Generate a file name when dragging an image to the desktop

webkit/glue/clipboard_conversion.cc

Index: webkit/glue/clipboard_conversion.cc
===================================================================
--- webkit/glue/clipboard_conversion.cc	(revision 8847)
+++ webkit/glue/clipboard_conversion.cc	(working copy)
@@ -24,6 +24,8 @@
   drop_data.url = KURLToGURL(data_object->url);
   drop_data.url_title = StringToStdWString(data_object->urlTitle);
 
+  drop_data.file_extension = StringToStdWString(data_object->fileExtension);
+
   for (size_t i = 0; i < data_object->filenames.size(); ++i) {
     drop_data.filenames.push_back(StringToStdWString(
         data_object->filenames[i]));
@@ -51,6 +53,8 @@
   data_object->url = GURLToKURL(drop_data.url);
   data_object->urlTitle = StdWStringToString(drop_data.url_title);
 
+  data_object->fileExtension = StdWStringToString(drop_data.file_extension);
+
   for (size_t i = 0; i < drop_data.filenames.size(); ++i) {
     data_object->filenames.append(StdWStringToString(drop_data.filenames[i]));
   }