Start delegating notifications to MessageCenter on Windows.

chrome/browser/notifications/balloon_notification_ui_manager.cc

Index: chrome/browser/notifications/balloon_notification_ui_manager.cc
diff --git a/chrome/browser/notifications/balloon_notification_ui_manager.cc b/chrome/browser/notifications/balloon_notification_ui_manager.cc
index 7fce9dba8354f64f21ffcd70eb09201776c69418..5e4ad15427b382b8bcfb21816482f1afcdff4916 100644
--- a/chrome/browser/notifications/balloon_notification_ui_manager.cc
+++ b/chrome/browser/notifications/balloon_notification_ui_manager.cc
@@ -91,7 +91,7 @@ void BalloonNotificationUIManager::OnBalloonSpaceChanged() {
 }
 
 bool BalloonNotificationUIManager::UpdateNotification(
-    const Notification& notification) {
+    const Notification& notification, Profile* profile) {

[sky, 2013/01/22 19:29:00]

When you wrap each arg on its own line.

[Dmitry Titov, 2013/01/22 21:01:07]

Done.

   const GURL& origin = notification.origin_url();
   const string16& replace_id = notification.replace_id();
 
@@ -101,7 +101,8 @@ bool BalloonNotificationUIManager::UpdateNotification(
       balloon_collection_->GetActiveBalloons();
   for (BalloonCollection::Balloons::const_iterator iter = balloons.begin();
        iter != balloons.end(); ++iter) {
-    if (origin == (*iter)->notification().origin_url() &&
+    if (profile == (*iter)->profile() &&
+        origin == (*iter)->notification().origin_url() &&
         replace_id == (*iter)->notification().replace_id()) {
       (*iter)->Update(notification);
       return true;