Remove use of deprecated MessageLoop methods in chrome/.

chrome/browser/chromeos/policy/enterprise_install_attributes.cc

Index: chrome/browser/chromeos/policy/enterprise_install_attributes.cc
diff --git a/chrome/browser/chromeos/policy/enterprise_install_attributes.cc b/chrome/browser/chromeos/policy/enterprise_install_attributes.cc
index 26454110527545d33717662d5fa6a0ae3f420c63..c303e9ad6a37e36692a46ba3a1644dae99d7bb2d 100644
--- a/chrome/browser/chromeos/policy/enterprise_install_attributes.cc
+++ b/chrome/browser/chromeos/policy/enterprise_install_attributes.cc
@@ -13,9 +13,10 @@
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/macros.h"
-#include "base/message_loop/message_loop.h"
 #include "base/metrics/histogram_base.h"
 #include "base/metrics/histogram_macros.h"
+#include "base/single_thread_task_runner.h"
+#include "base/threading/thread_task_runner_handle.h"
 #include "base/time/time.h"
 #include "chrome/browser/chromeos/policy/proto/install_attributes.pb.h"
 #include "chromeos/cryptohome/cryptohome_util.h"
@@ -375,11 +376,10 @@ void EnterpriseInstallAttributes::OnTpmOwnerCheckCompleted(
     bool result) {
   if (call_status != chromeos::DBUS_METHOD_CALL_SUCCESS &&
       dbus_retries_remaining) {
-    base::MessageLoop::current()->PostDelayedTask(
+    base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
         FROM_HERE,
         base::Bind(&EnterpriseInstallAttributes::TriggerConsistencyCheck,
-                   weak_ptr_factory_.GetWeakPtr(),
-                   dbus_retries_remaining - 1),
+                   weak_ptr_factory_.GetWeakPtr(), dbus_retries_remaining - 1),
         base::TimeDelta::FromSeconds(kDbusRetryIntervalInSeconds));
     return;
   }