Land http://codereview.chromium.org/159067:

chrome/browser/tab_contents/interstitial_page.h

 // Copyright (c) 2006-2008 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.
 
 #ifndef CHROME_BROWSER_TAB_CONTENTS_INTERSTITIAL_PAGE_H_
 #define CHROME_BROWSER_TAB_CONTENTS_INTERSTITIAL_PAGE_H_
 
 #include <map>
 #include <string>
 
@@ skipping 68 matching lines @@
 
   bool action_taken() const { return action_taken_; }
 
   // Sets the focus to the interstitial.
   void Focus();
 
   // Focus the first (last if reverse is true) element in the interstitial page.
   // Called when tab traversing.
   void FocusThroughTabTraversal(bool reverse);
 
+  virtual ViewType::Type GetRenderViewType() const {
+    return ViewType::INTERSTITIAL_PAGE;
+  }
+  virtual int GetBrowserWindowID() const;
+
  protected:
   // NotificationObserver method:
   virtual void Observe(NotificationType type,
                        const NotificationSource& source,
                        const NotificationDetails& details);
 
   // RenderViewHostDelegate implementation:
   virtual View* GetViewDelegate();
   virtual const GURL& GetURL() const;
   virtual void RenderViewGone(RenderViewHost* render_view_host);
@@ skipping 105 matching lines @@
   typedef std::map<TabContents*,InterstitialPage*> InterstitialPageMap;
   static InterstitialPageMap* tab_to_interstitial_page_;
 
   // Settings passed to the renderer.
   RendererPreferences renderer_preferences_;
 
   DISALLOW_COPY_AND_ASSIGN(InterstitialPage);
 };
 
 #endif  // #ifndef CHROME_BROWSER_TAB_CONTENTS_INTERSTITIAL_PAGE_H_