Index: ui/views/win/hwnd_message_handler_delegate.h |
diff --git a/ui/views/win/hwnd_message_handler_delegate.h b/ui/views/win/hwnd_message_handler_delegate.h |
index 87b9a96ef7aa968ce16b8845c650dd573c9d7c91..e17bf78eaa690a6a742035e5225542bc51248a1a 100644 |
--- a/ui/views/win/hwnd_message_handler_delegate.h |
+++ b/ui/views/win/hwnd_message_handler_delegate.h |
@@ -233,6 +233,9 @@ class VIEWS_EXPORT HWNDMessageHandlerDelegate { |
// handled by the delegate. |
virtual bool HandleScrollEvent(const ui::ScrollEvent& event) = 0; |
+ // Called when the window size is about to change. |
+ virtual void HandleWindowSizeChanging() = 0; |
+ |
protected: |
virtual ~HWNDMessageHandlerDelegate() {} |
}; |