Keyboard Lock Host implementation

components/keyboard_lock/keyboard_lock_host_x11.cc

Index: components/keyboard_lock/keyboard_lock_host_x11.cc
diff --git a/components/keyboard_lock/keyboard_lock_host_x11.cc b/components/keyboard_lock/keyboard_lock_host_x11.cc
new file mode 100644
index 0000000000000000000000000000000000000000..018c33ca458885048303e66bb43113f05a201201
--- /dev/null
+++ b/components/keyboard_lock/keyboard_lock_host_x11.cc
@@ -0,0 +1,20 @@
+// Copyright 2017 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 "components/keyboard_lock/keyboard_lock_host.h"
+
+#include <X11/XKBlib.h>
+
+#include "ui/gfx/x/x11_types.h"
+
+namespace keyboard_lock {
+
+// static
+ui::KeyboardCode KeyboardLockHost::NativeKeycodeToKeyboardCode(
+    uint32_t keycode) {
+  return static_cast<ui::KeyboardCode>(XkbKeycodeToKeysym(
+      gfx::GetXDisplay(), keycode, 0, 1));
+}
+
+}  // namespace keyboard_lock