Use base::WindowImpl instead of CWindowImpl to reduce dependencies on ATL....

webkit/tools/test_shell/test_shell.gyp

 # Copyright (c) 2009 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,
     'test_shell_windows_resource_files': [
       'resources/test_shell.rc',
       'resources/pan_east.cur',
@@ skipping 135 matching lines @@
           ]
         }],
         ['OS=="win"', {
           'msvs_disabled_warnings': [ 4800 ],
           'link_settings': {
             'libraries': [
               '-lcomctl32.lib',
             ],
           },
           'include_dirs': [
+            '../../../chrome/third_party/wtl/include',
             '.',
           ],
           'dependencies': [
             '../../../breakpad/breakpad.gyp:breakpad_handler',
             '../../default_plugin/default_plugin.gyp:default_plugin',
           ],
           # TODO(bradnelson):  
           # This should really be done in the 'npapi_layout_test_plugin'
           # target, but the current VS generator handles 'copies'
           # settings as AdditionalDependencies, which means that
@@ skipping 496 matching lines @@
           'link_settings': {
             'libraries': [
               '$(SDKROOT)/System/Library/Frameworks/AppKit.framework',
             ],
           },
         },
       ],
     }],
   ],
 }