Remove deprecated wait_util methods.

ios/chrome/browser/ui/ntp/new_tab_page_perftest.mm

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #import "base/test/ios/wait_util.h"
 #include "ios/chrome/browser/sessions/ios_chrome_tab_restore_service_factory.h"
 #import "ios/chrome/browser/tabs/tab_model.h"
 #include "ios/chrome/browser/test/perf_test_with_bvc_ios.h"
 #import "ios/chrome/browser/ui/browser_view_controller.h"
 #import "ios/chrome/browser/ui/browser_view_controller_dependency_factory.h"
@@ skipping 20 matching lines @@
         chrome_browser_state_.get(),
         IOSChromeTabRestoreServiceFactory::GetDefaultFactory());
   }
   base::TimeDelta TimedNewTab() {
     base::Time startTime = base::Time::NowFromSystemTime();
     [bvc_ newTab:nil];
     return base::Time::NowFromSystemTime() - startTime;
   }
   void SettleUI() {
     base::test::ios::WaitUntilCondition(
-        nil, nullptr, base::TimeDelta::FromSecondsD(kMaxUICatchupDelay));
+        nil, false, base::TimeDelta::FromSecondsD(kMaxUICatchupDelay));
   }
 };
 
 // Output format first test:
 // [*]RESULT NTP - Create: NTP Gentle Create First Tab= number ms
 // Output format subsequent average:
 // [*]RESULT NTP - Create: NTP Gentle Create= number ms
 TEST_F(NewTabPagePerfTest, OpenNTP_Gentle) {
   RepeatTimedRuns("NTP Gentle Create",
                   ^(int index) {
@@ skipping 12 matching lines @@
   RepeatTimedRuns("NTP Hammer Create",
                   ^(int index) {
                     return TimedNewTab();
                   },
                   nil);
   // Allows the run loops to run before teardown.
   SettleUI();
 }
 
 }  // anonymous namespace