[KeyboardEvent] Use DOM |code| rather than Windows-based key code

ui/views/controls/menu/menu_event_dispatcher_linux.cc

 // 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.
 
 #include "ui/views/controls/menu/menu_event_dispatcher_linux.h"
 
 #include "base/memory/scoped_ptr.h"
 #include "ui/aura/window.h"
 #include "ui/events/event_utils.h"
 #include "ui/events/keycodes/keyboard_code_conversion.h"
@@ skipping 42 matching lines @@
         ui::KeyEvent* key_event = static_cast<ui::KeyEvent*>(ui_event.get());
         if (!menu_controller_->OnKeyDown(key_event->key_code())) {
           should_quit = true;
           should_perform_default = false;
           break;
         }
 
         // Do not check mnemonics if the Alt or Ctrl modifiers are pressed.
         int flags = key_event->flags();
         if ((flags & (ui::EF_CONTROL_DOWN | ui::EF_ALT_DOWN)) == 0) {
-          char c = ui::GetCharacterFromKeyCode(key_event->key_code(), flags);
+          char c = ui::DomCodeToCharacter(key_event->code(), flags);
           if (menu_controller_->SelectByChar(c)) {
             should_quit = true;
             should_perform_default = false;
             break;
           }
         }
         should_quit = false;
         should_perform_default = false;
         break;
       }
@@ skipping 16 matching lines @@
 
   if (should_quit || menu_controller_->exit_type() != MenuController::EXIT_NONE)
     menu_controller_->TerminateNestedMessageLoop();
 
   return should_perform_default ? ui::POST_DISPATCH_PERFORM_DEFAULT
                                 : ui::POST_DISPATCH_NONE;
 }
 
 }  // namespace internal
 }  // namespace views