Remove deprecated wait_util methods.

ios/web/public/test/web_test_with_web_state.mm

Index: ios/web/public/test/web_test_with_web_state.mm
diff --git a/ios/web/public/test/web_test_with_web_state.mm b/ios/web/public/test/web_test_with_web_state.mm
index 6ad0beb34e64d86f314bb9ffd1659cfb152d642b..1b868c9daf9b120043a844e4449d45f8869bb7ef 100644
--- a/ios/web/public/test/web_test_with_web_state.mm
+++ b/ios/web/public/test/web_test_with_web_state.mm
@@ -113,9 +113,7 @@ void WebTestWithWebState::WaitForBackgroundTasks() {
 }
 
 void WebTestWithWebState::WaitForCondition(ConditionBlock condition) {
-  base::MessageLoop* messageLoop = base::MessageLoop::current();
-  DCHECK(messageLoop);
-  base::test::ios::WaitUntilCondition(condition, messageLoop,
+  base::test::ios::WaitUntilCondition(condition, true,
                                       base::TimeDelta::FromSeconds(10));
 }