Fix declaration vs. implementation ordering in NativeAppWindow{Views|Gtk}

apps/apps.gypi

 # Copyright 2013 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': 'apps',
       'type': 'static_library',
       'variables': { 'enable_wexit_time_destructors': 1, },
@@ skipping 35 matching lines @@
         'app_shim/chrome_main_app_mode_mac.mm',
         'app_shim/extension_app_shim_handler_mac.cc',
         'app_shim/extension_app_shim_handler_mac.h',
         'app_window_contents.cc',
         'app_window_contents.h',
         'apps_client.cc',
         'apps_client.h',
         'launcher.cc',
         'launcher.h',
         'metrics_names.h',
-        'native_app_window.h',
         'pref_names.cc',
         'pref_names.h',
         'prefs.cc',
         'prefs.h',
         'saved_files_service.cc',
         'saved_files_service.h',
         'saved_files_service_factory.cc',
         'saved_files_service_factory.h',
         'shell_window.cc',
         'shell_window.h',
         'shell_window_geometry_cache.cc',
         'shell_window_geometry_cache.h',
         'shell_window_registry.cc',
         'shell_window_registry.h',
         'switches.cc',
         'switches.h',
+        'ui/native_app_window.h',
         'ui/views/shell_window_frame_view.cc',
         'ui/views/shell_window_frame_view.h',
       ],
       'conditions': [
         ['chromeos==1',
           {
             'dependencies': [
               'browser_chromeos',
             ]
           }
@@ skipping 53 matching lines @@
             'shell/app_shell_main_delegate.h',
             'shell/app_shell_main.cc',
             'shell/web_view_window.cc',
             'shell/web_view_window.cc',
           ],
         },
       ],  # targets
     }],  # chromeos==1
   ],  # conditions
 }