chrome: Cleanup class/struct forward declarations

chrome/browser/ui/autofill/autofill_popup_layout_model.h

 // Copyright (c) 2016 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_AUTOFILL_AUTOFILL_POPUP_LAYOUT_MODEL_H_
 #define CHROME_BROWSER_UI_AUTOFILL_AUTOFILL_POPUP_LAYOUT_MODEL_H_
 
 #include <stddef.h>
 
 #include "base/strings/string16.h"
 #include "chrome/browser/ui/autofill/autofill_popup_view_delegate.h"
 #include "chrome/browser/ui/autofill/popup_view_common.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "ui/gfx/font_list.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/native_widget_types.h"
 
-namespace gfx {
-class Display;
-class Point;
-}
-
-namespace ui {
-class KeyEvent;
-}
-
 namespace autofill {
 
 // Helper class which keeps tracks of popup bounds and related view information.
 // TODO(mathp): investigate moving ownership of this class to the view.
 class AutofillPopupLayoutModel {
  public:
   explicit AutofillPopupLayoutModel(AutofillPopupViewDelegate* delegate);
   ~AutofillPopupLayoutModel();
 
   // The minimum amount of padding between the Autofill name and subtext,
@@ skipping 72 matching lines @@
   PopupViewCommon view_common_;
 
   AutofillPopupViewDelegate* delegate_;  // Weak reference.
 
   DISALLOW_COPY_AND_ASSIGN(AutofillPopupLayoutModel);
 };
 
 }  // namespace autofill
 
 #endif  // CHROME_BROWSER_UI_AUTOFILL_AUTOFILL_POPUP_LAYOUT_MODEL_H_