Add chrome://popular-sites-internals/ to iOS.

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/android/ntp/popular_sites.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 "chrome/grit/browser_resources.h"
+#include "components/grit/components_resources.h"
+#include "components/ntp_tiles/popular_sites.h"
+#include "components/ntp_tiles/webui/popular_sites_internals_message_handler.h"
+#include "content/public/browser/browser_thread.h"
 #include "content/public/browser/web_ui.h"
 #include "content/public/browser/web_ui_data_source.h"
+#include "content/public/browser/web_ui_message_handler.h"
+
+namespace {
+
+// The implementation for the chrome://popular-sites-internals page.
+class ChromePopularSitesInternalsMessageHandlerBridge
+    : public content::WebUIMessageHandler,
+      public ntp_tiles::PopularSitesInternalsMessageHandlerClient {
+ public:
+  ChromePopularSitesInternalsMessageHandlerBridge() : handler_(this) {}
+
+ private:
+  // content::WebUIMessageHandler:
+  void RegisterMessages() override;
+
+  // ntp_tiles::PopularSitesInternalsMessageHandlerClient
+  base::SequencedWorkerPool* GetBlockingPool() override;
+  std::unique_ptr<ntp_tiles::PopularSites> MakePopularSites() override;
+  PrefService* GetPrefs() override;
+  void RegisterMessageCallback(
+      const std::string& message,
+      const base::Callback<void(const base::ListValue*)>& callback) override;
+  void CallJavascriptFunctionVector(
+      const std::string& name,
+      const std::vector<const base::Value*>& values) override;
+
+  ntp_tiles::PopularSitesInternalsMessageHandler handler_;
+
+  DISALLOW_COPY_AND_ASSIGN(ChromePopularSitesInternalsMessageHandlerBridge);
+};
+
+void ChromePopularSitesInternalsMessageHandlerBridge::RegisterMessages() {
+  handler_.RegisterMessages();
+}
+
+base::SequencedWorkerPool*
+ChromePopularSitesInternalsMessageHandlerBridge::GetBlockingPool() {
+  return content::BrowserThread::GetBlockingPool();
+}
+
+std::unique_ptr<ntp_tiles::PopularSites>
+ChromePopularSitesInternalsMessageHandlerBridge::MakePopularSites() {
+  return ChromePopularSites::NewForProfile(Profile::FromWebUI(web_ui()));
+}
+
+PrefService* ChromePopularSitesInternalsMessageHandlerBridge::GetPrefs() {
+  return Profile::FromWebUI(web_ui())->GetPrefs();
+}
+
+void ChromePopularSitesInternalsMessageHandlerBridge::RegisterMessageCallback(
+    const std::string& message,
+    const base::Callback<void(const base::ListValue*)>& callback) {
+  web_ui()->RegisterMessageCallback(message, callback);
+}
+
+void ChromePopularSitesInternalsMessageHandlerBridge::
+    CallJavascriptFunctionVector(
+        const std::string& name,
+        const std::vector<const base::Value*>& values) {
+  web_ui()->CallJavascriptFunctionUnsafe(name, values);
+}
+
+}  // namespace
 
 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);
-  source->DisableI18nAndUseGzipForAllPaths();
   return source;
 }
 
 PopularSitesInternalsUI::PopularSitesInternalsUI(content::WebUI* web_ui)
     : WebUIController(web_ui) {
-  Profile* profile = Profile::FromWebUI(web_ui);
-  content::WebUIDataSource::Add(profile,
+  content::WebUIDataSource::Add(Profile::FromWebUI(web_ui),
                                 CreatePopularSitesInternalsHTMLSource());
-
-  web_ui->AddMessageHandler(new PopularSitesInternalsMessageHandler);
+  web_ui->AddMessageHandler(
+      new ChromePopularSitesInternalsMessageHandlerBridge);
 }
 
 PopularSitesInternalsUI::~PopularSitesInternalsUI() {}