Created HtmlDialogTabContentsDelegate, which encapsulates the

chrome/browser/cocoa/html_dialog_window_controller.h

 // Copyright (c) 2009 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_COCOA_HTML_DIALOG_WINDOW_CONTROLLER_H_
 #define CHROME_BROWSER_COCOA_HTML_DIALOG_WINDOW_CONTROLLER_H_
 
 #include <string>
 #include <vector>
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/basictypes.h"
 #include "base/scoped_ptr.h"
 #include "chrome/browser/dom_ui/html_dialog_ui.h"
 
 class HtmlDialogWindowDelegateBridge;
 class Profile;
 class TabContents;
 
 // This controller manages a dialog box with properties and HTML content taken
 // from a HTMLDialogUIDelegate object.
 @interface HtmlDialogWindowController : NSWindowController {
  @private
-  Profile* profile_;  // weak.  Always a non-incognito profile.
   // Order here is important, as tab_contents_ may send messages to
   // delegate_ when it gets destroyed.
   scoped_ptr<HtmlDialogWindowDelegateBridge> delegate_;
   scoped_ptr<TabContents> tabContents_;
 }
 
 // Creates and shows an HtmlDialogWindowController with the given
 // delegate and profile. The window is automatically destroyed when it is
 // closed.
 + (void)showHtmlDialog:(HtmlDialogUIDelegate*)delegate
@@ skipping 10 matching lines @@
 
 // Loads the HTML content from the delegate; this is not a lightweight
 // process which is why it is not part of the constructor.  Must be
 // called before showWindow.
 - (void)loadDialogContents;
 
 @end
 
 #endif  // CHROME_BROWSER_COCOA_HTML_DIALOG_WINDOW_CONTROLLER_H_