Abstract base 'ExtensionView' to Fix DEPS violation in extension_view_host.h

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:
   virtual ~ExtensionInfoBar();
 
   // InfoBarView:
   virtual void Layout() OVERRIDE;
   virtual void ViewHierarchyChanged(
       const ViewHierarchyChangedDetails& details) OVERRIDE;
   virtual int ContentMinimumWidth() const OVERRIDE;
 
   // views::MenuButtonListener:
   virtual 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).
@@ skipping 10 matching lines @@
   // 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_