Create and show the virtual keyboard.

ui/keyboard/keyboard_switches.cc

Index: ui/keyboard/keyboard_switches.cc
diff --git a/ui/keyboard/keyboard_switches.cc b/ui/keyboard/keyboard_switches.cc
new file mode 100644
index 0000000000000000000000000000000000000000..d1ea4e2cbba4b7a9e2f187a17db7664230b35b3a
--- /dev/null
+++ b/ui/keyboard/keyboard_switches.cc
@@ -0,0 +1,13 @@
+// Copyright (c) 2013 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.
+
+#include "ui/keyboard/keyboard_switches.h"
+
+namespace keyboard {
+namespace switches {
+
+const char kEnableVirtualKeyboard[] = "enable-virtual-keyboard";
+
+}  // namespace switches
+}  // namespace keyboard