Use the Blink PermissionStatus variant for notifications in Blink

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 1e6ced998917d81643b2eb59103767b23398ac53..08cd6767c7509d084e97c0b281abce7ecba07923 100644
--- a/third_party/WebKit/public/platform/modules/notifications/WebNotificationManager.h
+++ b/third_party/WebKit/public/platform/modules/notifications/WebNotificationManager.h
@@ -16,8 +16,10 @@
 namespace blink {
 
 namespace mojom {
+namespace blink {
 enum class PermissionStatus;
 }
+}
 
 class WebNotificationDelegate;
 class WebSecurityOrigin;
@@ -62,7 +64,7 @@ public:
     virtual void notifyDelegateDestroyed(WebNotificationDelegate*) = 0;
 
     // Synchronously checks the permission level for the given origin.
-    virtual mojom::PermissionStatus checkPermission(const WebSecurityOrigin&) = 0;
+    virtual mojom::blink::PermissionStatus checkPermission(const WebSecurityOrigin&) = 0;
 };
 
 } // namespace blink