DOMUI: Implement the i18n-options attribute that allows the client to load

chrome/browser/resources/options/chromeos_language_chewing_options.html

 <div class="page hidden" id="languageChewingPage">
   <h1 i18n-content="languageChewingPage"></h1>
   <section>
     <table class="option-control-table">
        <tr>
          <td class="option-name" colspan="2">
           <label class="checkbox">
             <input id="chewing-auto-shift-cur"
                 pref="settings.language.chewing_auto_shift_cur" type="checkbox">
             <span i18n-content="Chewing_autoShiftCur"></span>
@@ skipping 79 matching lines @@
                            max:Chewing_maxChiSymbolLenMax"
               type="range">
            <span id="chewing-max-chi-symbol-len-value"></span>
          </td>
        </tr>
        <tr>
          <td class="option-name" i18n-content="Chewing_candPerPage"></td>
          <td class="option-value">
            <select id="chewing-cand-per-page" class="control"
                 pref="settings.language.chewing_cand_per_page"
-                data-values="Chewing_candPerPageValue"></select>
+                i18n-options="Chewing_candPerPageValue"></select>
          </td>
        </tr>
        <tr>
          <td class="option-name" i18n-content="Chewing_KBType"></td>
          <td class="option-value">
            <select id="chewing-keyboard-type" class="control"
                 pref="settings.language.chewing_keyboard_type"
-                data-values="Chewing_KBTypeValue"></select>
+                i18n-options="Chewing_KBTypeValue"></select>
          </td>
        </tr>
        <tr>
          <td class="option-name" i18n-content="Chewing_selKeys"></td>
          <td class="option-value">
            <select id="chewing-sel-keys" class="control"
                 pref="settings.language.chewing_sel_keys"
-                data-values="Chewing_selKeysValue"></select>
+                i18n-options="Chewing_selKeysValue"></select>
          </td>
        </tr>
        <tr>
          <td class="option-name" i18n-content="Chewing_hsuSelKeyType"></td>
          <td class="option-value">
            <select id="chewing-sel-key-type" class="control"
                 pref="settings.language.chewing_hsu_sel_key_type"
-                data-values="Chewing_hsuSelKeyTypeValue"></select>
+                i18n-options="Chewing_hsuSelKeyTypeValue"></select>
          </td>
        </tr>
      </table>
   </section>
 </div>