Layout the NTP footer with flexboxes.

chrome/browser/resources/ntp4/new_tab.html

Index: chrome/browser/resources/ntp4/new_tab.html
diff --git a/chrome/browser/resources/ntp4/new_tab.html b/chrome/browser/resources/ntp4/new_tab.html
index 984b8a29d8c58daee9da6bcd50f7fe5c2fbc94b5..e5bb3e39ecd26dfd23e498238b7fc5a1e048719f 100644
--- a/chrome/browser/resources/ntp4/new_tab.html
+++ b/chrome/browser/resources/ntp4/new_tab.html
@@ -106,23 +106,22 @@
 
       <div id="footer-menu-container" class="menu-container">
         <button id="other-sessions-menu-button"
-            class="footer-menu-button custom-appearance" hidden>
+            class="footer-menu-button custom-appearance invisible">
           <span i18n-content="otherSessions"></span>
           <div class="disclosure-triangle"></div>
         </button>
         <button id="recently-closed-menu-button"
-            class="footer-menu-button custom-appearance">
+            class="footer-menu-button custom-appearance invisible">
           <span i18n-content="recentlyclosed"></span>
           <div class="disclosure-triangle"></div>
         </button>
+        <a id="chrome-web-store-link">
+          <span id="chrome-web-store-title" i18n-content="webStoreTitleShort">
+          </span>
+        </a>
         <div id="vertical-separator"></div>
       </div>
 
-      <a id="chrome-web-store-link">
-        <span id="chrome-web-store-title" i18n-content="webStoreTitleShort">
-        </span>
-      </a>
-
       <div id="trash" class="trash">
         <span class="lid"></span>
         <span class="can"></span>