REGRESSION(r214194): Safari leaves a popup window open opened during before unload
[WebKit-https.git] / Source / WebCore / page / MainFrame.h
index 4e7985a..5a75c5a 100644 (file)
@@ -92,6 +92,9 @@ private:
 #endif
 
     std::unique_ptr<PerformanceLogging> m_performanceLogging;
+
+    unsigned m_navigationDisableCount { 0 };
+    friend class NavigationDisabler;
 };
 
 } // namespace WebCore