Revert of [KeyboardEvent] Add embedder APIs to translate between Dom |key| enum and strings

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/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 {
-  ui::KeyboardCode key_code;
+  KeyboardCode key_code;
   DomKey key;
   base::char16 plain_character;
   base::char16 shift_character;
 } kKeyboardCodeToMeaning[] = {
     {VKEY_BACK, DomKey::BACKSPACE, '\b', 0},
     {VKEY_TAB, DomKey::TAB, '\t', 0},
     {VKEY_RETURN, DomKey::ENTER, '\r', 0},
     {VKEY_ESCAPE, DomKey::ESCAPE, 0x1B, 0},
     {VKEY_SPACE, DomKey::CHARACTER, ' ', 0},
     {VKEY_MULTIPLY, DomKey::CHARACTER, '*', 0},
@@ skipping 513 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