Move Sad Tab implementation out of the TabContentsViews.

chrome/browser/prerender/prerender_contents.h

 // Copyright (c) 2011 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_PRERENDER_PRERENDER_CONTENTS_H_
 #define CHROME_BROWSER_PRERENDER_PRERENDER_CONTENTS_H_
 #pragma once
 
 #include <list>
 #include <string>
@@ skipping 125 matching lines @@
   bool ShouldSuppressDialogs();
 
   // TabContentsObserver implementation.
   virtual void DidStopLoading() OVERRIDE;
   virtual void DidStartProvisionalLoadForFrame(
       int64 frame_id,
       bool is_main_frame,
       const GURL& validated_url,
       bool is_error_page,
       RenderViewHost* render_view_host) OVERRIDE;
-  virtual void RenderViewGone() OVERRIDE;
+  virtual void RenderViewGone(base::TerminationStatus status) OVERRIDE;
 
   // content::NotificationObserver
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
   // Adds an alias URL, for one of the many redirections. If the URL can not
   // be prerendered - for example, it's an ftp URL - |this| will be destroyed
   // and false is returned. Otherwise, true is returned and the alias is
   // remembered.
@@ skipping 153 matching lines @@
 
   // Offset by which to offset prerendered pages
   static const int32 kPrerenderPageIdOffset = 10;
 
   DISALLOW_COPY_AND_ASSIGN(PrerenderContents);
 };
 
 }  // namespace prerender
 
 #endif  // CHROME_BROWSER_PRERENDER_PRERENDER_CONTENTS_H_