Delete test_shell.

webkit/tools/test_shell/test_shell_x11.h

Index: webkit/tools/test_shell/test_shell_x11.h
diff --git a/webkit/tools/test_shell/test_shell_x11.h b/webkit/tools/test_shell/test_shell_x11.h
deleted file mode 100644
index d3e41dd3f6d0312a187928292ce46864fb27f797..0000000000000000000000000000000000000000
--- a/webkit/tools/test_shell/test_shell_x11.h
+++ /dev/null
@@ -1,22 +0,0 @@
-// 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.
-
-#ifndef WEBKIT_TOOLS_TEST_SHELL_TEST_SHELL_X11_H
-#define WEBKIT_TOOLS_TEST_SHELL_TEST_SHELL_X11_H
-
-// This header is required because one cannot include both Xlib headers and
-// WebKit headers in the same source file.
-
-typedef struct _XDisplay Display;
-
-namespace test_shell_x11 {
-
-// Return an Xlib Display pointer for the given widget
-Display* GtkWidgetGetDisplay(GtkWidget* widget);
-// Return the screen number for the given widget
-int GtkWidgetGetScreenNum(GtkWidget* widget);
-
-}  // namespace test_shell_x11
-
-#endif  // !WEBKIT_TOOLS_TEST_SHELL_TEST_SHELL_X11_H