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

chrome/browser/ui/views/autocomplete/autocomplete_popup_contents_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_AUTOCOMPLETE_AUTOCOMPLETE_POPUP_CONTENTS_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_AUTOCOMPLETE_AUTOCOMPLETE_POPUP_CONTENTS_VIEW_H_
 #pragma once
 
 #include "chrome/browser/autocomplete/autocomplete.h"
 #include "chrome/browser/autocomplete/autocomplete_popup_model.h"
 #include "chrome/browser/autocomplete/autocomplete_popup_view.h"
 #include "chrome/browser/ui/views/autocomplete/autocomplete_result_view_model.h"
 #include "ui/base/animation/animation_delegate.h"
 #include "ui/base/animation/slide_animation.h"
 #include "ui/gfx/font.h"
 #include "views/view.h"
 #include "webkit/glue/window_open_disposition.h"
 
 class AutocompleteEditModel;
 struct AutocompleteMatch;
 class AutocompleteResultView;
 class Profile;
 
 namespace gfx {
 class CanvasSkia;
-class Insets;
 }
 
 namespace views {
 class BubbleBorder;
 }
 
 // A view representing the contents of the autocomplete popup.
 class AutocompletePopupContentsView : public views::View,
                                       public AutocompleteResultViewModel,
                                       public AutocompletePopupView,
@@ skipping 134 matching lines @@
   // The popup sizes vertically using an animation when the popup is getting
   // shorter (not larger, that makes it look "slow").
   ui::SlideAnimation size_animation_;
   gfx::Rect start_bounds_;
   gfx::Rect target_bounds_;
 
   DISALLOW_COPY_AND_ASSIGN(AutocompletePopupContentsView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_AUTOCOMPLETE_AUTOCOMPLETE_POPUP_CONTENTS_VIEW_H_