Make <a ping> work for context menus.

content/public/common/context_menu_params.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_PUBLIC_COMMON_CONTEXT_MENU_PARAMS_H_
 #define CONTENT_PUBLIC_COMMON_CONTEXT_MENU_PARAMS_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 18 matching lines @@
   static const int32 kCurrentRenderWidget;
 
   CustomContextMenuContext();
 
   bool is_pepper_menu;
   int request_id;
   // The routing ID of the render widget on which the context menu is shown.
   // It could also be |kCurrentRenderWidget|, which means the render widget that
   // the corresponding ViewHostMsg_ContextMenu is sent to.
   int32 render_widget_id;
+
+  GURL link_followed;

[darin (slow to review), 2014/07/22 17:34:39]

Please add some documentation here to explain the purpose of this field.

 };
 
 // FIXME(beng): This would be more useful in the future and more efficient
 //              if the parameters here weren't so literally mapped to what
 //              they contain for the ContextMenu task. It might be better
 //              to make the string fields more generic so that this object
 //              could be used for more contextual actions.
 struct CONTENT_EXPORT ContextMenuParams {
   ContextMenuParams();
   ~ContextMenuParams();
@@ skipping 100 matching lines @@
   // Points representing the coordinates in the document space of the start and
   // end of the selection, if there is one.
   gfx::Point selection_start;
   gfx::Point selection_end;
 #endif
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_COMMON_CONTEXT_MENU_PARAMS_H_