Cleanup forward declared classes that are not needed.

chrome/views/native_button.h

 // Copyright (c) 2006-2008 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_VIEWS_NATIVE_BUTTON_H__
 #define CHROME_VIEWS_NATIVE_BUTTON_H__
 
 #include <string>
 
 #include "base/gfx/size.h"
 #include "chrome/common/gfx/chrome_font.h"
 #include "chrome/views/native_control.h"
 
 namespace views {
 
-class HWNDView;
-
 ////////////////////////////////////////////////////////////////////////////////
 //
 // NativeButton is a wrapper for a windows native button
 // TODO(beng): (Cleanup) this should derive also from some button-like base to
 //             get all the listenery-stuff for free and to work with
 //             AddManagedButton.
 //
 ////////////////////////////////////////////////////////////////////////////////
 class NativeButton : public NativeControl {
  public:
@@ skipping 85 matching lines @@
  private:
   NativeButton() {}
 
   // Initializes the button. If |is_default| is true, this appears like the
   // "default" button, and will register Enter as its keyboard accelerator.
   void Init(const std::wstring& label, bool is_default);
 
   void Clicked();
 
   // Whether the button preferred size should follow the Microsoft layout
-  // guidelines.  Default is true.  
+  // guidelines.  Default is true.
   bool enforce_dlu_min_size_;
 
   std::wstring label_;
   ChromeFont font_;
   Listener* listener_;
 
   CSize padding_;
 
   // True if the button should be rendered to appear like the "default" button
   // in the containing dialog box. Default buttons register Enter as their
   // accelerator.
   bool is_default_;
 
   // Minimum size, in dlus (see SetMinSizeFromDLUs).
   gfx::Size min_dlu_size_;
 
   // Storage of strings needed for accessibility.
   std::wstring accessible_name_;
 
-  DISALLOW_EVIL_CONSTRUCTORS(NativeButton);
+  DISALLOW_COPY_AND_ASSIGN(NativeButton);
 };
 
 }  // namespace views
 
 #endif  // CHROME_VIEWS_NATIVE_BUTTON_H__
-