Infobar system refactor.

chrome/browser/ui/views/infobars/extension_infobar.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_VIEWS_INFOBARS_EXTENSION_INFOBAR_H_
 #define CHROME_BROWSER_UI_VIEWS_INFOBARS_EXTENSION_INFOBAR_H_
 
 #include "base/compiler_specific.h"
-#include "chrome/browser/extensions/extension_infobar_delegate.h"
 #include "chrome/browser/ui/views/infobars/infobar_view.h"
 #include "ui/views/controls/button/menu_button_listener.h"
 
 class Browser;
+class ExtensionInfoBarDelegate;
 namespace views {
 class ImageView;
 class MenuButton;
 }
 
 class ExtensionInfoBar : public InfoBarView,
-                         public ExtensionInfoBarDelegate::DelegateObserver,
                          public views::MenuButtonListener {
  public:
-  ExtensionInfoBar(InfoBarService* owner,
-                   ExtensionInfoBarDelegate* delegate,
+  ExtensionInfoBar(scoped_ptr<ExtensionInfoBarDelegate> delegate,
                    Browser* browser);
 
  private:
   virtual ~ExtensionInfoBar();
 
   // InfoBarView:
   virtual void Layout() OVERRIDE;
   virtual void ViewHierarchyChanged(
       const ViewHierarchyChangedDetails& details) OVERRIDE;
   virtual int ContentMinimumWidth() const OVERRIDE;
 
-  // ExtensionInfoBarDelegate::DelegateObserver:
-  virtual void OnDelegateDeleted() OVERRIDE;
-
   // views::MenuButtonListener:
   virtual void OnMenuButtonClicked(views::View* source,
                                    const gfx::Point& point) OVERRIDE;
 
   void OnImageLoaded(const gfx::Image& image);
 
   ExtensionInfoBarDelegate* GetDelegate();
 
-  // TODO(pkasting): This shadows InfoBarView::delegate_.  Get rid of this once
-  // InfoBars own their delegates (and thus we don't need the DelegateObserver
-  // functionality).  For now, almost everyone should use GetDelegate() instead.
-  InfoBarDelegate* delegate_;
-
   Browser* browser_;
 
   // The infobar icon used for the extension infobar. The icon can be either a
   // plain image (in which case |icon_as_image_| is set) or a dropdown menu (in
   // which case |icon_as_menu_| is set).
   // The icon is a dropdown menu if the extension showing the infobar shows
   // configure context menus.
   views::View* infobar_icon_;
 
   // The dropdown menu for accessing the contextual extension actions.
   // It is non-NULL if the |infobar_icon_| is a menu button and in that case
   // |icon_as_menu_ == infobar_icon_|.
   views::MenuButton* icon_as_menu_;
 
   // The image view for the icon.
   // It is non-NULL if |infobar_icon_| is an image and in that case
   // |icon_as_image_ == infobar_icon_|.
   views::ImageView* icon_as_image_;
 
   base::WeakPtrFactory<ExtensionInfoBar> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionInfoBar);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_INFOBARS_EXTENSION_INFOBAR_H_