GTK plumbing for dragend.

app/gtk_dnd_util.h

 // Copyright (c) 2009 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 APP_GTK_DND_UTIL_H_
 #define APP_GTK_DND_UTIL_H_
 
 #include <gtk/gtk.h>
 
 #include <vector>
@@ skipping 60 matching lines @@
 // |url| and |title|. Returns true if the url/title were safely extracted
 // and the url is valid.
 bool ExtractNamedURL(GtkSelectionData* selection_data,
                      GURL* url,
                      string16* title);
 
 // Extracts data of type TEXT_URI_LIST from |selection_data| into |urls|.
 bool ExtractURIList(GtkSelectionData* selection_data,
                     std::vector<GURL>* urls);
 
-// Convenience method for converting between a web drag operation and the GDK
+// Convenience methods for converting between web drag operations and the GDK
 // equivalent.
 GdkDragAction WebDragOpToGdkDragAction(WebKit::WebDragOperationsMask op);
+WebKit::WebDragOperationsMask GdkDragActionToWebDragOp(GdkDragAction action);
 
 }  // namespace gtk_dnd_util
 
 #endif  // APP_GTK_DND_UTIL_H_