linux_aura: Make combo boxes work with DesktopRootWindowHostLinux.

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 293 matching lines @@
         'view_win.cc',
         'views_delegate.h',
         'widget/aero_tooltip_manager.cc',
         'widget/aero_tooltip_manager.h',
         'widget/child_window_message_processor.cc',
         'widget/child_window_message_processor.h',
         'widget/default_theme_provider.cc',
         'widget/default_theme_provider.h',
         'widget/desktop_capture_client.cc',
         'widget/desktop_capture_client.h',
+        'widget/desktop_layout_manager.cc',
+        'widget/desktop_layout_manager.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_linux.cc',
         'widget/desktop_root_window_host_linux.h',
         'widget/desktop_root_window_host_win.cc',
         'widget/desktop_root_window_host_win.h',
         'widget/desktop_screen_position_client.cc',
@@ skipping 514 matching lines @@
           'sources/': [
             # This is needed because the aura rule strips it from the default
             # sources list.
             ['include', '^../../content/app/startup_helper_win.cc'],
           ],
         }],
       ],
     },  # target_name: views_examples_with_content_exe
   ],
 }