chrome/browser: Remove use of MessageLoopProxy and deprecated MessageLoop APIs

chrome/browser/metrics/signin_status_metrics_provider.cc

 // Copyright 2014 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/signin_status_metrics_provider.h"
 
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
-#include "base/message_loop/message_loop.h"
+#include "base/location.h"
 #include "base/metrics/histogram.h"
+#include "base/single_thread_task_runner.h"
+#include "base/thread_task_runner_handle.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_info_cache.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_list.h"
 #include "components/signin/core/browser/signin_manager.h"
 
 #if !defined(OS_ANDROID)
 #include "chrome/browser/ui/browser_finder.h"
@@ skipping 21 matching lines @@
 }  // namespace
 
 SigninStatusMetricsProvider::SigninStatusMetricsProvider(bool is_test)
     : scoped_observer_(this),
       is_test_(is_test),
       weak_ptr_factory_(this) {
   if (is_test_)
     return;
 
   // Postpone the initialization until all threads are created.
-  base::MessageLoop::current()->PostTask(
-      FROM_HERE,
-      base::Bind(&SigninStatusMetricsProvider::Initialize,
-                 weak_ptr_factory_.GetWeakPtr()));
+  base::ThreadTaskRunnerHandle::Get()->PostTask(
+      FROM_HERE, base::Bind(&SigninStatusMetricsProvider::Initialize,
+                            weak_ptr_factory_.GetWeakPtr()));
 }
 
 SigninStatusMetricsProvider::~SigninStatusMetricsProvider() {
   if (is_test_)
     return;
 
 #if !defined(OS_ANDROID)
   BrowserList::RemoveObserver(this);
 #endif
 
@@ skipping 179 matching lines @@
     SetSigninStatus(UNKNOWN_SIGNIN_STATUS);
   } else {
     UpdateInitialSigninStatus(opened_profiles_count, signed_in_profiles_count);
   }
 }
 
 SigninStatusMetricsProvider::SigninStatus
 SigninStatusMetricsProvider::GetSigninStatusForTesting() {
   return signin_status();
 }