Add a ExtensionBrowserTest base class

chrome/browser/views/extensions/extension_shelf.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_VIEWS_EXTENSIONS_EXTENSION_SHELF_H_
 #define CHROME_BROWSER_VIEWS_EXTENSIONS_EXTENSION_SHELF_H_
 
 #include "app/gfx/canvas.h"
 #include "base/task.h"
 #include "chrome/browser/extensions/extension_shelf_model.h"
@@ skipping 10 matching lines @@
 
 // A shelf that contains Extension toolstrips.
 class ExtensionShelf : public views::View,
                        public ExtensionContainer,
                        public BrowserBubble::Delegate,
                        public ExtensionShelfModelObserver {
  public:
   explicit ExtensionShelf(Browser* browser);
   virtual ~ExtensionShelf();
 
+  // Get the current model.
+  ExtensionShelfModel* model() { return model_.get(); }
+
   // Return the current active ExtensionShelfHandle (if any).
   BrowserBubble* GetHandle();
 
   // View
   virtual void Paint(gfx::Canvas* canvas);
   virtual gfx::Size GetPreferredSize();
   virtual void Layout();
   virtual void OnMouseExited(const views::MouseEvent& event);
   virtual void OnMouseEntered(const views::MouseEvent& event);
 
@@ skipping 67 matching lines @@
   // A placeholder for a pending drag
   View* drag_placeholder_view_;
 
   // The model representing the toolstrips on the shelf.
   scoped_ptr<ExtensionShelfModel> model_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionShelf);
 };
 
 #endif  // CHROME_BROWSER_VIEWS_EXTENSIONS_EXTENSION_SHELF_H_