browser/ui: Remove unused definitions of CloseWebDialog() function.

chrome/browser/ui/gtk/web_dialog_gtk.cc

 // 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.
 
 #include "chrome/browser/ui/gtk/web_dialog_gtk.h"
 
 #include <gtk/gtk.h>
 
 #include "base/property_bag.h"
 #include "base/utf_string_conversions.h"
@@ skipping 12 matching lines @@
 
 using content::WebContents;
 using content::WebUIMessageHandler;
 
 namespace browser {
 
 gfx::NativeWindow ShowWebDialog(gfx::NativeWindow parent,
                                 Profile* profile,
                                 Browser* browser,
                                 WebDialogDelegate* delegate) {
-  // Ignore style for now. The style parameter only used in the implementation
-  // in web_dialog_view.cc file.
   WebDialogGtk* web_dialog =
       new WebDialogGtk(profile, browser, delegate, parent);
   return web_dialog->InitDialog();
 }
 
-void CloseWebDialog(gfx::NativeWindow window) {
-  gtk_dialog_response(GTK_DIALOG(window), GTK_RESPONSE_CLOSE);
-}
-
 } // namespace browser
 
 namespace {
 
 void SetDialogStyle() {
   static bool style_was_set = false;
 
   if (style_was_set)
     return;
   style_was_set = true;
@@ skipping 211 matching lines @@
   }
 
   gtk_widget_show_all(dialog_);
 
   return GTK_WINDOW(dialog_);
 }
 
 void WebDialogGtk::OnResponse(GtkWidget* dialog, int response_id) {
   OnDialogClosed(std::string());
 }