Move gesture/touch UMA logs into gesture provider

ui/events/gesture_detection/gesture_provider.h

Index: ui/events/gesture_detection/gesture_provider.h
diff --git a/ui/events/gesture_detection/gesture_provider.h b/ui/events/gesture_detection/gesture_provider.h
index 63bb90d915dc33fa3eea5eaa19f986ffae7988c3..74749677133d7d3832bec5918a7c71248607052c 100644
--- a/ui/events/gesture_detection/gesture_provider.h
+++ b/ui/events/gesture_detection/gesture_provider.h
@@ -10,6 +10,7 @@
 #include "ui/events/gesture_detection/gesture_detection_export.h"
 #include "ui/events/gesture_detection/gesture_detector.h"
 #include "ui/events/gesture_detection/gesture_event_data.h"
+#include "ui/events/gesture_detection/gesture_touch_uma_histogram.h"
 #include "ui/events/gesture_detection/scale_gesture_detector.h"
 #include "ui/events/gesture_detection/snap_scroll_controller.h"
 #include "ui/gfx/display.h"
@@ -101,6 +102,9 @@ class GESTURE_DETECTION_EXPORT GestureProvider {
 
   scoped_ptr<MotionEvent> current_down_event_;
 
+  // Logs information on touch and gesture events.
+  GestureTouchUMAHistogram uma_histogram_;
+
   // Whether double-tap gesture detection is currently supported.
   bool double_tap_support_for_page_;
   bool double_tap_support_for_platform_;