Fix glue for ClipboardHostMsg_ReadAvailableTypes.

ui/base/clipboard/clipboard_linux.cc

 // Copyright (c) 2011 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.
 
 #include "ui/base/clipboard/clipboard.h"
 
 #include <gtk/gtk.h>
 #include <map>
 #include <set>
 #include <string>
@@ skipping 274 matching lines @@
   gtk_selection_data_free(data);
 
   return retval;
 }
 
 bool Clipboard::IsFormatAvailableByString(const std::string& format,
                                           Clipboard::Buffer buffer) const {
   return IsFormatAvailable(format, buffer);
 }
 
+void Clipboard::ReadAvailableTypes(Clipboard::Buffer buffer,
+                                   std::vector<string16>* types,
+                                   bool* contains_filenames) const {
+  if (!types || !contains_filenames) {
+    NOTREACHED();
+    return;
+  }
+
+  // TODO(dcheng): Implement me.
+  types->clear();
+  *contains_filenames = false;
+}
+
+
 void Clipboard::ReadText(Clipboard::Buffer buffer, string16* result) const {
   GtkClipboard* clipboard = LookupBackingClipboard(buffer);
   if (clipboard == NULL)
     return;
 
   result->clear();
   gchar* text = gtk_clipboard_wait_for_text(clipboard);
 
   if (text == NULL)
     return;
@@ skipping 116 matching lines @@
       return clipboard_;
     case BUFFER_SELECTION:
       return primary_selection_;
     default:
       NOTREACHED();
       return NULL;
   }
 }
 
 }  // namespace ui