sync: Use base::MessageLoop.

sync/internal_api/sync_encryption_handler_impl.cc

Index: sync/internal_api/sync_encryption_handler_impl.cc
diff --git a/sync/internal_api/sync_encryption_handler_impl.cc b/sync/internal_api/sync_encryption_handler_impl.cc
index 71bf4d5213a6b8bb049cbe119577efe41dc7d589..48ad2a8d6c8ea3520ba365ed1f836ccaed2e9237 100644
--- a/sync/internal_api/sync_encryption_handler_impl.cc
+++ b/sync/internal_api/sync_encryption_handler_impl.cc
@@ -650,7 +650,7 @@ void SyncEncryptionHandlerImpl::ApplyNigoriUpdate(
   DCHECK(thread_checker_.CalledOnValidThread());
   DCHECK(trans);
   if (!ApplyNigoriUpdateImpl(nigori, trans)) {
-    MessageLoop::current()->PostTask(
+    base::MessageLoop::current()->PostTask(
         FROM_HERE,
         base::Bind(&SyncEncryptionHandlerImpl::RewriteNigori,
                    weak_ptr_factory_.GetWeakPtr()));
@@ -739,7 +739,7 @@ bool SyncEncryptionHandlerImpl::SetKeystoreKeys(
   // Note that triggering migration will have no effect if we're already
   // properly migrated with the newest keystore keys.
   if (ShouldTriggerMigration(nigori, *cryptographer)) {
-    MessageLoop::current()->PostTask(
+    base::MessageLoop::current()->PostTask(
         FROM_HERE,
         base::Bind(&SyncEncryptionHandlerImpl::RewriteNigori,
                    weak_ptr_factory_.GetWeakPtr()));