Merge the code paths for closing different kinds of notifications.

third_party/WebKit/public/platform/modules/notifications/WebNotificationDelegate.h

Index: third_party/WebKit/public/platform/modules/notifications/WebNotificationDelegate.h
diff --git a/third_party/WebKit/public/platform/modules/notifications/WebNotificationDelegate.h b/third_party/WebKit/public/platform/modules/notifications/WebNotificationDelegate.h
index 319d0d331ce75f2fdc0d44c54adf5dbf677e8460..2ca0846da7611f2fac5b5c29cceee3bf1163307e 100644
--- a/third_party/WebKit/public/platform/modules/notifications/WebNotificationDelegate.h
+++ b/third_party/WebKit/public/platform/modules/notifications/WebNotificationDelegate.h
@@ -7,15 +7,16 @@
 
 namespace blink {
 
+class WebString;
+
 // A delegate through which the embedder can trigger events on a Document-bound
 // Web Notifications object. Service Worker-bound Web Notifications will not
 // have a delegate, as their events will be fired on a Service Worker instead.
 class WebNotificationDelegate {
  public:
-  virtual void dispatchClickEvent() = 0;
-  virtual void dispatchShowEvent() = 0;
-  virtual void dispatchErrorEvent() = 0;
-  virtual void dispatchCloseEvent() = 0;
+  virtual void didShowNotification(const WebString& notificationId) = 0;
+  virtual void didClickNotification() = 0;
+  virtual void didCloseNotification() = 0;
 };
 
 }  // namespace blink