Add support for new scroll valuators coming from CMT

ui/ui.gyp

 # Copyright (c) 2011 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.
 
 {
   'variables': {
     'chromium_code': 1,
   },
   'includes': [
     'ui_resources.gypi',
@@ skipping 216 matching lines @@
         'base/win/shell.cc',
         'base/win/shell.h',
         'base/win/window_impl.cc',
         'base/win/window_impl.h',
         'base/x/active_window_watcher_x.cc',
         'base/x/active_window_watcher_x.h',
         'base/x/active_window_watcher_x_observer.h',
         'base/x/events_x.cc',
         'base/x/root_window_property_watcher_x.cc',
         'base/x/root_window_property_watcher_x.h',
+        'base/x/scroll_factory.h',
+        'base/x/scroll_factory.cc',
         'base/x/work_area_watcher_x.cc',
         'base/x/work_area_watcher_x.h',
         'base/x/work_area_watcher_x_observer.h',
         'base/x/x11_util.cc',
         'base/x/x11_util.h',
         'base/x/x11_util_internal.h',
         'gfx/blit.cc',
         'gfx/blit.h',
         'gfx/brush.h',
         'gfx/canvas.cc',
@@ skipping 242 matching lines @@
             'gfx/icon_util.cc',
             'gfx/icon_util.h',
             'gfx/native_theme_win.cc',
             'gfx/native_theme_win.h',
             'gfx/win_util.cc',
             'gfx/win_util.h',
           ],
           'sources!': [
             'base/touch/touch_factory.cc',
             'base/touch/touch_factory.h',
+            'base/x/scroll_factory.h',
+            'base/x/scroll_factory.cc',
             'gfx/pango_util.h',
             'gfx/pango_util.cc',
             'gfx/platform_font_pango.cc',
             'gfx/platform_font_pango.h',
           ],
           'include_dirs': [
             '../',
             '../third_party/wtl/include',
           ],
           'msvs_settings': {
@@ skipping 167 matching lines @@
                 'shutil.copyfile(\'<(ui_copy_target)\', \'<(ui_copy_dest)\'); ' \
                 'os.chmod(\'<(ui_copy_dest)\', 0700)'
               ]
             }
           ],
         },
       ],
     }],
   ],
 }