Move Sad Tab implementation out of the TabContentsViews.

chrome/browser/ui/gtk/hung_renderer_dialog_gtk.cc

 // 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.
 
 #include "chrome/browser/ui/browser_dialogs.h"
 
 #include <gtk/gtk.h>
 
 #include "base/process_util.h"
 #include "base/utf_string_conversions.h"
@@ skipping 31 matching lines @@
   // Dismiss the panel if |contents_| is closed or its renderer exits.
   class TabContentsObserverImpl : public TabContentsObserver {
    public:
     TabContentsObserverImpl(HungRendererDialogGtk* dialog,
                             TabContents* contents)
         : TabContentsObserver(contents),
           dialog_(dialog) {
     }
 
     // TabContentsObserver overrides:
-    virtual void RenderViewGone() OVERRIDE {
+    virtual void RenderViewGone(base::TerminationStatus status) OVERRIDE {
       dialog_->Hide();
     }
     virtual void TabContentsDestroyed(TabContents* tab) OVERRIDE {
       dialog_->Hide();
     }
 
    private:
     HungRendererDialogGtk* dialog_;  // weak
 
     DISALLOW_COPY_AND_ASSIGN(TabContentsObserverImpl);
@@ skipping 193 matching lines @@
     g_instance->ShowForTabContents(contents);
   }
 }
 
 void HideNativeHungRendererDialog(TabContents* contents) {
   if (!logging::DialogsAreSuppressed() && g_instance)
     g_instance->EndForTabContents(contents);
 }
 
 }  // namespace browser