Add initial version of chrome://popular-sites-internals page

chrome/browser/ui/webui/popular_sites_internals_ui.cc

+// 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.
+
+#include "chrome/browser/ui/webui/popular_sites_internals_ui.h"
+
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/ui/webui/popular_sites_internals_message_handler.h"
+#include "chrome/common/url_constants.h"
+#include "content/public/browser/web_ui.h"
+#include "content/public/browser/web_ui_data_source.h"
+#include "grit/browser_resources.h"
+
+content::WebUIDataSource* CreatePopularSitesInternalsHTMLSource() {
+  content::WebUIDataSource* source = content::WebUIDataSource::Create(
+      chrome::kChromeUIPopularSitesInternalsHost);
+
+  source->AddResourcePath("popular_sites_internals.js",
+                          IDR_POPULAR_SITES_INTERNALS_JS);
+  source->AddResourcePath("popular_sites_internals.css",
+                          IDR_POPULAR_SITES_INTERNALS_CSS);
+  source->SetDefaultResource(IDR_POPULAR_SITES_INTERNALS_HTML);
+  return source;
+}
+
+PopularSitesInternalsUI::PopularSitesInternalsUI(content::WebUI* web_ui)
+    : WebUIController(web_ui) {
+  Profile* profile = Profile::FromWebUI(web_ui);
+  content::WebUIDataSource::Add(profile,
+                                CreatePopularSitesInternalsHTMLSource());
+
+  web_ui->AddMessageHandler(new PopularSitesInternalsMessageHandler);
+}
+
+PopularSitesInternalsUI::~PopularSitesInternalsUI() {}