[Extension Toolbar] Slide out overflowed actions for popups

chrome/browser/extensions/browser_action_test_util.h

 // Copyright (c) 2010 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_EXTENSIONS_BROWSER_ACTION_TEST_UTIL_H_
 #define CHROME_BROWSER_EXTENSIONS_BROWSER_ACTION_TEST_UTIL_H_
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
 #include "ui/gfx/native_widget_types.h"
 
 class Browser;
+class TestToolbarActionsBarHelper;
 class ToolbarActionsBar;
 class ToolbarActionsBarDelegate;
 
 namespace gfx {
 class Image;
 class Rect;
 class Size;
 }  // namespace gfx
 
 // A class that creates and owns the platform-specific views for the browser
@@ skipping 83 matching lines @@
   Browser* browser_;  // weak
 
   // Our test helper, which constructs and owns the views if we don't have a
   // real browser window, or if this is an overflow version.
   scoped_ptr<TestToolbarActionsBarHelper> test_helper_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserActionTestUtil);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_BROWSER_ACTION_TEST_UTIL_H_