Attempt at fixing crash in constrained window used by printing. I

chrome/browser/ui/webui/constrained_web_dialog_delegate_base.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_WEBUI_CONSTRAINED_WEB_DIALOG_DELEGATE_BASE_H_
 #define CHROME_BROWSER_UI_WEBUI_CONSTRAINED_WEB_DIALOG_DELEGATE_BASE_H_
 #pragma once
 
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h"
 #include "chrome/browser/ui/webui/constrained_web_dialog_ui.h"
 #include "chrome/browser/ui/webui/web_dialog_web_contents_delegate.h"
 #include "chrome/browser/ui/webui/web_dialog_ui.h"
 
 // Platform-agnostic base implementation of ConstrainedWebDialogDelegate.
 class ConstrainedWebDialogDelegateBase
     : public ConstrainedWebDialogDelegate,
       public WebDialogWebContentsDelegate {
  public:
   ConstrainedWebDialogDelegateBase(
       Profile* profile,
       WebDialogDelegate* delegate,
       WebDialogWebContentsDelegate* tab_delegate);
   virtual ~ConstrainedWebDialogDelegateBase();
 
   void set_window(ConstrainedWindow* window);
   bool closed_via_webui() const;
 
   // ConstrainedWebDialogDelegate interface.
-  virtual const WebDialogDelegate* 
+  virtual const WebDialogDelegate*
       GetWebDialogDelegate() const OVERRIDE;
   virtual WebDialogDelegate* GetWebDialogDelegate() OVERRIDE;
   virtual void OnDialogCloseFromWebUI() OVERRIDE;
   virtual void ReleaseTabContentsOnDialogClose() OVERRIDE;
   virtual ConstrainedWindow* window() OVERRIDE;
   virtual TabContentsWrapper* tab() OVERRIDE;
 
   // WebDialogWebContentsDelegate interface.
   virtual void HandleKeyboardEvent(
       const NativeWebKeyboardEvent& event) OVERRIDE;
@@ skipping 17 matching lines @@
 
   // If true, release |tab_| on close instead of destroying it.
   bool release_tab_on_close_;
 
   scoped_ptr<WebDialogWebContentsDelegate> override_tab_delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(ConstrainedWebDialogDelegateBase);
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_CONSTRAINED_WEB_DIALOG_DELEGATE_BASE_H_