MD Settings: fix bug where "RESET THEME" opens theme gallery

chrome/browser/resources/settings/appearance_page/appearance_page.html

 <link rel="import" href="chrome://resources/html/i18n_behavior.html">
 <link rel="import" href="chrome://resources/html/polymer.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-flex-layout/classes/iron-flex-layout.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-icon/iron-icon.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-icons/device-icons.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-icons/image-icons.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/neon-animation/neon-animatable.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-button/paper-button.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-radio-button/paper-radio-button.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-toggle-button/paper-toggle-button.html">
@@ skipping 22 matching lines @@
       <neon-animatable id="main">
 <if expr="chromeos">
         <div class="settings-box first two-line" id="wallpaperButton"
             on-tap="openWallpaperManager_">
           <iron-icon icon="device:wallpaper"></iron-icon>
           <div class="start">
             <div>$i18n{setWallpaper}</div>
             <div class="secondary">$i18n{openWallpaperApp}</div>
           </div>
         </div>
-        <div class="settings-box two-line" on-tap="openThemesGallery_">
+        <div class="settings-box two-line">
 </if>
 <if expr="not chromeos">
         <div class="settings-box two-line first">
 </if>
           <div class="layout horizontal center flex"
               on-tap="openThemesGallery_">
             <iron-icon icon="image:palette"></iron-icon>
             <div>
               <div>$i18n{getThemes}</div>
               <div class="secondary">[[themeSublabel_]]</div>
@@ skipping 55 matching lines @@
       <template is="dom-if" name="appearance-fonts">
         <settings-subpage page-title="$i18n{customizeFonts}">
           <settings-appearance-fonts-page prefs="{{prefs}}">
           </settings-appearance-fonts-page>
         </settings-subpage>
       </template>
     </settings-animated-pages>
   </template>
   <script src="appearance_page.js"></script>
 </dom-module>