Refactor ShellWindow to separate platform-specific code.

chrome/chrome_browser.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',
       'type': 'static_library',
@@ skipping 3011 matching lines @@
         'browser/ui/constrained_window_tab_helper.cc',
         'browser/ui/constrained_window_tab_helper.h',
         'browser/ui/constrained_window_tab_helper_delegate.cc',
         'browser/ui/constrained_window_tab_helper_delegate.h',
         'browser/ui/crypto_module_password_dialog.cc',
         'browser/ui/crypto_module_password_dialog.h',
         'browser/ui/crypto_module_password_dialog_nss.cc',
         'browser/ui/crypto_module_password_dialog_openssl.cc',
         'browser/ui/extensions/application_launch.cc',
         'browser/ui/extensions/application_launch.h',
+        'browser/ui/extensions/native_shell_window.h',
         'browser/ui/extensions/shell_window.cc',
         'browser/ui/extensions/shell_window.h',
         'browser/ui/find_bar/find_bar.h',
         'browser/ui/find_bar/find_bar_controller.cc',
         'browser/ui/find_bar/find_bar_controller.h',
         'browser/ui/find_bar/find_bar_state.h',
         'browser/ui/find_bar/find_bar_state_factory.cc',
         'browser/ui/find_bar/find_bar_state_factory.h',
         'browser/ui/find_bar/find_notification_details.h',
         'browser/ui/find_bar/find_tab_helper.cc',
@@ skipping 2502 matching lines @@
           'includes': [ '../build/jni_generator.gypi' ],
           'dependencies': [
             'android_jar_jni_headers',
           ],
         },
       ],
      },
     ],
   ],
 }