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

ui/events/event.h

 // 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.
 
 #ifndef UI_EVENTS_EVENT_H_
 #define UI_EVENTS_EVENT_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/event_types.h"
@@ skipping 640 matching lines @@
            DomCode code,
            int flags,
            DomKey key,
            base::char16 character,
            base::TimeDelta time_stamp);
 
   // Create a character event.
   KeyEvent(base::char16 character, KeyboardCode key_code, int flags);
 
   // Used for synthetic events with code of DOM KeyboardEvent (e.g. 'KeyA')
-  // See also: ui/events/keycodes/dom3/dom_values.txt
+  // See also: ui/events/keycodes/dom/dom_values.txt
   KeyEvent(EventType type,
            KeyboardCode key_code,
            DomCode code,
            int flags);
 
   KeyEvent(const KeyEvent& rhs);
 
   KeyEvent& operator=(const KeyEvent& rhs);
 
   ~KeyEvent() override;
@@ skipping 207 matching lines @@
 
   const GestureEventDetails& details() const { return details_; }
 
  private:
   GestureEventDetails details_;
 };
 
 }  // namespace ui
 
 #endif  // UI_EVENTS_EVENT_H_