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

chrome/browser/android/ntp/popular_sites.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/android/ntp/popular_sites.h"
 
+#include "base/bind.h"
+#include "base/memory/ptr_util.h"
 #include "base/path_service.h"
+#include "chrome/browser/browser_process.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/search_engines/template_url_service_factory.h"
 #include "chrome/common/chrome_paths.h"
+#include "components/ntp_tiles/popular_sites.h"
+#include "components/safe_json/safe_json_parser.h"
+#include "content/public/browser/browser_thread.h"
 
-base::FilePath ChromePopularSites::GetDirectory() {
-  base::FilePath dir;
-  PathService::Get(chrome::DIR_USER_DATA, &dir);
-  return dir;  // empty if PathService::Get() failed.
+std::unique_ptr<ntp_tiles::PopularSites> ChromePopularSites::NewForProfile(
+    Profile* profile) {
+  base::FilePath directory;  // remains empty if PathService::Get() fails.
+  PathService::Get(chrome::DIR_USER_DATA, &directory);
+  return base::MakeUnique<ntp_tiles::PopularSites>(
+      content::BrowserThread::GetBlockingPool(), profile->GetPrefs(),
+      TemplateURLServiceFactory::GetForProfile(profile),
+      g_browser_process->variations_service(), profile->GetRequestContext(),
+      directory, base::Bind(safe_json::SafeJsonParser::Parse));
 }