MD Settings: clean up text controls (links, buttons)

chrome/browser/resources/settings/internet_page/network_summary_item.html

 <link rel="import" href="chrome://resources/cr_elements/cr_expand_button/cr_expand_button.html">
 <link rel="import" href="chrome://resources/cr_elements/network/cr_network_list.html">
 <link rel="import" href="chrome://resources/cr_elements/network/cr_network_list_item.html">
+<link rel="import" href="chrome://resources/html/action_link.html">
+<link rel="import" href="chrome://resources/html/action_link_css.html">
 <link rel="import" href="chrome://resources/html/polymer.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-a11y-keys-behavior/iron-a11y-keys-behavior.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-collapse/iron-collapse.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-icon-button/paper-icon-button.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-spinner/paper-spinner.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-toggle-button/paper-toggle-button.html">
 <link rel="import" href="/settings_shared_css.html">
 <link rel="import" href="network_siminfo.html">
 
 <dom-module name="network-summary-item">
   <template>
-    <style include="settings-shared">
+    <style include="settings-shared action-link">
       paper-spinner {
         @apply(--cr-icon-height-width);
         margin: 0 var(--settings-box-row-padding);
       }
 
       network-siminfo {
         padding: 0 var(--settings-box-row-padding);
       }
 
-      .button-row {
-        align-items: center;
-        display: flex;
-        min-height: var(--settings-row-min-height);
-      }
-
       .padded {
         @apply(--settings-list-frame-padding);
       }
 
       #buttons {
         align-items: center;
       }
 
       #details {
         align-items: center;
@@ skipping 60 matching lines @@
     <template is="dom-if"
         if="[[networksDomIfIsTrue_(expanded_, wasExpanded_)]]">
       <iron-collapse
           opened="[[networksIronCollapseIsOpened_(expanded_, wasExpanded_)]]">
         <div class="layout vertical padded">
           <cr-network-list id="networkList" networks="[[networkStateList]]"
               show-buttons>
           </cr-network-list>
           <template is="dom-if"
               if="[[knownNetworksIsVisible_(activeNetworkState)]]">
-            <div class="button-row" actionable on-tap="onKnownNetworksTap_">
-              <a is="action-link">$i18n{knownNetworksButton}</a>
+            <div class="list-item">
+              <a is="action-link" class="list-button"
+                  on-tap="onKnownNetworksTap_">
+                $i18n{knownNetworksButton}
+              </a>
             </div>
           </template>
         </div>
       </iron-collapse>
     </template>
   </template>
   <script src="network_summary_item.js"></script>
 </dom-module>