Support standard keyboard keys emulated by the braille drivers.

chrome/browser/extensions/api/braille_display_private/brlapi_keycode_map.h

Index: chrome/browser/extensions/api/braille_display_private/brlapi_keycode_map.h
diff --git a/chrome/browser/extensions/api/braille_display_private/brlapi_keycode_map.h b/chrome/browser/extensions/api/braille_display_private/brlapi_keycode_map.h
new file mode 100644
index 0000000000000000000000000000000000000000..177e058b2bb4e91a300d4f4036331630de4e6d32
--- /dev/null
+++ b/chrome/browser/extensions/api/braille_display_private/brlapi_keycode_map.h
@@ -0,0 +1,23 @@
+// Copyright 2014 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 CHROME_BROWSER_EXTENSIONS_API_BRAILLE_DISPLAY_PRIVATE_BRLAPI_KEYCODE_MAP_H_
+#define CHROME_BROWSER_EXTENSIONS_API_BRAILLE_DISPLAY_PRIVATE_BRLAPI_KEYCODE_MAP_H_
+
+#include "base/memory/scoped_ptr.h"
+#include "chrome/common/extensions/api/braille_display_private.h"
+#include "library_loaders/libbrlapi.h"
+
+namespace extensions {
+namespace api {
+namespace braille_display_private {
+
+// Maps a 64 bit BrlAPI keycode to a braille |KeyEvent| object.
+scoped_ptr<KeyEvent> BrlapiKeyCodeToEvent(brlapi_keyCode_t code);
+
+}  // namespace braille_display_private
+}  // namespace api
+}  // namespace extensions
+
+#endif  // CHROME_BROWSER_EXTENSIONS_API_BRAILLE_DISPLAY_PRIVATE_BRLAPI_KEYCODE_MAP_H_