Cleanup: Remove unneeded forward declarations from chrome/browser/ui/views.

chrome/browser/ui/views/repost_form_warning_view.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_VIEWS_REPOST_FORM_WARNING_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_REPOST_FORM_WARNING_VIEW_H_
 #pragma once
 
 #include "ui/gfx/native_widget_types.h"
 #include "views/window/dialog_delegate.h"
 
-class ConstrainedWindow;
-class NavigationController;
 class RepostFormWarningController;
 class TabContents;
 
 namespace views {
 class MessageBoxView;
 }
 
 // Displays a dialog that warns the user that they are about to resubmit
 // a form.
 // To display the dialog, allocate this object on the heap. It will open the
@@ skipping 22 matching lines @@
 
   scoped_ptr<RepostFormWarningController> controller_;
 
   // The message box view whose commands we handle.
   views::MessageBoxView* message_box_view_;
 
   DISALLOW_COPY_AND_ASSIGN(RepostFormWarningView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_REPOST_FORM_WARNING_VIEW_H_