NotificationObjectProxy should own the DesktopNotificationDelegateImpl

chrome/browser/chrome_content_browser_client.cc

Index: chrome/browser/chrome_content_browser_client.cc
diff --git a/chrome/browser/chrome_content_browser_client.cc b/chrome/browser/chrome_content_browser_client.cc
index 918dd04f2a40139730d3867c91528d5d467fbeea..88351121395dbec9e7d3929afd7b2e85f99338d0 100644
--- a/chrome/browser/chrome_content_browser_client.cc
+++ b/chrome/browser/chrome_content_browser_client.cc
@@ -104,6 +104,7 @@
 #include "content/public/browser/browser_url_handler.h"
 #include "content/public/browser/child_process_data.h"
 #include "content/public/browser/child_process_security_policy.h"
+#include "content/public/browser/desktop_notification_delegate.h"
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_view_host.h"
@@ -1883,7 +1884,7 @@ ChromeContentBrowserClient::CheckDesktopNotificationPermission(
 void ChromeContentBrowserClient::ShowDesktopNotification(
     const content::ShowDesktopNotificationHostMsgParams& params,
     RenderFrameHost* render_frame_host,
-    content::DesktopNotificationDelegate* delegate,
+    scoped_ptr<content::DesktopNotificationDelegate> delegate,
     base::Closure* cancel_callback) {
 #if defined(ENABLE_NOTIFICATIONS)
   content::RenderProcessHost* process = render_frame_host->GetProcess();
@@ -1891,7 +1892,7 @@ void ChromeContentBrowserClient::ShowDesktopNotification(
   DesktopNotificationService* service =
       DesktopNotificationServiceFactory::GetForProfile(profile);
   service->ShowDesktopNotification(
-      params, render_frame_host, delegate, cancel_callback);
+      params, render_frame_host, delegate.Pass(), cancel_callback);
 
   profile->GetHostContentSettingsMap()->UpdateLastUsage(
       params.origin, params.origin, CONTENT_SETTINGS_TYPE_NOTIFICATIONS);