Index: third_party/WebKit/Source/core/dom/Document.h |
diff --git a/third_party/WebKit/Source/core/dom/Document.h b/third_party/WebKit/Source/core/dom/Document.h |
index c13baa73ea10ee32bdfa423596af15c784038257..5675f5ccabb7b0c65f4ebc8118a0fc14e33b1839 100644 |
--- a/third_party/WebKit/Source/core/dom/Document.h |
+++ b/third_party/WebKit/Source/core/dom/Document.h |
@@ -874,6 +874,7 @@ public: |
BeforeUnloadEventInProgress, |
BeforeUnloadEventCompleted, |
PageHideInProgress, |
+ UnloadVisibilityChangeInProgress, |
UnloadEventInProgress, |
UnloadEventHandled |
}; |