separate about page into its own page (included in chrome://chrome)

chrome/browser/ui/webui/about_page/about_page_ui.cc

+// 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.
+
+#include "chrome/browser/ui/webui/about_page/about_page_ui.h"
+
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/ui/webui/about_page/about_page_handler.h"
+#include "chrome/browser/ui/webui/chrome_url_data_manager.h"
+#include "chrome/browser/ui/webui/chrome_web_ui_data_source.h"
+#include "chrome/browser/ui/webui/shared_resources_data_source.h"
+#include "chrome/common/url_constants.h"
+#include "content/public/browser/web_contents.h"
+#include "grit/browser_resources.h"
+
+namespace {
+
+ChromeWebUIDataSource* CreateAboutPageHTMLSource() {
+  ChromeWebUIDataSource* source =
+      new ChromeWebUIDataSource(chrome::kChromeUIAboutPageFrameHost);
+
+  source->set_json_path("strings.js");
+  source->add_resource_path("about_page.js", IDR_ABOUT_PAGE_JS);
+  source->set_default_resource(IDR_ABOUT_PAGE_HTML);
+  return source;
+}
+
+}  // namespace
+
+AboutPageUI::AboutPageUI(content::WebContents* contents) : WebUI(contents) {
+  Profile* profile = Profile::FromBrowserContext(contents->GetBrowserContext());
+  ChromeWebUIDataSource* source = CreateAboutPageHTMLSource();
+  profile->GetChromeURLDataManager()->AddDataSource(source);
+  profile->GetChromeURLDataManager()->AddDataSource(
+      new SharedResourcesDataSource());
+
+  AboutPageHandler* handler = new AboutPageHandler();
+  handler->GetLocalizedValues(source->localized_strings());
+  AddMessageHandler(handler);
+}
+
+AboutPageUI::~AboutPageUI() {
+}