Remove ui::KeycodeConverter::CodeToNativeKeycode().

content/renderer/pepper/usb_key_code_conversion_linux.cc

-// Copyright (c) 2012 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 "content/renderer/pepper/usb_key_code_conversion.h"
-
-#include "base/basictypes.h"
-#include "third_party/WebKit/public/web/WebInputEvent.h"
-#include "ui/events/keycodes/dom4/keycode_converter.h"
-
-using blink::WebKeyboardEvent;
-
-namespace content {
-
-uint32_t UsbKeyCodeForKeyboardEvent(const WebKeyboardEvent& key_event) {
-  // TODO(garykac): This code assumes that on Linux we're receiving events via
-  // the XKB driver.  We should detect between "XKB", "kbd" and "evdev" at
-  // run-time and re-map accordingly, but that's not possible here, inside the
-  // sandbox.
-  return ui::KeycodeConverter::NativeKeycodeToUsbKeycode(
-      key_event.nativeKeyCode);
-}
-
-const char* CodeForKeyboardEvent(const WebKeyboardEvent& key_event) {
-  return ui::KeycodeConverter::NativeKeycodeToCode(key_event.nativeKeyCode);
-}
-
-}  // namespace content