Index: apps/ui/native_app_window.h |
diff --git a/apps/ui/native_app_window.h b/apps/ui/native_app_window.h |
index cde4c1dfad8102de7ce4b484e60c1fcc30e9e5b5..fd0cc2633718e7523be5e5edf81fc7dfcffe44f6 100644 |
--- a/apps/ui/native_app_window.h |
+++ b/apps/ui/native_app_window.h |
@@ -87,6 +87,10 @@ class NativeAppWindow : public ui::BaseWindow, |
virtual void SetContentSizeConstraints(const gfx::Size& min_size, |
const gfx::Size& max_size) = 0; |
+ // Returns false if the underlying native window ignores alpha transparency |
+ // when compositing. |
+ virtual bool CanHaveAlphaEnabled() const = 0; |
+ |
virtual ~NativeAppWindow() {} |
}; |