Keep reference view pressed while extension actions have a popup

chrome/browser/ui/views/location_bar/page_action_image_view.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_LOCATION_BAR_PAGE_ACTION_IMAGE_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_PAGE_ACTION_IMAGE_VIEW_H_
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 50 matching lines @@
 
   // Overridden from ExtensionActionViewDelegate:
   virtual void OnIconUpdated() OVERRIDE;
   virtual views::View* GetAsView() OVERRIDE;
   virtual bool IsShownInMenu() OVERRIDE;
   virtual views::FocusManager* GetFocusManagerForAccelerator() OVERRIDE;
   virtual views::Widget* GetParentForContextMenu() OVERRIDE;
   virtual ExtensionActionViewController* GetPreferredPopupViewController()
       OVERRIDE;
   virtual views::View* GetReferenceViewForPopup() OVERRIDE;
+  virtual views::MenuButton* GetContextMenuButton() OVERRIDE;
   virtual content::WebContents* GetCurrentWebContents() OVERRIDE;
   virtual void HideActivePopup() OVERRIDE;
 
   // The controller for this ExtensionAction view.
   scoped_ptr<ExtensionActionViewController> view_controller_;
 
   // The location bar view that owns us.
   LocationBarView* owner_;
 
   // The string to show for a tooltip;
   std::string tooltip_;
 
   // This is used for post-install visual feedback. The page_action icon is
   // briefly shown even if it hasn't been enabled by its extension.
   bool preview_enabled_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(PageActionImageView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_PAGE_ACTION_IMAGE_VIEW_H_