Remove calls to deprecated MessageLoop methods on Windows and Linux.

chrome/browser/importer/edge_importer_browsertest_win.cc

Index: chrome/browser/importer/edge_importer_browsertest_win.cc
diff --git a/chrome/browser/importer/edge_importer_browsertest_win.cc b/chrome/browser/importer/edge_importer_browsertest_win.cc
index 22f39ba0e046fd8b2ae038642d2b3c846919c9e1..9ade2ac8e28294eb143cf39d2cbd8233b7d2e756 100644
--- a/chrome/browser/importer/edge_importer_browsertest_win.cc
+++ b/chrome/browser/importer/edge_importer_browsertest_win.cc
@@ -11,6 +11,7 @@
 #include "base/macros.h"
 #include "base/message_loop/message_loop.h"
 #include "base/path_service.h"
+#include "base/run_loop.h"
 #include "base/strings/string16.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
@@ -225,7 +226,7 @@ IN_PROC_BROWSER_TEST_F(EdgeImporterBrowserTest, EdgeImporter) {
 
   host->StartImportSettings(source_profile, browser()->profile(),
                             importer::FAVORITES, observer.get());
-  base::MessageLoop::current()->Run();
+  base::RunLoop().Run();
 }
 
 IN_PROC_BROWSER_TEST_F(EdgeImporterBrowserTest, EdgeImporterLegacyFallback) {
@@ -263,7 +264,7 @@ IN_PROC_BROWSER_TEST_F(EdgeImporterBrowserTest, EdgeImporterLegacyFallback) {
 
   host->StartImportSettings(source_profile, browser()->profile(),
                             importer::FAVORITES, observer.get());
-  base::MessageLoop::current()->Run();
+  base::RunLoop().Run();
 }
 
 IN_PROC_BROWSER_TEST_F(EdgeImporterBrowserTest, EdgeImporterNoDatabase) {
@@ -294,5 +295,5 @@ IN_PROC_BROWSER_TEST_F(EdgeImporterBrowserTest, EdgeImporterNoDatabase) {
 
   host->StartImportSettings(source_profile, browser()->profile(),
                             importer::FAVORITES, observer.get());
-  base::MessageLoop::current()->Run();
+  base::RunLoop().Run();
 }