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

chrome/browser/metrics/signin_status_metrics_provider.cc

Index: chrome/browser/metrics/signin_status_metrics_provider.cc
diff --git a/chrome/browser/metrics/signin_status_metrics_provider.cc b/chrome/browser/metrics/signin_status_metrics_provider.cc
index ed68b45b96c3b9297fde147c74977ac817d442da..29adda48c2cf2b5f19475462a7b25e29a2ab3127 100644
--- a/chrome/browser/metrics/signin_status_metrics_provider.cc
+++ b/chrome/browser/metrics/signin_status_metrics_provider.cc
@@ -8,8 +8,10 @@
 #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"
@@ -51,10 +53,9 @@ SigninStatusMetricsProvider::SigninStatusMetricsProvider(bool 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() {