Consolidate ui/events/keycodes/dom[34]/ into .../dom/

ui/events/keycodes/keyboard_code_conversion.cc

 // Copyright (c) 2011 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/events/keycodes/keyboard_code_conversion.h"
 
 #include <algorithm>
 
 #include "ui/events/event_constants.h"
-#include "ui/events/keycodes/dom3/dom_code.h"
-#include "ui/events/keycodes/dom3/dom_key.h"
+#include "ui/events/keycodes/dom/dom_code.h"
+#include "ui/events/keycodes/dom/dom_key.h"
 #include "ui/events/keycodes/dom_us_layout_data.h"
 
 namespace ui {
 
 namespace {
 
 // This table maps a subset of |KeyboardCode| (VKEYs) to DomKey and character.
 // Only values not otherwise handled by GetMeaningFromKeyCode() are here.
 const struct KeyboardCodeToMeaning {
   KeyboardCode key_code;
@@ skipping 514 matching lines @@
       return it.dom_code;
   }
   for (const auto& it : kFallbackKeyboardCodeToDomCodeMap) {
     if (it.key_code == key_code)
       return it.dom_code;
   }
   return DomCode::NONE;
 }
 
 }  // namespace ui