v4.19.13 snapshot.
diff --git a/tools/perf/ui/browsers/hists.h b/tools/perf/ui/browsers/hists.h
new file mode 100644
index 0000000..91d3e18
--- /dev/null
+++ b/tools/perf/ui/browsers/hists.h
@@ -0,0 +1,38 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _PERF_UI_BROWSER_HISTS_H_
+#define _PERF_UI_BROWSER_HISTS_H_ 1
+
+#include "ui/browser.h"
+
+struct annotation_options;
+
+struct hist_browser {
+ struct ui_browser b;
+ struct hists *hists;
+ struct hist_entry *he_selection;
+ struct map_symbol *selection;
+ struct hist_browser_timer *hbt;
+ struct pstack *pstack;
+ struct perf_env *env;
+ struct annotation_options *annotation_opts;
+ int print_seq;
+ bool show_dso;
+ bool show_headers;
+ float min_pcnt;
+ u64 nr_non_filtered_entries;
+ u64 nr_hierarchy_entries;
+ u64 nr_callchain_rows;
+ bool c2c_filter;
+
+ /* Get title string. */
+ int (*title)(struct hist_browser *browser,
+ char *bf, size_t size);
+};
+
+struct hist_browser *hist_browser__new(struct hists *hists);
+void hist_browser__delete(struct hist_browser *browser);
+int hist_browser__run(struct hist_browser *browser, const char *help,
+ bool warn_lost_event);
+void hist_browser__init(struct hist_browser *browser,
+ struct hists *hists);
+#endif /* _PERF_UI_BROWSER_HISTS_H_ */