
 import android.content.Context;
+import android.util.Pair;
 
 import org.chromium.base.BuildInfo;
 import org.chromium.base.ThreadUtils;
@@ -55,6 +56,10 @@ public class MockDownloadNotificationService extends DownloadNotificationService
     }
 
     @Override
+    void updateSummaryIcon(
+            int removedNotificationId, Pair<Integer, Notification> addedNotification) {}
+
+    @Override
     void cancelSummaryNotification() {}
 
     @Override