Eliminate InterfaceRegistry

ios/web/webui/web_ui_mojo_inttest.mm

Index: ios/web/webui/web_ui_mojo_inttest.mm
diff --git a/ios/web/webui/web_ui_mojo_inttest.mm b/ios/web/webui/web_ui_mojo_inttest.mm
index d709279c517a370eaca5ade16f4265ec98bc9e6d..6c13fba7d73d10ff6e3629582d49b063ddc785a6 100644
--- a/ios/web/webui/web_ui_mojo_inttest.mm
+++ b/ios/web/webui/web_ui_mojo_inttest.mm
@@ -20,7 +20,6 @@
 #import "ios/web/web_state/web_state_impl.h"
 #include "mojo/public/cpp/bindings/binding_set.h"
 #include "services/service_manager/public/cpp/identity.h"
-#include "services/service_manager/public/cpp/interface_registry.h"
 #include "url/gurl.h"
 #include "url/scheme_host_port.h"
 
@@ -103,7 +102,8 @@ class TestUI : public WebUIIOSController {
     web::WebState* web_state = web_ui->GetWebState();
     web::WebUIIOSDataSource::Add(web_state->GetBrowserState(), source);
 
-    web_state->GetMojoInterfaceRegistry()->AddInterface(ui_handler);
+    web_state->GetWebStateInterfaceProvider()->registry()->AddInterface(
+        ui_handler);
   }
 };