Use InterstitialPage through a delegate interface instead of deriving from it.

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 <vector>
 
 #include "base/bind.h"
@@ skipping 311 matching lines @@
 void ChromeContentBrowserClient::RenderViewHostCreated(
     RenderViewHost* render_view_host) {
 
   SiteInstance* site_instance = render_view_host->site_instance();
   Profile* profile = Profile::FromBrowserContext(
       site_instance->GetBrowserContext());
 
   new ChromeRenderViewHostObserver(render_view_host,
                                    profile->GetNetworkPredictor());
   new ExtensionMessageHandler(render_view_host);
+
+  if (render_view_host->delegate()->GetRenderViewType() ==
+      content::VIEW_TYPE_INTERSTITIAL_PAGE) {
+    render_view_host->Send(new ChromeViewMsg_SetAsInterstitial(
+        render_view_host->routing_id()));
+  }
 }
 
 void ChromeContentBrowserClient::RenderProcessHostCreated(
     content::RenderProcessHost* host) {
   int id = host->GetID();
   Profile* profile = Profile::FromBrowserContext(host->GetBrowserContext());
   host->GetChannel()->AddFilter(new ChromeRenderMessageFilter(
       id, profile, profile->GetRequestContextForRenderProcess(id)));
   host->GetChannel()->AddFilter(new PluginInfoMessageFilter(id, profile));
   host->GetChannel()->AddFilter(new PrintingMessageFilter());
@@ skipping 529 matching lines @@
     if (prerender_manager->prerender_tracker()->TryCancel(
             handler->render_process_host_id(),
             handler->tab_contents_id(),
             prerender::FINAL_STATUS_SSL_ERROR)) {
       handler->CancelRequest();
       return;
     }
   }
 
   // Otherwise, display an SSL blocking page.
-  SSLBlockingPage* blocking_page = new SSLBlockingPage(
-      handler, overridable, callback);
-  blocking_page->Show();
+  new SSLBlockingPage(handler, overridable, callback);
 }
 
 void ChromeContentBrowserClient::SelectClientCertificate(
     int render_process_id,
     int render_view_id,
     SSLClientAuthHandler* handler) {
   WebContents* tab = tab_util::GetWebContentsByID(
       render_process_id, render_view_id);
   if (!tab) {
     NOTREACHED();
@@ skipping 438 matching lines @@
 #if defined(USE_NSS)
 crypto::CryptoModuleBlockingPasswordDelegate*
     ChromeContentBrowserClient::GetCryptoPasswordDelegate(
         const GURL& url) {
   return browser::NewCryptoModuleBlockingDialogDelegate(
       browser::kCryptoModulePasswordKeygen, url.host());
 }
 #endif
 
 }  // namespace chrome