MD Settings: label and describe a bunch of subpage/open-in-new buttons

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

Index: chrome/browser/resources/settings/internet_page/internet_page.html
diff --git a/chrome/browser/resources/settings/internet_page/internet_page.html b/chrome/browser/resources/settings/internet_page/internet_page.html
index a921f139327798756df5c176445197eedfedff74..09abc28adce68ab7aac961d4603845e6cd35abd7 100644
--- a/chrome/browser/resources/settings/internet_page/internet_page.html
+++ b/chrome/browser/resources/settings/internet_page/internet_page.html
@@ -52,13 +52,15 @@
             <div actionable class="settings-box continuation center"
                 on-tap="onAddWiFiTap_">
               <div class="start add-no-icon">$i18n{internetAddWiFi}</div>
-              <button class="icon-external" is="paper-icon-button-light">
+              <button class="icon-external" is="paper-icon-button-light"
+                  aria-label="$i18n{internetAddWiFi}">
               </button>
             </div>
             <div actionable class="settings-box continuation center"
                 on-tap="onAddVPNTap_">
               <div class="start add-no-icon">$i18n{internetAddVPN}</div>
-              <button class="icon-external" is="paper-icon-button-light">
+              <button class="icon-external" is="paper-icon-button-light"
+                  aria-label="$i18n{internetAddVPN}">
               </button>
             </div>
             <template is="dom-repeat" items="[[thirdPartyVpnProviders_]]">