[MD settings] pulling in chrome.send for using current pages for on startup pages]

chrome/browser/ui/webui/settings/settings_startup_pages_handler.h

+// Copyright 2015 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_WEBUI_SETTINGS_SETTINGS_STARTUP_PAGES_HANDLER_H_
+#define CHROME_BROWSER_UI_WEBUI_SETTINGS_SETTINGS_STARTUP_PAGES_HANDLER_H_
+
+#include "base/macros.h"
+#include "base/memory/scoped_ptr.h"
+#include "chrome/browser/custom_home_pages_table_model.h"
+#include "chrome/browser/ui/webui/settings/md_settings_ui.h"
+#include "ui/base/models/table_model_observer.h"
+
+namespace base {
+class ListValue;
+}
+
+namespace content {
+class WebUI;
+}
+
+namespace settings {
+
+// Chrome browser startup settings handler.
+class StartupPagesHandler : public SettingsPageUIHandler,
+                            public ui::TableModelObserver {
+ public:
+  explicit StartupPagesHandler(content::WebUI* webui);
+  ~StartupPagesHandler() override;
+
+  // OptionsPageUIHandler:
+  void RegisterMessages() override;
+
+  // ui::TableModelObserver:
+  void OnModelChanged() override;
+  void OnItemsChanged(int start, int length) override;
+  void OnItemsAdded(int start, int length) override;
+  void OnItemsRemoved(int start, int length) override;
+
+ private:
+  // Sets the startup page set to the current pages. Called from WebUI.
+  void SetStartupPagesToCurrentPages(const base::ListValue* args);
+
+  CustomHomePagesTableModel startup_custom_pages_table_model_;
+
+  DISALLOW_COPY_AND_ASSIGN(StartupPagesHandler);
+};
+
+}  // namespace settings
+
+#endif  // CHROME_BROWSER_UI_WEBUI_SETTINGS_SETTINGS_STARTUP_PAGES_HANDLER_H_