Define WebTextInputMode as a enum in the public API.

ui/base/ime/text_input_mode.h

 // Copyright 2013 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_BASE_IME_TEXT_INPUT_MODE_H_
 #define UI_BASE_IME_TEXT_INPUT_MODE_H_
 
 namespace ui {
 
 // This mode corrensponds to inputmode
 // http://www.whatwg.org/specs/web-apps/current-work/#attr-fe-inputmode
 enum TextInputMode {
   TEXT_INPUT_MODE_DEFAULT,
   TEXT_INPUT_MODE_VERBATIM,
   TEXT_INPUT_MODE_LATIN,
   TEXT_INPUT_MODE_LATIN_NAME,
   TEXT_INPUT_MODE_LATIN_PROSE,
   TEXT_INPUT_MODE_FULL_WIDTH_LATIN,
   TEXT_INPUT_MODE_KANA,
+  TEXT_INPUT_MODE_KANA_NAME,
   TEXT_INPUT_MODE_KATAKANA,
   TEXT_INPUT_MODE_NUMERIC,
   TEXT_INPUT_MODE_TEL,
   TEXT_INPUT_MODE_EMAIL,
   TEXT_INPUT_MODE_URL,
 
   TEXT_INPUT_MODE_MAX = TEXT_INPUT_MODE_URL,
 };
 
 }  // namespace ui
 
 #endif  // UI_BASE_IME_TEXT_INPUT_TYPE_H_