Move WebDialogWebContentsDelegate to ui/web_dialogs.

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"
 #include "chrome/browser/ui/browser_dialogs.h"
 #include "chrome/browser/ui/gtk/gtk_util.h"
 #include "chrome/browser/ui/gtk/tab_contents_container_gtk.h"
 #include "chrome/browser/ui/tab_contents/tab_contents.h"
 #include "chrome/browser/ui/webui/chrome_web_contents_handler.h"
 #include "content/public/browser/native_web_keyboard_event.h"
 #include "content/public/browser/web_contents.h"
 #include "ui/web_dialogs/web_dialog_ui.h"
 
 using content::NativeWebKeyboardEvent;
 using content::WebContents;
 using content::WebUIMessageHandler;
 using ui::WebDialogDelegate;
 using ui::WebDialogUI;
+using ui::WebDialogWebContentsDelegate;
 
 namespace chrome {
 
 gfx::NativeWindow ShowWebDialog(gfx::NativeWindow parent,
                                 content::BrowserContext* context,
                                 WebDialogDelegate* delegate) {
   WebDialogGtk* web_dialog = new WebDialogGtk(context, delegate, parent);
   return web_dialog->InitDialog();
 }
 
@@ skipping 219 matching lines @@
   }
 
   gtk_widget_show_all(dialog_);
 
   return GTK_WINDOW(dialog_);
 }
 
 void WebDialogGtk::OnResponse(GtkWidget* dialog, int response_id) {
   OnDialogClosed(std::string());
 }