use ozone implementation for key code conversion when there is no X display

chrome/test/chromedriver/keycode_text_conversion.h

 // 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 CHROME_TEST_CHROMEDRIVER_KEYCODE_TEXT_CONVERSION_H_
 #define CHROME_TEST_CHROMEDRIVER_KEYCODE_TEXT_CONVERSION_H_
 
 #include <string>
 
 #include "base/strings/string16.h"
@@ skipping 19 matching lines @@
 // it will be set to the empty string.
 bool ConvertCharToKeyCode(base::char16 key,
                           ui::KeyboardCode* key_code,
                           int *necessary_modifiers,
                           std::string* error_msg);
 
 #if defined(OS_WIN)
 bool SwitchToUSKeyboardLayout();
 #endif
 
+#if defined(USE_X11)
+// Use the ozone implementation when there is no X display.
+bool ConvertKeyCodeToTextOzone(ui::KeyboardCode key_code,
+                               int modifiers,
+                               std::string* text,
+                               std::string* error_msg);
+bool ConvertCharToKeyCodeOzone(base::char16 key,
+                               ui::KeyboardCode* key_code,
+                               int* necessary_modifiers,
+                               std::string* error_msg);
+#endif
+
 #endif  // CHROME_TEST_CHROMEDRIVER_KEYCODE_TEXT_CONVERSION_H_