Remove all remaining traces of MessageLoopProxy.

chrome/browser/metrics/antivirus_metrics_provider_win_unittest.cc

 // Copyright 2016 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 "chrome/browser/metrics/antivirus_metrics_provider_win.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/feature_list.h"
@@ skipping 52 matching lines @@
 }
 
 }  // namespace
 
 class AntiVirusMetricsProviderTest : public ::testing::TestWithParam<bool> {
  public:
   AntiVirusMetricsProviderTest()
       : got_results_(false),
         expect_unhashed_value_(GetParam()),
         provider_(new AntiVirusMetricsProvider(
-            content::BrowserThread::GetMessageLoopProxyForThread(
+            content::BrowserThread::GetTaskRunnerForThread(
                 content::BrowserThread::FILE))),
         thread_bundle_(content::TestBrowserThreadBundle::REAL_FILE_THREAD),
         weak_ptr_factory_(this) {}
 
   void GetMetricsCallback() {
     // Check that the callback runs on the main loop.
     ASSERT_TRUE(thread_checker_.CalledOnValidThread());
     ASSERT_TRUE(run_loop_.running());
 
     run_loop_.QuitWhenIdle();
@@ skipping 41 matching lines @@
   AntiVirusMetricsProvider::ResultCode expected_result =
       AntiVirusMetricsProvider::RESULT_SUCCESS;
   if (base::win::OSInfo::GetInstance()->version_type() ==
       base::win::SUITE_SERVER)
     expected_result = AntiVirusMetricsProvider::RESULT_WSC_NOT_AVAILABLE;
   histograms.ExpectUniqueSample("UMA.AntiVirusMetricsProvider.Result",
                                 expected_result, 1);
 }
 
 INSTANTIATE_TEST_CASE_P(, AntiVirusMetricsProviderTest, ::testing::Bool());