TabContentsWrapper -> TabContents, part 1.

chrome/browser/ui/cocoa/tab_modal_confirm_dialog_mac.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_UI_COCOA_TAB_MODAL_CONFIRM_DIALOG_MAC_H_
 #define CHROME_BROWSER_UI_COCOA_TAB_MODAL_CONFIRM_DIALOG_MAC_H_
 #pragma once
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/ui/cocoa/constrained_window_mac.h"
 
-class TabContentsWrapper;
+class TabContents;
+typedef TabContents TabContentsWrapper;
 class TabModalConfirmDialogDelegate;
 
 // Displays a tab-modal dialog, i.e. a dialog that will block the current page
 // but still allow the user to switch to a different page.
 // To display the dialog, allocate this object on the heap. It will open the
 // dialog from its constructor and then delete itself when the user dismisses
 // the dialog.
 class TabModalConfirmDialogMac
     : public ConstrainedWindowMacDelegateSystemSheet {
  public:
   TabModalConfirmDialogMac(TabModalConfirmDialogDelegate* delegate,
                            TabContentsWrapper* wrapper);
 
   // ConstrainedWindowDelegateMacSystemSheet methods:
   virtual void DeleteDelegate() OVERRIDE;
 
  private:
   virtual ~TabModalConfirmDialogMac();
 
   scoped_ptr<TabModalConfirmDialogDelegate> delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(TabModalConfirmDialogMac);
 };
 
 #endif  // CHROME_BROWSER_UI_COCOA_TAB_MODAL_CONFIRM_DIALOG_MAC_H_