Create and show the virtual keyboard.

ui/keyboard/keyboard_switches.h

Index: ui/keyboard/keyboard_switches.h
diff --git a/ui/keyboard/keyboard_switches.h b/ui/keyboard/keyboard_switches.h
new file mode 100644
index 0000000000000000000000000000000000000000..a7d053314b61437ea37bb86529486ea81d485500
--- /dev/null
+++ b/ui/keyboard/keyboard_switches.h
@@ -0,0 +1,19 @@
+// 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.
+
+#ifndef UI_KEYBOARD_KEYBOARD_SWITCHES_H_
+#define UI_KEYBOARD_KEYBOARD_SWITCHES_H_
+
+#include "ui/keyboard/keyboard_export.h"
+
+namespace keyboard {
+namespace switches {
+
+// Enables the virtual keyboard.
+KEYBOARD_EXPORT extern const char kEnableVirtualKeyboard[];
+
+}  // namespace switches
+}  // namespace keyboard
+
+#endif  //  UI_KEYBOARD_KEYBOARD_SWITCHES_H_