Introduce the Blink NotificationService, move permission checks there

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

Index: third_party/WebKit/public/platform/modules/notifications/WebNotificationManager.h
diff --git a/third_party/WebKit/public/platform/modules/notifications/WebNotificationManager.h b/third_party/WebKit/public/platform/modules/notifications/WebNotificationManager.h
index 08cd6767c7509d084e97c0b281abce7ecba07923..2f815b3b6f3f671e3be3cebce74d6f6c6483a5b3 100644
--- a/third_party/WebKit/public/platform/modules/notifications/WebNotificationManager.h
+++ b/third_party/WebKit/public/platform/modules/notifications/WebNotificationManager.h
@@ -15,12 +15,6 @@
 
 namespace blink {
 
-namespace mojom {
-namespace blink {
-enum class PermissionStatus;
-}
-}
-
 class WebNotificationDelegate;
 class WebSecurityOrigin;
 class WebServiceWorkerRegistration;
@@ -62,9 +56,6 @@ public:
     // Indicates that the delegate object is being destroyed, and must no longer
     // be used by the embedder to dispatch events.
     virtual void notifyDelegateDestroyed(WebNotificationDelegate*) = 0;
-
-    // Synchronously checks the permission level for the given origin.
-    virtual mojom::blink::PermissionStatus checkPermission(const WebSecurityOrigin&) = 0;
 };
 
 } // namespace blink