Add support for ordinal scroll amounts

chrome/browser/ui/views/ash/tab_scrubber_browsertest.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 "chrome/browser/ui/views/ash/tab_scrubber.h"
 
 #include "ash/display/event_transformation_handler.h"
 #include "ash/shell.h"
 #include "base/command_line.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 71 matching lines @@
     aura::test::EventGenerator event_generator(root, window);
     int active_index = browser->tab_strip_model()->active_index();
     TabScrubber::Direction direction = index < active_index ?
         TabScrubber::LEFT : TabScrubber::RIGHT;
     int offset = GetTabCenter(browser, index) -
         GetStartX(browser, active_index, direction);
     ui::ScrollEvent scroll_event(ui::ET_SCROLL,
                                  gfx::Point(0, 0),
                                  ui::EventTimeForNow(),
                                  0,
-                                 offset,
-                                 0,
+                                 offset, 0,
+                                 offset, 0,
                                  3);
     event_generator.Dispatch(&scroll_event);
   }
 
   enum ScrubType {
     EACH_TAB,
     SKIP_TABS,
     REPEAT_TABS,
   };
 
@@ skipping 295 matching lines @@
 IN_PROC_BROWSER_TEST_F(TabScrubberTest, MoveAfter) {
   AddTabs(browser(), 2);
 
   SendScrubEvent(browser(), 1);
   EXPECT_TRUE(TabScrubber::GetInstance()->IsActivationPending());
   browser()->tab_strip_model()->MoveSelectedTabsTo(0);
   EXPECT_EQ(2, TabScrubber::GetInstance()->highlighted_tab());
 }
 
 #endif // OS_CHROMEOS