Browser and unit tests for the SB interstitial V3

chrome/browser/resources/ssl/interstitial_v2.js

 // Copyright 2014 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.
 
 // This is the shared code for the new (Chrome 37) security interstitials. It is
 // used for both SSL interstitials and Safe Browsing interstitials.
 
 var expandedDetails = false;
 
 function setupEvents() {
@@ skipping 12 matching lines @@
       sendCommand(CMD_DONT_PROCEED);
     else
       sendCommand(CMD_RELOAD);
   });
 
   if (overridable) {
     $('proceed-link').addEventListener('click', function(event) {
       sendCommand(ssl ? CMD_PROCEED : SB_CMD_PROCEED);
     });
   } else if (!ssl) {
-    $('finalParagraph').classList.add('hidden');
+    $('final-paragraph').classList.add('hidden');
   }
 
   if (ssl && overridable) {
     $('proceed-link').classList.add('small-link');
   } else {
     // Overridable SSL page doesn't have this link.
     $('help-link').addEventListener('click', function(event) {
       if (ssl)
         sendCommand(CMD_HELP);
       else if (loadTimeData.getBoolean('phishing'))
@@ skipping 17 matching lines @@
       // Record a histogram entry only the first time that details is opened.
       sendCommand(ssl ? CMD_MORE : SB_CMD_EXPANDED_SEE_MORE);
       expandedDetails = true;
     }
   });
 
   preventDefaultOnPoundLinkClicks();
 }
 
 document.addEventListener('DOMContentLoaded', setupEvents);