Add internals page for DICE

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 8b8d0b371db761dce952ffa4ae3681ce6f13ca1b..fbdc0bce9fecfc4291d13fb6a83a306df7dccf35 100644
--- a/chrome/browser/ui/webui/chrome_web_ui_controller_factory.cc
+++ b/chrome/browser/ui/webui/chrome_web_ui_controller_factory.cc
@@ -162,6 +162,7 @@
 #include "chrome/browser/ui/sync/sync_promo_ui.h"
 #include "chrome/browser/ui/webui/signin/inline_login_ui.h"
 #include "chrome/browser/ui/webui/signin/md_user_manager_ui.h"
+#include "chrome/browser/ui/webui/signin/signin_dice_internals_ui.h"
 #include "chrome/browser/ui/webui/signin/signin_email_confirmation_ui.h"
 #include "chrome/browser/ui/webui/signin/signin_error_ui.h"
 #include "chrome/browser/ui/webui/signin/sync_confirmation_ui.h"
@@ -396,6 +397,12 @@ WebUIFactoryFunction GetWebUIFactoryFunction(WebUI* web_ui,
       extensions::ExtensionSystem::Get(profile)->extension_service()) {
     return &NewWebUI<AppLauncherPageUI>;
   }
+  // Desktop Identity Consistency is only available on Windows, Linux and macOS.
+  if (url.host() == chrome::kChromeUISigninDiceInternalsHost &&
+      !profile->IsOffTheRecord() &&
+      switches::IsAccountConsistencyDiceEnabled()) {
+    return &NewWebUI<SigninDiceInternalsUI>;
+  }
 #endif  // defined(OS_CHROMEOS)
 
   // Bookmarks are part of NTP on Android.