MacViews: Better layering for the touch selection controller

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,
   },
   'targets': [
     {
       'target_name': 'views',
@@ skipping 290 matching lines @@
         'view_model.cc',
         'view_model.h',
         'view_model_utils.cc',
         'view_model_utils.h',
         'view_targeter.cc',
         'view_targeter.h',
         'views_switches.cc',
         'views_switches.h',
         'views_delegate.cc',
         'views_delegate.h',
+        'views_touch_selection_controller_factory.h',
+        'views_touch_selection_controller_factory_aura.cc',
+        'views_touch_selection_controller_factory_mac.cc',
         'widget/desktop_aura/desktop_capture_client.cc',
         'widget/desktop_aura/desktop_capture_client.h',
         'widget/desktop_aura/desktop_cursor_loader_updater.h',
         'widget/desktop_aura/desktop_cursor_loader_updater_auralinux.cc',
         'widget/desktop_aura/desktop_cursor_loader_updater_auralinux.h',
         'widget/desktop_aura/desktop_cursor_loader_updater_aurawin.cc',
         'widget/desktop_aura/desktop_dispatcher_client.cc',
         'widget/desktop_aura/desktop_dispatcher_client.h',
         'widget/desktop_aura/desktop_drag_drop_client_aurax11.cc',
         'widget/desktop_aura/desktop_drag_drop_client_aurax11.h',
@@ skipping 366 matching lines @@
         }],
         ['use_ozone==1', {
           'sources!': [
             'corewm/capture_controller_unittest.cc',
           ],
         }],
       ],
     },  # target_name: views_unittests
   ],
 }