Add more features to ntp-tiles-internal

chrome/browser/ui/webui/ntp_tiles_internals_ui.cc

 // Copyright 2016 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/ntp_tiles_internals_ui.h"
 
 #include "base/bind.h"
 #include "base/memory/ptr_util.h"
 #include "chrome/browser/favicon/favicon_service_factory.h"
 #include "chrome/browser/history/top_sites_factory.h"
 #include "chrome/browser/ntp_tiles/chrome_most_visited_sites_factory.h"
-#include "chrome/browser/ntp_tiles/chrome_popular_sites_factory.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/search/suggestions/image_decoder_impl.h"
 #include "chrome/browser/search/suggestions/suggestions_service_factory.h"
 #include "chrome/browser/search_engines/template_url_service_factory.h"
 #include "chrome/common/url_constants.h"
 #include "components/grit/components_resources.h"
 #include "components/history/core/browser/top_sites.h"
 #include "components/image_fetcher/image_fetcher_impl.h"
 #include "components/ntp_tiles/field_trial.h"
 #include "components/ntp_tiles/icon_cacher.h"
@@ skipping 12 matching lines @@
     : public content::WebUIMessageHandler,
       public ntp_tiles::NTPTilesInternalsMessageHandlerClient {
  public:
   ChromeNTPTilesInternalsMessageHandlerClient() {}
 
  private:
   // content::WebUIMessageHandler:
   void RegisterMessages() override;
 
   // ntp_tiles::NTPTilesInternalsMessageHandlerClient
-  bool DoesSourceExist(ntp_tiles::NTPTileSource source) override;
+  base::SequencedWorkerPool* GetBlockingPool() override;
   std::unique_ptr<ntp_tiles::MostVisitedSites> MakeMostVisitedSites() 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::NTPTilesInternalsMessageHandler handler_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeNTPTilesInternalsMessageHandlerClient);
 };
 
 void ChromeNTPTilesInternalsMessageHandlerClient::RegisterMessages() {
   handler_.RegisterMessages(this);
 }
 
-bool ChromeNTPTilesInternalsMessageHandlerClient::DoesSourceExist(
-    ntp_tiles::NTPTileSource source) {
-  switch (source) {
-    case ntp_tiles::NTPTileSource::TOP_SITES:
-    case ntp_tiles::NTPTileSource::SUGGESTIONS_SERVICE:
-    case ntp_tiles::NTPTileSource::WHITELIST:
-      return true;
-    case ntp_tiles::NTPTileSource::POPULAR:
-#if defined(OS_ANDROID)
-      return true;
-#else
-      return false;
-#endif
-  }
-  NOTREACHED();
-  return false;
+base::SequencedWorkerPool*
+ChromeNTPTilesInternalsMessageHandlerClient::GetBlockingPool() {
+  return content::BrowserThread::GetBlockingPool();
 }
 
 std::unique_ptr<ntp_tiles::MostVisitedSites>
 ChromeNTPTilesInternalsMessageHandlerClient::MakeMostVisitedSites() {
   return ChromeMostVisitedSitesFactory::NewForProfile(
       Profile::FromWebUI(web_ui()));
 }
 
-std::unique_ptr<ntp_tiles::PopularSites>
-ChromeNTPTilesInternalsMessageHandlerClient::MakePopularSites() {
-#if defined(OS_ANDROID)
-  return ChromePopularSitesFactory::NewForProfile(Profile::FromWebUI(web_ui()));
-#else
-  return nullptr;
-#endif
-}
-
 PrefService* ChromeNTPTilesInternalsMessageHandlerClient::GetPrefs() {
   return Profile::FromWebUI(web_ui())->GetPrefs();
 }
 
 void ChromeNTPTilesInternalsMessageHandlerClient::RegisterMessageCallback(
     const std::string& message,
     const base::Callback<void(const base::ListValue*)>& callback) {
   web_ui()->RegisterMessageCallback(message, callback);
 }
 
@@ skipping 17 matching lines @@
 }  // namespace
 
 NTPTilesInternalsUI::NTPTilesInternalsUI(content::WebUI* web_ui)
     : WebUIController(web_ui) {
   content::WebUIDataSource::Add(Profile::FromWebUI(web_ui),
                                 CreateNTPTilesInternalsHTMLSource());
   web_ui->AddMessageHandler(new ChromeNTPTilesInternalsMessageHandlerClient);
 }
 
 NTPTilesInternalsUI::~NTPTilesInternalsUI() {}