Add support for ordinal scroll amounts

ui/base/events/event_utils.h

Index: ui/base/events/event_utils.h
diff --git a/ui/base/events/event_utils.h b/ui/base/events/event_utils.h
index 49a6b090b208ff45aa9776403ba58b8d855d9cfe..05ce2cd1135e701fd3c7af2f2518cd54c3f3fd76 100644
--- a/ui/base/events/event_utils.h
+++ b/ui/base/events/event_utils.h
@@ -93,6 +93,8 @@ UI_EXPORT float GetTouchForce(const base::NativeEvent& native_event);
 UI_EXPORT bool GetFlingData(const base::NativeEvent& native_event,
                             float* vx,
                             float* vy,
+                            float* vx_ordinal,
+                            float* vy_ordinal,
                             bool* is_cancel);
 
 // Returns whether this is a scroll event and optionally gets the amount to be
@@ -100,6 +102,8 @@ UI_EXPORT bool GetFlingData(const base::NativeEvent& native_event,
 UI_EXPORT bool GetScrollOffsets(const base::NativeEvent& native_event,
                                 float* x_offset,
                                 float* y_offset,
+                                float* x_offset_ordinal,
+                                float* y_offset_ordinal,
                                 int* finger_count);
 
 UI_EXPORT bool GetGestureTimes(const base::NativeEvent& native_event,