Cleanup: remove unused internet and system pages for chrome os options.

chrome/browser/chromeos/options/settings_page_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_CHROMEOS_OPTIONS_SETTINGS_PAGE_VIEW_H_
-#define CHROME_BROWSER_CHROMEOS_OPTIONS_SETTINGS_PAGE_VIEW_H_
-#pragma once
-
-#include <gtk/gtk.h>
-
-#include "base/basictypes.h"
-#include "chrome/browser/ui/views/options/options_page_view.h"
-#include "views/layout/grid_layout.h"
-
-using views::ColumnSet;
-using views::GridLayout;
-
-namespace chromeos {
-
-class SettingsContentsView;
-
-// Settings page for Chrome OS.
-class SettingsPageView : public OptionsPageView {
- public:
-  explicit SettingsPageView(Profile* profile);
-
-  // Wraps the SettingsPageView in a GtkWidget and returns it. It's up to the
-  // caller to delete (unref) the returned widget, which in turn deletes this
-  // SettingsPageView.
-  GtkWidget* WrapInGtkWidget();
-
- protected:
-  virtual void InitControlLayout() = 0;
-
-  DISALLOW_COPY_AND_ASSIGN(SettingsPageView);
-};
-
-// Base section class settings
-class SettingsPageSection : public OptionsPageView {
- public:
-  explicit SettingsPageSection(Profile* profile, int title_msg_id);
-  virtual ~SettingsPageSection() {}
-
- protected:
-  // OptionsPageView overrides:
-  virtual void InitControlLayout();
-  virtual void InitContents(GridLayout* layout) = 0;
-
-  int single_column_view_set_id() const { return single_column_view_set_id_; }
-  int double_column_view_set_id() const { return double_column_view_set_id_; }
-
- private:
-  // The message id for the title of this section.
-  int title_msg_id_;
-
-  int single_column_view_set_id_;
-  int double_column_view_set_id_;
-
-  DISALLOW_COPY_AND_ASSIGN(SettingsPageSection);
-};
-
-}  // namespace chromeos
-
-#endif  // CHROME_BROWSER_CHROMEOS_OPTIONS_SETTINGS_PAGE_VIEW_H_