Update SSL/malware/net error interstitial design

chrome/browser/resources/security_warnings/interstitial_v2_mobile.js

+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+var mobileNav = false;
+
+/**
+ * For small screen mobile the navigation buttons are moved
+ * below the advanced text.
+ */
+function onResize() {
+  var helpOuterBox = document.querySelector('#details');
+  var mainContent = document.querySelector('#main-content');
+  var mediaQuery = '(max-width: 420px) and (orientation: portrait),' +
+      '(max-width: 736px) and (max-height: 420px) and (orientation: landscape)';
+
+  mobileNav = window.matchMedia(mediaQuery).matches;
+
+  mainContent.classList.toggle('hidden', false);
+  helpOuterBox.classList.toggle('hidden', true);
+}
+
+function setupMobileNav() {
+  window.addEventListener('resize', onResize);
+  onResize();
+}
+
+document.addEventListener('DOMContentLoaded', setupMobileNav);