Profile shouldn't own DesktopNotificationService.

chrome/browser/desktop_notification_handler.cc

Index: chrome/browser/desktop_notification_handler.cc
diff --git a/chrome/browser/desktop_notification_handler.cc b/chrome/browser/desktop_notification_handler.cc
index 8bd2ef2ab5381112ea487b575b4b644eaaadf385..986425a615c42f23910a8f1dbfcb3f472999db03 100644
--- a/chrome/browser/desktop_notification_handler.cc
+++ b/chrome/browser/desktop_notification_handler.cc
@@ -5,6 +5,7 @@
 #include "chrome/browser/desktop_notification_handler.h"
 
 #include "chrome/browser/notifications/desktop_notification_service.h"
+#include "chrome/browser/notifications/desktop_notification_service_factory.h"
 #include "chrome/browser/profiles/profile.h"
 #include "content/browser/renderer_host/render_process_host.h"
 #include "content/browser/renderer_host/render_view_host.h"
@@ -38,7 +39,7 @@ void DesktopNotificationHandler::OnShow(
     const DesktopNotificationHostMsg_Show_Params& params) {
   RenderProcessHost* process = render_view_host()->process();
   DesktopNotificationService* service =
-      process->profile()->GetDesktopNotificationService();
+      DesktopNotificationServiceFactory::GetForProfile(process->profile());
 
   service->ShowDesktopNotification(
     params,
@@ -50,7 +51,7 @@ void DesktopNotificationHandler::OnShow(
 void DesktopNotificationHandler::OnCancel(int notification_id) {
   RenderProcessHost* process = render_view_host()->process();
   DesktopNotificationService* service =
-      process->profile()->GetDesktopNotificationService();
+      DesktopNotificationServiceFactory::GetForProfile(process->profile());
 
   service->CancelDesktopNotification(
       process->id(),
@@ -67,7 +68,7 @@ void DesktopNotificationHandler::OnRequestPermission(
 
   RenderProcessHost* process = render_view_host()->process();
   DesktopNotificationService* service =
-      process->profile()->GetDesktopNotificationService();
+      DesktopNotificationServiceFactory::GetForProfile(process->profile());
   service->RequestPermission(
       source_origin, process->id(), routing_id(), callback_context, NULL);
 }