MacViews: Send Mac scrollWheel NSEvents as ui::ET_SCROLL (ui::ScrollEvent).

ui/events/events_default.cc

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/events/event.h"
 #include "ui/events/event_constants.h"
 #include "ui/events/event_utils.h"
 
 namespace ui {
 
@@ skipping 96 matching lines @@
       static_cast<const ui::TouchEvent*>(native_event);
   DCHECK(event->IsTouchEvent());
   return event->rotation_angle();
 }
 
 bool GetScrollOffsets(const base::NativeEvent& native_event,
                       float* x_offset,
                       float* y_offset,
                       float* x_offset_ordinal,
                       float* y_offset_ordinal,
-                      int* finger_count) {
+                      int* finger_count,
+                      EventMomentumPhase* momentum_phase) {
   const ui::ScrollEvent* event =
       static_cast<const ui::ScrollEvent*>(native_event);
   DCHECK(event->IsScrollEvent());
   if (x_offset)
     *x_offset = event->x_offset();
   if (y_offset)
     *y_offset = event->y_offset();
   if (x_offset_ordinal)
     *x_offset_ordinal = event->x_offset_ordinal();
   if (y_offset_ordinal)
     *y_offset_ordinal = event->y_offset_ordinal();
   if (finger_count)
     *finger_count = event->finger_count();
+  if (momentum_phase)
+    *momentum_phase = event->momentum_phase();
 
   return true;
 }
 
 bool GetFlingData(const base::NativeEvent& native_event,
                   float* vx,
                   float* vy,
                   float* vx_ordinal,
                   float* vy_ordinal,
                   bool* is_cancel) {
   const ui::ScrollEvent* event =
       static_cast<const ui::ScrollEvent*>(native_event);
   DCHECK(event->IsScrollEvent());
   if (vx)
     *vx = event->x_offset();
   if (vy)
     *vy = event->y_offset();
   if (vx_ordinal)
     *vx_ordinal = event->x_offset_ordinal();
   if (vy_ordinal)
     *vy_ordinal = event->y_offset_ordinal();
   if (is_cancel)
     *is_cancel = event->type() == ET_SCROLL_FLING_CANCEL;
 
   return true;
 }
 
 }  // namespace ui