Add chrome://site-tiles-internals/

chrome/browser/ui/webui/chrome_web_ui_controller_factory.cc

Index: chrome/browser/ui/webui/chrome_web_ui_controller_factory.cc
diff --git a/chrome/browser/ui/webui/chrome_web_ui_controller_factory.cc b/chrome/browser/ui/webui/chrome_web_ui_controller_factory.cc
index 8a1544aee6969f6cd932373e48226f38a8234aba..ec923b418153f4f54535e338f7961ac79884daf4 100644
--- a/chrome/browser/ui/webui/chrome_web_ui_controller_factory.cc
+++ b/chrome/browser/ui/webui/chrome_web_ui_controller_factory.cc
@@ -51,6 +51,7 @@
 #include "chrome/browser/ui/webui/settings/md_settings_ui.h"
 #include "chrome/browser/ui/webui/settings_utils.h"
 #include "chrome/browser/ui/webui/signin_internals_ui.h"
+#include "chrome/browser/ui/webui/site_tiles_internals_ui.h"
 #include "chrome/browser/ui/webui/supervised_user_internals_ui.h"
 #include "chrome/browser/ui/webui/sync_internals_ui.h"
 #include "chrome/browser/ui/webui/task_scheduler_internals/task_scheduler_internals_ui.h"
@@ -362,6 +363,8 @@ WebUIFactoryFunction GetWebUIFactoryFunction(WebUI* web_ui,
     return &NewWebUI<ProfilerUI>;
   if (url.host_piece() == chrome::kChromeUISignInInternalsHost)
     return &NewWebUI<SignInInternalsUI>;
+  if (url.host_piece() == chrome::kChromeUISiteTilesInternalsHost)
+    return &NewWebUI<SiteTilesInternalsUI>;
   if (url.host_piece() == chrome::kChromeUISuggestionsHost)
     return &NewWebUI<suggestions::SuggestionsUI>;
   if (url.host_piece() == chrome::kChromeUISupervisedUserInternalsHost)