Options: Remove the GTK and Views native options code.

chrome/browser/ui/gtk/options/managed_prefs_banner_gtk.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_GTK_OPTIONS_MANAGED_PREFS_BANNER_GTK_H_
-#define CHROME_BROWSER_UI_GTK_OPTIONS_MANAGED_PREFS_BANNER_GTK_H_
-#pragma once
-
-#include <gtk/gtk.h>
-
-#include "chrome/browser/policy/managed_prefs_banner_base.h"
-
-// Constructs and maintains a GTK widget displaying a warning banner. The banner
-// is displayed on the preferences dialog whenever there are options that are
-// not settable by the user due to policy.
-class ManagedPrefsBannerGtk : public policy::ManagedPrefsBannerBase {
- public:
-  ManagedPrefsBannerGtk(PrefService* prefs, OptionsPage page);
-  virtual ~ManagedPrefsBannerGtk() { }
-
-  GtkWidget* banner_widget() { return banner_widget_; }
-
- protected:
-  // Update widget visibility.
-  virtual void OnUpdateVisibility();
-
- private:
-  // Construct the widget.
-  void InitWidget();
-
-  GtkWidget* banner_widget_;
-
-  DISALLOW_COPY_AND_ASSIGN(ManagedPrefsBannerGtk);
-};
-
-#endif  // CHROME_BROWSER_UI_GTK_OPTIONS_MANAGED_PREFS_BANNER_GTK_H_