window: Add an accessor for whether the window can close
The shell will use this to determine whether to show a close button in the overview. https://bugzilla.gnome.org/show_bug.cgi?id=699269
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@@ -237,4 +237,6 @@ void meta_window_begin_grab_op (MetaWindow *window,
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gboolean frame_action,
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guint32 timestamp);
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gboolean meta_window_can_close (MetaWindow *window);
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#endif
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