Allow partial update for notification update API

chrome/browser/notifications/balloon_collection_impl.cc

Index: chrome/browser/notifications/balloon_collection_impl.cc
diff --git a/chrome/browser/notifications/balloon_collection_impl.cc b/chrome/browser/notifications/balloon_collection_impl.cc
index c7d0861331aca9d0e8c5eeb99742dcaa6220534a..f0f4fc6258d2b159940abf66de1ae89e2923d99d 100644
--- a/chrome/browser/notifications/balloon_collection_impl.cc
+++ b/chrome/browser/notifications/balloon_collection_impl.cc
@@ -92,8 +92,9 @@ void BalloonCollectionImpl::Add(const Notification& notification,
   AddImpl(notification, profile, false);
 }
 
-bool BalloonCollectionImpl::DoesIdExist(const std::string& id) {
-  return base_.DoesIdExist(id);
+bool BalloonCollectionImpl::DoesIdExist(const std::string& id,
+                                        Notification* matched_notification) {
+  return base_.DoesIdExist(id, matched_notification);
 }
 
 bool BalloonCollectionImpl::RemoveById(const std::string& id) {