test_webview_delegate.cc was forked for the Mac test shell, and then

webkit/tools/test_shell/SConscript

 # Copyright (c) 2006-2008 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.
 
 Import('env', 'env_res')
 
 env = env.Clone()
 env_res = env_res.Clone()
 
 if env['PLATFORM'] == 'win32':
@@ skipping 83 matching lines @@
   )
 
 input_files = [
     'event_sending_controller.cc',
     'layout_test_controller.cc',
     'simple_resource_loader_bridge.cc',
     'test_navigation_controller.cc',
     'test_shell_request_context.cc',
     'test_shell_switches.cc',
     'test_shell.cc',
+    'test_webview_delegate.cc',
     'text_input_controller.cc',
 ]
 if env['PLATFORM'] == 'win32':
   # TODO(port): put portable files in above test_files declaration.
   input_files.extend([
       'drag_delegate.cc',
       'drop_delegate.cc',
       'test_shell_win.cc',
-      'test_webview_delegate.cc',
+      'test_webview_delegate_win.cc',
       'webview_host.cc',
       'webwidget_host.cc',
   ])
 elif env['PLATFORM'] == 'posix':
   input_files.extend([
       'gtk/webwidget_host.cc',
       'gtk/webview_host.cc',
       'gtk/test_webview_delegate.cc',
       'test_shell_gtk.cc',
   ])
@@ skipping 66 matching lines @@
       '$WEBKIT_DIR/port/platform/image-decoders/bmp/BMPImageDecoder_unittest.cpp',
       '$WEBKIT_DIR/port/platform/image-decoders/ico/ICOImageDecoder_unittest.cpp',
       '$WEBKIT_DIR/port/platform/image-decoders/xbm/XBMImageDecoder_unittest.cpp',
   ])
 
 test_shell_tests = env.ChromeTestProgram('test_shell_tests',
                                          resources + test_files)
 i = env.Install('$TARGET_ROOT', test_shell_tests)
 env.Alias('webkit', i)