MD Settings: change outlinks to actually use <a>

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

Index: chrome/browser/resources/settings/a11y_page/manage_a11y_page.html
diff --git a/chrome/browser/resources/settings/a11y_page/manage_a11y_page.html b/chrome/browser/resources/settings/a11y_page/manage_a11y_page.html
index 887b019753b9f671cd5dae1f5e621595a01aab53..4921949609757b986852bb85d624a4e211dbade8 100644
--- a/chrome/browser/resources/settings/a11y_page/manage_a11y_page.html
+++ b/chrome/browser/resources/settings/a11y_page/manage_a11y_page.html
@@ -207,7 +207,8 @@
     </div>
 
     <template is="dom-if" if="[[!isGuest_]]">
-      <div class="settings-box two-line" on-tap="onMoreFeaturesTap_" actionable>
+      <a class="settings-box two-line" actionable tabindex="-1" target="_blank"
+          href="https://chrome.google.com/webstore/category/collection/accessibility">
         <div class="start">
           $i18n{additionalFeaturesTitle}
           <div class="secondary" id="moreFeaturesSecondary">
@@ -217,7 +218,7 @@
         <button class="icon-external" is="paper-icon-button-light"
             aria-label="$i18n{additionalFeaturesTitle}"
             aria-describedby="moreFeaturesSecondary"></button>
-      </div>
+      </a>
     </template>
   </template>
   <script src="manage_a11y_page.js"></script>