components: Remove use of MessageLoopProxy and deprecated MessageLoop APIs

components/history/core/test/history_backend_db_base_test.cc

Index: components/history/core/test/history_backend_db_base_test.cc
diff --git a/components/history/core/test/history_backend_db_base_test.cc b/components/history/core/test/history_backend_db_base_test.cc
index 7bfcc3aaff40d209a3d56192b16b1b52e4f8a6b4..20e2db84e26420ca71b0c3a9dfaf1d2865a25a0e 100644
--- a/components/history/core/test/history_backend_db_base_test.cc
+++ b/components/history/core/test/history_backend_db_base_test.cc
@@ -5,6 +5,8 @@
 #include "components/history/core/test/history_backend_db_base_test.h"
 
 #include "base/files/file_path.h"
+#include "base/location.h"
+#include "base/single_thread_task_runner.h"
 #include "base/strings/stringprintf.h"
 #include "base/thread_task_runner_handle.h"
 #include "components/history/core/browser/download_constants.h"
@@ -69,8 +71,8 @@ void HistoryBackendDBBaseTest::TearDown() {
 
   // Make sure we don't have any event pending that could disrupt the next
   // test.
-  base::MessageLoop::current()->PostTask(FROM_HERE,
-                                         base::MessageLoop::QuitClosure());
+  base::ThreadTaskRunnerHandle::Get()->PostTask(
+      FROM_HERE, base::MessageLoop::QuitClosure());
   base::MessageLoop::current()->Run();
 }