Add support for ordinal scroll amounts

ui/views/widget/widget_unittest.cc

Index: ui/views/widget/widget_unittest.cc
diff --git a/ui/views/widget/widget_unittest.cc b/ui/views/widget/widget_unittest.cc
index ffac6175560b2b46fd5784ffd661e0516887fa99..257f08e26a61bf3a82c92228e18dbc355d1880fb 100644
--- a/ui/views/widget/widget_unittest.cc
+++ b/ui/views/widget/widget_unittest.cc
@@ -1317,8 +1317,8 @@ TEST_F(WidgetTest, WheelEventsFromScrollEventTarget) {
                          gfx::Point(65, 5),
                          ui::EventTimeForNow(),
                          0,
-                         0,
-                         20,
+                         0, 20,
+                         0, 20,
                          2);
   widget->OnScrollEvent(&scroll);
 
@@ -1335,8 +1335,8 @@ TEST_F(WidgetTest, WheelEventsFromScrollEventTarget) {
                           gfx::Point(5, 5),
                           ui::EventTimeForNow(),
                           0,
-                          0,
-                          20,
+                          0, 20,
+                          0, 20,
                           2);
   widget->OnScrollEvent(&scroll2);
   EXPECT_EQ(1, focused_view->GetEventCount(ui::ET_SCROLL));