[MD settings] link to font settings from a11y subpage

chrome/browser/resources/settings/a11y_page/manage_a11y_page.html

 <link rel="import" href="chrome://resources/cr_elements/icons.html">
 <link rel="import" href="chrome://resources/html/polymer.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-icon-button/paper-icon-button-light.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-icon-button/paper-icon-button.html">
 <link rel="import" href="../controls/settings_slider.html">
 <link rel="import" href="../controls/settings_toggle_button.html">
 <link rel="import" href="../i18n_setup.html">
 <link rel="import" href="../route.html">
 <link rel="import" href="../settings_shared_css.html">
 <link rel="import" href="../settings_vars_css.html">
@@ skipping 72 matching lines @@
       <div class="start">
         $i18n{displaySettingsTitle}
         <div class="secondary" id="deisplaySettingsSecondary">
           $i18n{displaySettingsDescription}
         </div>
       </div>
       <button class="subpage-arrow" is="paper-icon-button-light"
           aria-label="$i18n{displaySettingsTitle}"
           aria-describedby="displaySettingsSecondary"></button>
     </div>
-    <div class="settings-box two-line" on-tap="onAppearanceTap_" actionable>
+    <div class="settings-box two-line" on-tap="onFontTap_" actionable>
       <div class="start">
-        $i18n{appearanceSettingsTitle}
-        <div class="secondary" id="appearanceSettingsSecondary">
-          $i18n{appearanceSettingsDescription}
+        $i18n{fontSettingsTitle}
+        <div class="secondary" id="fontSettingsSecondary">
+          $i18n{fontSettingsDescription}
         </div>
       </div>
       <button class="subpage-arrow" is="paper-icon-button-light"
-          aria-label="$i18n{appearanceSettingsTitle}"
-          aria-describedby="appearanceSettingsSecondary"></button>
+          aria-label="$i18n{fontSettingsTitle}"
+          aria-describedby="fontSettingsSecondary"></button>
     </div>
 
     <h2>$i18n{keyboardHeading}</h2>
     <div class="settings-box block first">
       <settings-toggle-button
           pref="{{prefs.settings.a11y.sticky_keys_enabled}}"
           label="$i18n{stickyKeysLabel}">
       </settings-toggle-button>
       <settings-toggle-button
           pref="{{prefs.settings.a11y.virtual_keyboard}}"
@@ skipping 101 matching lines @@
           </div>
         </div>
         <button class="icon-external" is="paper-icon-button-light"
             aria-label="$i18n{additionalFeaturesTitle}"
             aria-describedby="moreFeaturesSecondary"></button>
       </div>
     </template>
   </template>
   <script src="manage_a11y_page.js"></script>
 </dom-module>