perf ui: Rename ui_progress to ui_progress_ops

Reserving 'struct ui_progress' to the per progress instances, not to the
particular set of operations used to implmenet a progress bar in the
current UI (GTK, TUI, etc).

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-zjqbfp9gx3yo45s0rp9uv42n@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/ui/progress.h b/tools/perf/ui/progress.h
index 257cc22..d41bde5 100644
--- a/tools/perf/ui/progress.h
+++ b/tools/perf/ui/progress.h
@@ -3,14 +3,12 @@
 
 #include <../types.h>
 
-struct ui_progress {
+struct ui_progress_ops {
 	void (*update)(u64, u64, const char *);
 	void (*finish)(void);
 };
 
-extern struct ui_progress *progress_fns;
-
-void ui_progress__init(void);
+extern struct ui_progress_ops *ui_progress__ops;
 
 void ui_progress__update(u64 curr, u64 total, const char *title);
 void ui_progress__finish(void);