[Extensions Toolbar] Move some popup logic to be platform-agnostic

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 "ui/gfx/native_widget_types.h"
 
 class Browser;
+class ToolbarActionsBar;
 class ToolbarActionsBarDelegate;
 
 namespace gfx {
 class Image;
 class Rect;
 class Size;
 }  // namespace gfx
 
 class BrowserActionTestUtil {
  public:
@@ skipping 51 matching lines @@
   bool HidePopup();
 
   // Tests that the button at the given |index| is displaying that it wants
   // to run.
   bool ActionButtonWantsToRun(size_t index);
 
   // Tests that the overflow button is displaying an overflowed action wants
   // to run.
   bool OverflowedActionButtonWantsToRun();
 
+  // Returns the ToolbarActionsBar.
+  ToolbarActionsBar* GetToolbarActionsBar();
+
   // Returns the minimum allowed size of an extension popup.
   static gfx::Size GetMinPopupSize();
 
   // Returns the maximum allowed size of an extension popup.
   static gfx::Size GetMaxPopupSize();
 
  private:
   Browser* browser_;  // weak
 
   // If non-null, this is a set view to test with, rather than using the
   // |browser|'s default container.
   ToolbarActionsBarDelegate* bar_delegate_;  // weak
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_BROWSER_ACTION_TEST_UTIL_H_