Add more features to ntp-tiles-internal

chrome/browser/ui/webui/ntp_tiles_internals_ui.cc

Index: chrome/browser/ui/webui/ntp_tiles_internals_ui.cc
diff --git a/chrome/browser/ui/webui/ntp_tiles_internals_ui.cc b/chrome/browser/ui/webui/ntp_tiles_internals_ui.cc
index 6f705979b20d9278f3988bafb3819b7747c2334b..ba5a46b84795256f243d6d7c9d447823f29a30b7 100644
--- a/chrome/browser/ui/webui/ntp_tiles_internals_ui.cc
+++ b/chrome/browser/ui/webui/ntp_tiles_internals_ui.cc
@@ -9,7 +9,6 @@
 #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"
@@ -42,9 +41,8 @@ class ChromeNTPTilesInternalsMessageHandlerClient
   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,
@@ -62,22 +60,9 @@ 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>
@@ -86,15 +71,6 @@ ChromeNTPTilesInternalsMessageHandlerClient::MakeMostVisitedSites() {
       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();
 }