Remove calls to deprecated MessageLoop methods in chrome.

chrome/browser/importer/firefox_importer_browsertest.cc

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <stddef.h>
 
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/macros.h"
 #include "base/message_loop/message_loop.h"
 #include "base/path_service.h"
+#include "base/run_loop.h"
 #include "base/stl_util.h"
 #include "base/strings/string16.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "build/build_config.h"
 #include "chrome/browser/importer/external_process_importer_host.h"
 #include "chrome/browser/importer/importer_progress_observer.h"
 #include "chrome/browser/importer/importer_unittest_utils.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/common/chrome_paths.h"
@@ skipping 297 matching lines @@
     source_profile.locale = "en-US";
 
     int items = importer::HISTORY | importer::PASSWORDS | importer::FAVORITES |
                 importer::SEARCH_ENGINES | importer::AUTOFILL_FORM_DATA;
 
     // Deletes itself.
     ExternalProcessImporterHost* host = new ExternalProcessImporterHost;
     host->set_observer(observer);
     host->StartImportSettings(
         source_profile, browser()->profile(), items, writer);
-    base::MessageLoop::current()->Run();
+    base::RunLoop().Run();
   }
 
   base::ScopedTempDir temp_dir_;
   base::FilePath profile_path_;
   base::FilePath app_path_;
 };
 
 IN_PROC_BROWSER_TEST_F(FirefoxProfileImporterBrowserTest,
                        MAYBE_IMPORTER(Firefox30Importer)) {
   scoped_refptr<FirefoxObserver> observer(new FirefoxObserver(false));
@@ skipping 13 matching lines @@
   scoped_refptr<FirefoxObserver> observer(new FirefoxObserver(true));
   FirefoxImporterBrowserTest("firefox_profile", observer.get(), observer.get());
 }
 
 IN_PROC_BROWSER_TEST_F(FirefoxProfileImporterBrowserTest,
                        MAYBE_IMPORTER(Firefox320Importer)) {
   scoped_refptr<FirefoxObserver> observer(new FirefoxObserver(true));
   FirefoxImporterBrowserTest("firefox320_profile", observer.get(),
                              observer.get());
 }