Support touch scroll gestures in menus.

ui/views/views.gyp

 # 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.
 {
   'variables': {
     'chromium_code': 1,
   },
 
   'target_defaults': {
     'conditions': [
@@ skipping 33 matching lines @@
         'VIEWS_IMPLEMENTATION',
       ],
       'sources': [
         # All .cc, .h under views, except unittests
         'accessibility/native_view_accessibility_win.cc',
         'accessibility/native_view_accessibility_win.h',
         'accessible_pane_view.cc',
         'accessible_pane_view.h',
         'animation/bounds_animator.cc',
         'animation/bounds_animator.h',
+        'animation/scroll_animator.cc',
+        'animation/scroll_animator.h',
         'background.cc',
         'background.h',
         'border.cc',
         'border.h',
         'bubble/bubble_border.cc',
         'bubble/bubble_border.h',
         'bubble/bubble_delegate.cc',
         'bubble/bubble_delegate.h',
         'bubble/bubble_frame_view.cc',
         'bubble/bubble_frame_view.h',
@@ skipping 672 matching lines @@
           'msvs_settings': {
             'VCManifestTool': {
               'AdditionalManifestFiles': 'examples\\views_examples.exe.manifest',
             },
           },
         }],
       ],
     },  # target_name: views_examples_lib
   ],
 }