MD Settings: Fix search engines drop-down menu.

chrome/browser/resources/settings/search_page/search_page.html

Index: chrome/browser/resources/settings/search_page/search_page.html
diff --git a/chrome/browser/resources/settings/search_page/search_page.html b/chrome/browser/resources/settings/search_page/search_page.html
index 675c940974e1989b86f5d3d54f6606f219efbfb8..227cab9af98851ea5dfcdfcc1b8785e240e1dca8 100644
--- a/chrome/browser/resources/settings/search_page/search_page.html
+++ b/chrome/browser/resources/settings/search_page/search_page.html
@@ -23,9 +23,9 @@
                 selected="[[getSelectedSearchEngineIndex_(searchEngines_)]]"
                 on-iron-select="onIronSelect_">
               <template is="dom-repeat" items="[[searchEngines_]]">
-                <!--TODO(dpapad): Use <button class="paper-item">..</button>
-                    once it lands in paper-item-shared-styles.html-->
-                <div class="dropdown-item" role="option">[[item.name]]</div>
+                <button class="dropdown-item" role="option">
+                  [[item.name]]
+                </button>
               </template>
             </paper-listbox>
           </paper-dropdown-menu>