+2019-08-15 Tom Tromey <tom@tromey.com>
+
+ * tui/tui-winsource.h (tui_line_is_displayed): Don't declare.
+ * tui/tui-winsource.c (tui_line_is_displayed): Move to
+ tui-source.c.
+ * tui/tui-source.h (struct tui_source_window) <line_is_displayed>:
+ Declare.
+ * tui/tui-source.c (tui_source_window::line_is_displayed): New
+ method.
+ (tui_source_window::maybe_update): Update.
+
2019-08-15 Tom Tromey <tom@tromey.com>
* tui/tui-winsource.h (tui_addr_is_displayed): Don't declare.