Add support for ordinal scroll amounts

ui/views/widget/widget_unittest.cc

 // Copyright (c) 2012 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 "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
 #include "base/utf_string_conversions.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/base/events/event_utils.h"
@@ skipping 1299 matching lines @@
   focused_view->RequestFocus();
   EXPECT_TRUE(focused_view->HasFocus());
 
   // Generate a scroll event on the cursor view. The focused view will receive a
   // wheel event, but since it doesn't process the event, the view under the
   // cursor will receive the wheel event.
   ui::ScrollEvent scroll(ui::ET_SCROLL,
                          gfx::Point(65, 5),
                          ui::EventTimeForNow(),
                          0,
-                         0,
-                         20,
+                         0, 20,
+                         0, 20,
                          2);
   widget->OnScrollEvent(&scroll);
 
   EXPECT_EQ(0, focused_view->GetEventCount(ui::ET_SCROLL));
   EXPECT_EQ(1, focused_view->GetEventCount(ui::ET_MOUSEWHEEL));
 
   EXPECT_EQ(1, cursor_view->GetEventCount(ui::ET_SCROLL));
   EXPECT_EQ(1, cursor_view->GetEventCount(ui::ET_MOUSEWHEEL));
 
   focused_view->ResetCounts();
   cursor_view->ResetCounts();
 
   ui::ScrollEvent scroll2(ui::ET_SCROLL,
                           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));
   EXPECT_EQ(1, focused_view->GetEventCount(ui::ET_MOUSEWHEEL));
 
   EXPECT_EQ(0, cursor_view->GetEventCount(ui::ET_SCROLL));
   EXPECT_EQ(0, cursor_view->GetEventCount(ui::ET_MOUSEWHEEL));
 
   widget->CloseNow();
 }
@@ skipping 55 matching lines @@
     EXPECT_EQ(1, scroll_view->GetEventCount(ui::ET_GESTURE_SCROLL_BEGIN));
     EXPECT_EQ(1, scroll_view->GetEventCount(ui::ET_GESTURE_SCROLL_UPDATE));
     EXPECT_EQ(1, scroll_view->GetEventCount(ui::ET_GESTURE_SCROLL_END));
   }
 
   widget->CloseNow();
 }
 
 }  // namespace
 }  // namespace views