Move Sad Tab implementation out of the TabContentsViews.

chrome/browser/ui/cocoa/hung_renderer_controller.mm

 // 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.
 
 #import "chrome/browser/ui/cocoa/hung_renderer_controller.h"
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/mac/mac_util.h"
 #include "base/process_util.h"
@@ skipping 28 matching lines @@
 class TabContentsObserverBridge : public TabContentsObserver {
  public:
   TabContentsObserverBridge(TabContents* tab_contents,
                             HungRendererController* controller)
     : TabContentsObserver(tab_contents),
       controller_(controller) {
   }
 
  protected:
   // TabContentsObserver overrides:
-  virtual void RenderViewGone() OVERRIDE {
+  virtual void RenderViewGone(base::TerminationStatus status) OVERRIDE {
     [controller_ renderViewGone];
   }
   virtual void TabContentsDestroyed(TabContents* tab) OVERRIDE {
     [controller_ renderViewGone];
   }
 
  private:
   HungRendererController* controller_;  // weak
 
   DISALLOW_COPY_AND_ASSIGN(TabContentsObserverBridge);
@@ skipping 163 matching lines @@
     [g_instance showForTabContents:contents];
   }
 }
 
 void HideNativeHungRendererDialog(TabContents* contents) {
   if (!logging::DialogsAreSuppressed() && g_instance)
     [g_instance endForTabContents:contents];
 }
 
 }  // namespace browser