Switch to using the message loop rather than gtk_main().

webkit/tools/test_shell/SConscript

Index: webkit/tools/test_shell/SConscript
diff --git a/webkit/tools/test_shell/SConscript b/webkit/tools/test_shell/SConscript
index 70c9260e762e279e22c5034bbf809dc4b3efb237..92e9d0dd74dc79606dfcd008d9355e5bd6103eea 100644
--- a/webkit/tools/test_shell/SConscript
+++ b/webkit/tools/test_shell/SConscript
@@ -93,6 +93,7 @@ elif env['PLATFORM'] in ('posix', 'darwin'):
   )
 
 input_files = [
+    'layout_test_controller.cc',
     'simple_resource_loader_bridge.cc',
     'test_navigation_controller.cc',
     'test_shell_request_context.cc',
@@ -104,7 +105,6 @@ if env['PLATFORM'] == 'win32':
       'drag_delegate.cc',
       'drop_delegate.cc',
       'event_sending_controller.cc',
-      'layout_test_controller.cc',
       'test_shell.cc',
       'test_shell_win.cc',
       'test_webview_delegate.cc',
@@ -117,6 +117,7 @@ elif env['PLATFORM'] == 'posix':
       'gtk/test_shell.cc',
       'gtk/webwidget_host.cc',
       'gtk/webview_host.cc',
+      'gtk/test_webview_delegate.cc',
   ])
 
 lib = env.ChromeStaticLibrary('test_shell', input_files)
@@ -153,6 +154,7 @@ if env['PLATFORM'] == 'win32':
 test_files = [
     'image_decoder_unittest.cc',
     'run_all_tests.cc',
+    'layout_test_controller_unittest.cc',
     '$WEBKIT_DIR/glue/autocomplete_input_listener_unittest.cc',
     '$WEBKIT_DIR/glue/cpp_variant_unittest.cc',
     '$WEBKIT_DIR/glue/glue_serialize_unittest.cc',
@@ -167,7 +169,6 @@ if env['PLATFORM'] == 'win32':
   # TODO(port): put portable files in above test_files declaration.
   test_files.extend([
       'keyboard_unittest.cc',
-      'layout_test_controller_unittest.cc',
       'node_leak_test.cc',
       'plugin_tests.cc',
       'run_all_tests.cc',