Remove calls to deprecated MessageLoop methods in components.

components/network_time/network_time_tracker.cc

 // Copyright 2014 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.
 
 #include "components/network_time/network_time_tracker.h"
 
 #include <stdint.h>
 #include <string>
 #include <utility>
 
 #include "base/feature_list.h"
 #include "base/i18n/time_formatting.h"
 #include "base/json/json_reader.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
 #include "base/rand_util.h"
+#include "base/run_loop.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/time/tick_clock.h"
 #include "build/build_config.h"
 #include "components/client_update_protocol/ecdsa.h"
 #include "components/network_time/network_time_pref_names.h"
 #include "components/prefs/pref_registry_simple.h"
 #include "components/prefs/pref_service.h"
 #include "components/variations/variations_associated_data.h"
 #include "net/base/load_flags.h"
@@ skipping 257 matching lines @@
 }
 
 bool NetworkTimeTracker::QueryTimeServiceForTesting() {
   CheckTime();
   loop_ = base::MessageLoop::current();  // Gets Quit on completion.
   return time_fetcher_ != nullptr;
 }
 
 void NetworkTimeTracker::WaitForFetchForTesting(uint32_t nonce) {
   query_signer_->OverrideNonceForTesting(kKeyVersion, nonce);
-  base::MessageLoop::current()->Run();
+  base::RunLoop().Run();
 }
 
 base::TimeDelta NetworkTimeTracker::GetTimerDelayForTesting() const {
   DCHECK(timer_.IsRunning());
   return timer_.GetCurrentDelay();
 }
 
 bool NetworkTimeTracker::GetNetworkTime(base::Time* network_time,
                                         base::TimeDelta* uncertainty) const {
   DCHECK(thread_checker_.CalledOnValidThread());
@@ skipping 150 matching lines @@
   base::Time network_time;
   if (!GetNetworkTime(&network_time, nullptr)) {
     return true;
   }
 
   // Otherwise, make the decision at random.
   return base::RandDouble() < RandomQueryProbability();
 }
 
 }  // namespace network_time