Set up new desktop classes.

ui/views/views.gyp

Index: ui/views/views.gyp
===================================================================
--- ui/views/views.gyp	(revision 154498)
+++ ui/views/views.gyp	(working copy)
@@ -315,8 +315,13 @@
         'widget/child_window_message_processor.h',
         'widget/default_theme_provider.cc',
         'widget/default_theme_provider.h',
+        'widget/desktop_native_widget_aura.cc',
+        'widget/desktop_native_widget_aura.h',
         'widget/desktop_native_widget_helper_aura.cc',
         'widget/desktop_native_widget_helper_aura.h',
+        'widget/desktop_root_window_host.h',
+        'widget/desktop_root_window_host_win.cc',
+        'widget/desktop_root_window_host_win.h',
         'widget/drop_helper.cc',
         'widget/drop_helper.h',
         'widget/drop_target_win.cc',
@@ -413,11 +418,22 @@
                 ['exclude', 'widget/tooltip_manager_views.cc'],
               ],
             }],
+            ['OS=="win"', {
+              'sources/': [
+                ['include', 'widget/desktop_root_window_host_win.cc'],
+                ['include', 'widget/desktop_root_window_host_win.h'],
+              ],
+            }],
           ],
         }],
         ['use_aura==0', {
           'sources!': [
             'widget/tooltip_manager_views.cc',
+            'widget/desktop_root_window_host.h',
+            'widget/desktop_root_window_host_win.cc',
+            'widget/desktop_root_window_host_win.h',
+            'widget/desktop_native_widget_aura.cc',
+            'widget/desktop_native_widget_aura.h',
           ],
         }],
         ['use_aura==0 and OS=="win"', {