Panels refactor: Support browserless panels on Linux.

chrome/browser/ui/gtk/gtk_util.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 CHROME_BROWSER_UI_GTK_GTK_UTIL_H_
 #define CHROME_BROWSER_UI_GTK_GTK_UTIL_H_
 
 #include <gtk/gtk.h>
 #include <string>
 #include <vector>
@@ skipping 290 matching lines @@
 // PANGO_ELLIPSIZE_END.
 // It must be done when the label is mapped (become visible on the screen),
 // to make sure the pango can get correct font information for the calculation.
 void InitLabelSizeRequestAndEllipsizeMode(GtkWidget* label);
 
 // A helper function for gtk_message_dialog_new() to work around a few KDE 3
 // window manager bugs. You should always call it after creating a dialog with
 // gtk_message_dialog_new.
 void ApplyMessageDialogQuirks(GtkWidget* dialog);
 
-// Performs Cut/Copy/Paste operation on the |window|.
-void DoCut(BrowserWindow* window);
-void DoCopy(BrowserWindow* window);
-void DoPaste(BrowserWindow* window);
-
 }  // namespace gtk_util
 
 #endif  // CHROME_BROWSER_UI_GTK_GTK_UTIL_H_