Editing the custom spelling dictionary

chrome/browser/resources/options/language_options.html

 <div id="languagePage" class="page" hidden>
   <div class="close-button"></div>
   <h1 i18n-content="languagePage"></h1>
   <div class="content-area">
     <div id="notification">
       <span>&nbsp;</span>
       <span class="link"><span class="link-color"></span></span>
     </div>
     <!-- TODO(kevers): Fix format of i18n-content labels -->
     <div class="language-options-header">
@@ skipping 63 matching lines @@
              class="language-options-contents">
         </div>
 </if>
       </div>
 </if>
     </div>
     <div class="language-options-footer">
 <if expr="pp_ifdef('chromeos')">
       <div i18n-content="switch_input_methods_hint"></div>
       <div i18n-content="select_previous_input_method_hint"></div>
+      <button id="edit-dictionary-button"
+          class="link-button standalone-link-button"
+          i18n-content="languageDictionaryOverlayTitle"></button>
 </if>
 <if expr="not pp_ifdef('chromeos') and not is_macosx">
       <div id="spell-check-option" class="checkbox">
         <label>
           <input id="enable-spell-check" pref="browser.enable_spellchecking"
               metric="Options_SpellCheck" type="checkbox">
           <span i18n-content="enable_spell_check"></span>
         </label>
+        <button id="edit-dictionary-button" class="link-button"
+            i18n-content="languageDictionaryOverlayTitle" hidden></button>
       </div>
       <div id="auto-spell-correction-option" class="checkbox" hidden>
         <label>
           <input id="enable-auto-spell-correction"
               pref="browser.enable_autospellcorrect"
               metric="Options_AutoSpellCorrection" type="checkbox">
           <span i18n-content="enable_auto_spell_correction"></span>
         </label>
       </div>
 </if>
     </div>
   </div>
   <div class="action-area">
     <div class="button-strip">
       <button id="language-confirm" i18n-content="ok"></button>
     </div>
   </div>
 </div>