WebUIHandler for chrome://keyboard

ui/keyboard/resources/send_key_event_webui.js

Index: ui/keyboard/resources/send_key_event_webui.js
diff --git a/ui/keyboard/resources/send_key_event_webui.js b/ui/keyboard/resources/send_key_event_webui.js
new file mode 100644
index 0000000000000000000000000000000000000000..e336b25269e114c640fb01129f6f3bd7e6cecf8f
--- /dev/null
+++ b/ui/keyboard/resources/send_key_event_webui.js
@@ -0,0 +1,10 @@
+// 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.
+
+function sendKeyEvent(keyEvent) {
+  keyEvent.type = 'keydown';
+  chrome.send('sendKeyEvent', [ keyEvent ]);
+  keyEvent.type = 'keyup';
+  chrome.send('sendKeyEvent', [ keyEvent ]);
+}