Add a chrome://interstitials page.

chrome/browser/chrome_content_browser_client.cc

 // Copyright (c) 2012 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.
 
 #include "chrome/browser/chrome_content_browser_client.h"
 
 #include <set>
 #include <utility>
 #include <vector>
 
@@ skipping 2001 matching lines @@
   }
 
 #if defined(ENABLE_CAPTIVE_PORTAL_DETECTION)
   CaptivePortalTabHelper* captive_portal_tab_helper =
       CaptivePortalTabHelper::FromWebContents(tab);
   if (captive_portal_tab_helper)
     captive_portal_tab_helper->OnSSLCertError(ssl_info);
 #endif
 
   // Otherwise, display an SSL blocking page.
-  new SSLBlockingPage(tab, cert_error, ssl_info, request_url, overridable,
-                      strict_enforcement, callback);
+  SSLBlockingPage::Show(tab, cert_error, ssl_info, request_url, overridable,
+                        strict_enforcement, callback);
 }
 
 void ChromeContentBrowserClient::SelectClientCertificate(
     int render_process_id,
     int render_frame_id,
     const net::HttpNetworkSession* network_session,
     net::SSLCertRequestInfo* cert_request_info,
     const base::Callback<void(net::X509Certificate*)>& callback) {
   content::RenderFrameHost* rfh = content::RenderFrameHost::FromID(
       render_process_id, render_frame_id);
@@ skipping 920 matching lines @@
 }
 #endif  // defined(ENABLE_WEBRTC)
 
 
 void ChromeContentBrowserClient::NotificationPermissionRequested(
     const base::Closure& callback, bool result) {
   callback.Run();
 }
 
 }  // namespace chrome