[Extensions] Remove the Infobar API

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/ui/views/infobars/infobar_view.h"
-#include "ui/views/controls/button/menu_button_listener.h"
-
-class Browser;
-class ExtensionInfoBarDelegate;
-class ExtensionViewViews;
-
-namespace views {
-class ImageView;
-class MenuButton;
-}
-
-class ExtensionInfoBar : public InfoBarView,
-                         public views::MenuButtonListener {
- public:
-  ExtensionInfoBar(scoped_ptr<ExtensionInfoBarDelegate> delegate,
-                   Browser* browser);
-
- private:
-  ~ExtensionInfoBar() override;
-
-  // InfoBarView:
-  void Layout() override;
-  void ViewHierarchyChanged(
-      const ViewHierarchyChangedDetails& details) override;
-  int ContentMinimumWidth() const override;
-
-  // views::MenuButtonListener:
-  void OnMenuButtonClicked(views::View* source,
-                           const gfx::Point& point) override;
-
-  void OnImageLoaded(const gfx::Image& image);
-  ExtensionInfoBarDelegate* GetDelegate();
-  const ExtensionInfoBarDelegate* GetDelegate() const;
-  ExtensionViewViews* GetExtensionView();
-
-  // Returns the width of all content other than the extension view.  Layout()
-  // uses this to determine how much space the extension view can take.
-  int NonExtensionViewWidth() const;
-
-  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_