Remove the strict dependency on WebContents for Web Notifications.

chrome/browser/notifications/desktop_notification_service.h

Index: chrome/browser/notifications/desktop_notification_service.h
diff --git a/chrome/browser/notifications/desktop_notification_service.h b/chrome/browser/notifications/desktop_notification_service.h
index ca71f572935e3bb6841c20a7dfbecbd2626cf105..dd5edc52f4dfb43a45567efd073b8cad219a21c5 100644
--- a/chrome/browser/notifications/desktop_notification_service.h
+++ b/chrome/browser/notifications/desktop_notification_service.h
@@ -36,7 +36,6 @@ class Profile;
 
 namespace content {
 class DesktopNotificationDelegate;
-class RenderFrameHost;
 struct ShowDesktopNotificationHostMsgParams;
 }
 
@@ -90,7 +89,6 @@ class DesktopNotificationService
   // a callback which can be used to cancel the notification.
   void ShowDesktopNotification(
       const content::ShowDesktopNotificationHostMsgParams& params,
-      content::RenderFrameHost* render_frame_host,
       scoped_ptr<content::DesktopNotificationDelegate> delegate,
       base::Closure* cancel_callback);
 
@@ -107,11 +105,10 @@ class DesktopNotificationService
   void ShowWelcomeNotificationIfNecessary(const Notification& notification);
 
  private:
-  // Returns a display name for an origin in the process id, to be used in
-  // permission infobar or on the frame of the notification toast.  Different
-  // from the origin itself when dealing with extensions.
-  base::string16 DisplayNameForOriginInProcessId(const GURL& origin,
-                                                 int process_id);
+  // Returns a display name for an origin, to be used in the permission request
+  // or on the frame of the notification toast. Different from the origin itself
+  // when dealing with extensions.
+  base::string16 DisplayNameForOrigin(const GURL& origin);
 
   // Called when the string list pref has been changed.
   void OnStringListPrefChanged(