Add abstractions that let embedders drive tests of WebContents.

chrome/browser/ui/gtk/html_dialog_gtk.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_HTML_DIALOG_GTK_H_
 #define CHROME_BROWSER_UI_GTK_HTML_DIALOG_GTK_H_
 #pragma once
 
 #include <string>
 #include <vector>
 
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/ui/webui/html_dialog_tab_contents_delegate.h"
 #include "chrome/browser/ui/webui/html_dialog_ui.h"
 #include "ui/base/gtk/gtk_signal.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/gfx/size.h"
 
 typedef struct _GtkWidget GtkWidget;
 
 class Browser;
 class HtmlDialogController;
 class Profile;
-class TabContents;
 class TabContentsContainerGtk;
 class TabContentsWrapper;
 
 class HtmlDialogGtk : public HtmlDialogTabContentsDelegate,
                       public HtmlDialogUIDelegate {
  public:
   HtmlDialogGtk(Profile* profile,
                 Browser* browser,
                 HtmlDialogUIDelegate* delegate,
                 gfx::NativeWindow parent_window);
@@ skipping 43 matching lines @@
   GtkWidget* dialog_;
 
   scoped_ptr<HtmlDialogController> dialog_controller_;
   scoped_ptr<TabContentsWrapper> tab_;
   scoped_ptr<TabContentsContainerGtk> tab_contents_container_;
 
   DISALLOW_COPY_AND_ASSIGN(HtmlDialogGtk);
 };
 
 #endif  // CHROME_BROWSER_UI_GTK_HTML_DIALOG_GTK_H_