Remove calls to deprecated MessageLoop methods in components.

components/autofill/core/browser/autofill_download_manager_unittest.cc

Index: components/autofill/core/browser/autofill_download_manager_unittest.cc
diff --git a/components/autofill/core/browser/autofill_download_manager_unittest.cc b/components/autofill/core/browser/autofill_download_manager_unittest.cc
index e72edf6232b84ee63145541e4e6d9ca856f9b6bf..1a359d04b13bfdf426f9bfb1d65e9474d8453082 100644
--- a/components/autofill/core/browser/autofill_download_manager_unittest.cc
+++ b/components/autofill/core/browser/autofill_download_manager_unittest.cc
@@ -10,6 +10,7 @@
 #include <memory>
 #include <utility>
 
+#include "base/run_loop.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
@@ -363,7 +364,7 @@ TEST_F(AutofillDownloadManagerTest, BackoffLogic_Query) {
   base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
       FROM_HERE, base::MessageLoop::QuitWhenIdleClosure(),
       base::TimeDelta::FromMilliseconds(1100));
-  base::MessageLoop::current()->Run();
+  base::RunLoop().Run();
 
   // Get the retried request.
   fetcher = factory.GetFetcherByID(1);
@@ -419,7 +420,7 @@ TEST_F(AutofillDownloadManagerTest, BackoffLogic_Upload) {
   base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
       FROM_HERE, base::MessageLoop::QuitWhenIdleClosure(),
       base::TimeDelta::FromMilliseconds(1100));
-  base::MessageLoop::current()->Run();
+  base::RunLoop().Run();
 
   // Check that it was a failure.
   EXPECT_EQ(AutofillDownloadManagerTest::REQUEST_UPLOAD_FAILED,