Mac: ExternalPopupMenu::close should hide a showing popup menu.

content/port/browser/render_view_host_delegate_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 CONTENT_PORT_BROWSER_RENDER_VIEW_HOST_DELEGATE_VIEW_H_
 #define CONTENT_PORT_BROWSER_RENDER_VIEW_HOST_DELEGATE_VIEW_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 29 matching lines @@
   // This method should call RenderViewHost::DidSelectPopupMenuItem[s]() or
   // RenderViewHost::DidCancelPopupMenu() based on the user action.
   virtual void ShowPopupMenu(const gfx::Rect& bounds,
                              int item_height,
                              double item_font_size,
                              int selected_item,
                              const std::vector<MenuItem>& items,
                              bool right_aligned,
                              bool allow_multiple_selection) = 0;
 
+  // Hides a popup menu opened by ShowPopupMenu().
+  virtual void HidePopupMenu() = 0;
+
   // The user started dragging content of the specified type within the
   // RenderView. Contextual information about the dragged content is supplied
   // by DropData. If the delegate's view cannot start the drag for /any/
   // reason, it must inform the renderer that the drag has ended; otherwise,
   // this results in bugs like http://crbug.com/157134.
   virtual void StartDragging(const DropData& drop_data,
                              blink::WebDragOperationsMask allowed_ops,
                              const gfx::ImageSkia& image,
                              const gfx::Vector2d& image_offset,
                              const DragEventSourceInfo& event_info) {}
@@ skipping 10 matching lines @@
   // retrieved by doing a Shift-Tab.
   virtual void TakeFocus(bool reverse) {}
 
  protected:
   virtual ~RenderViewHostDelegateView() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PORT_BROWSER_RENDER_VIEW_HOST_DELEGATE_VIEW_H_