Multi-select <select> in 'external popup window'

content/browser/web_contents/web_contents_view_mac.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 CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_VIEW_MAC_H_
 #define CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_VIEW_MAC_H_
 #pragma once
 
 #import <Cocoa/Cocoa.h>
 
@@ skipping 68 matching lines @@
   virtual bool IsDoingDrag() const OVERRIDE;
   virtual void CancelDragAndCloseTab() OVERRIDE;
   virtual WebDropData* GetDropData() const OVERRIDE;
   virtual bool IsEventTracking() const OVERRIDE;
   virtual void CloseTabAfterEventTracking() OVERRIDE;
   virtual void GetViewBounds(gfx::Rect* out) const OVERRIDE;
 
   // Backend implementation of RenderViewHostDelegateView.
   virtual void ShowContextMenu(
       const content::ContextMenuParams& params) OVERRIDE;
+  virtual void ShowPopupMenu(const gfx::Rect& bounds,
+                             int item_height,
+                             double item_font_size,
+                             int selected_item,
+                             const std::vector<WebMenuItem>& items,
+                             bool right_aligned,
+                             bool allow_multiple_selection) OVERRIDE;
   virtual void StartDragging(const WebDropData& drop_data,
                              WebKit::WebDragOperationsMask allowed_operations,
                              const SkBitmap& image,
                              const gfx::Point& image_offset) OVERRIDE;
   virtual void UpdateDragCursor(WebKit::WebDragOperation operation) OVERRIDE;
   virtual void GotFocus() OVERRIDE;
   virtual void TakeFocus(bool reverse) OVERRIDE;
 
   // A helper method for closing the tab in the
   // CloseTabAfterEventTracking() implementation.
@@ skipping 13 matching lines @@
   // focus returns.
   scoped_nsobject<FocusTracker> focus_tracker_;
 
   // Our optional delegate.
   scoped_ptr<content::WebContentsViewDelegate> delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(WebContentsViewMac);
 };
 
 #endif  // CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_VIEW_MAC_H_