Introduce the Blink NotificationService, move permission checks there

third_party/WebKit/Source/modules/notifications/ServiceWorkerRegistrationNotifications.cpp

Index: third_party/WebKit/Source/modules/notifications/ServiceWorkerRegistrationNotifications.cpp
diff --git a/third_party/WebKit/Source/modules/notifications/ServiceWorkerRegistrationNotifications.cpp b/third_party/WebKit/Source/modules/notifications/ServiceWorkerRegistrationNotifications.cpp
index de86cd3593d26705f95adf2c14f0c6988a3e0085..d5967e457a6888f55ba9fcae1cb7b90a0118e681 100644
--- a/third_party/WebKit/Source/modules/notifications/ServiceWorkerRegistrationNotifications.cpp
+++ b/third_party/WebKit/Source/modules/notifications/ServiceWorkerRegistrationNotifications.cpp
@@ -11,6 +11,7 @@
 #include "modules/notifications/GetNotificationOptions.h"
 #include "modules/notifications/Notification.h"
 #include "modules/notifications/NotificationData.h"
+#include "modules/notifications/NotificationManager.h"
 #include "modules/notifications/NotificationOptions.h"
 #include "modules/notifications/NotificationResourcesLoader.h"
 #include "modules/serviceworkers/ServiceWorkerRegistration.h"
@@ -60,7 +61,7 @@ ScriptPromise ServiceWorkerRegistrationNotifications::showNotification(ScriptSta
         return ScriptPromise::reject(scriptState, V8ThrowException::createTypeError(scriptState->isolate(), "No active registration available on the ServiceWorkerRegistration."));
 
     // If permission for notification's origin is not "granted", reject promise with a TypeError exception, and terminate these substeps.
-    if (Notification::checkPermission(executionContext) != mojom::blink::PermissionStatus::GRANTED)
+    if (NotificationManager::from(executionContext)->permissionStatus() != mojom::blink::PermissionStatus::GRANTED)
         return ScriptPromise::reject(scriptState, V8ThrowException::createTypeError(scriptState->isolate(), "No notification permission has been granted for this origin."));
 
     // Validate the developer-provided values to get a WebNotificationData object.