Move the desktop aura classes into a desktop subdir to make the gyp simpler.

chrome/chrome_browser_ui.gypi

 # 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.
 
 {
   'targets': [
     {
       'target_name': 'browser_ui',
       'type': 'static_library',
@@ skipping 2234 matching lines @@
             ['exclude', 'browser/policy/user_policy_signin_service.cc'],
             ['exclude', 'browser/policy/user_policy_signin_service.h'],
             ['exclude', 'browser/policy/user_policy_signin_service_factory.cc'],
             ['exclude', 'browser/policy/user_policy_signin_service_factory.h'],
             ['exclude', 'browser/platform_util_linux.cc'],
             ['exclude', 'browser/speech/extension_api/tts_extension_api_linux.cc'],
             ['exclude', 'browser/system_monitor/removable_device_notifications_linux.cc'],
             ['exclude', 'browser/system_monitor/removable_device_notifications_linux.h'],
             ['exclude', 'browser/ui/views/frame/desktop_browser_frame_aura.cc'],
             ['exclude', 'browser/ui/views/frame/desktop_browser_frame_aura.h'],
+            ['exclude', 'browser/ui/views/frame/browser_desktop_root_window_host_linux.cc'],
+            ['exclude', 'browser/ui/views/frame/browser_desktop_root_window_host_linux.h'],
             ['exclude', 'browser/ui/webui/help/version_updater_basic.cc'],
             ['exclude', 'browser/ui/webui/help/version_updater_basic.h'],
             ['exclude', 'browser/upgrade_detector_impl.cc'],
             ['exclude', 'browser/upgrade_detector_impl.h'],
           ],
         }],
         ['use_ibus==1', {
           'dependencies': [
             '../build/linux/system.gyp:ibus',
           ],
@@ skipping 483 matching lines @@
             ['exclude', '^browser/ui/views/select_file_dialog_extension.cc'],
             ['exclude', '^browser/ui/views/select_file_dialog_extension.h'],
             ['exclude', '^browser/ui/views/select_file_dialog_extension_factory.cc'],
             ['exclude', '^browser/ui/views/select_file_dialog_extension_factory.h'],
           ]}
         ],
       ],
     },
   ],
 }