NTP update for ChromeOS.

chrome/browser/resources/new_new_tab.css

 html {
   /* This is needed because of chrome://theme/css/new_tab.css */
   height: 100%;
 }
 
 body {
   margin: 0;
   height: 100%;
   overflow: auto;
   -webkit-user-select: none;
@@ skipping 14 matching lines @@
 body.loading #main {
   /* We start out hidden to prevent glitchiness as the app and most visited
   data flows in. */
   visibility: hidden;
 }
 
 #main,
 .section,
 .maxiview,
 #login-container,
-#notification-container {
+#notification-container,
+#closed-sections-bar[chromeos] {
   width: 920px;
 }
 
 html[dir=rtl] #main {
   background-position-x: 100%;
 }
 
 html[mode=app-launcher] #main {
   min-height: 50px;
 }
@@ skipping 366 matching lines @@
 .section-close-button:hover {
  opacity: 1;
 }
 
 .section-close-button:hover {
   background-image: url(chrome://theme/IDR_CLOSE_BAR_H);
 }
 
 #closed-sections-bar {
   position: fixed;
+}
+
+#closed-sections-bar:not([chromeos]) {
   bottom: 5px;
 }
 
+#closed-sections-bar[chromeos] {
+  padding-top: 0.56em;
+}
+
 #closed-sections-bar > button {
   -webkit-appearance: none;
   background: none;
   border: 0;
   cursor: pointer;
   font: inherit;
   margin: 0;
   margin-right: 1.5em;
   padding: 2px 0 0 0;
 
@@ skipping 89 matching lines @@
   }
 }
 
 /* Ensure we have at least 10px horizontal marging. */
 @media (max-width: 712px) {
   #main {
     margin-left: 10px;
     margin-right: 10px;
   }
 }