components: Remove use of MessageLoopProxy and deprecated MessageLoop APIs

components/signin/core/browser/account_reconcilor.cc

Index: components/signin/core/browser/account_reconcilor.cc
diff --git a/components/signin/core/browser/account_reconcilor.cc b/components/signin/core/browser/account_reconcilor.cc
index d7d37145b00383294d2f7f343b6c4fbf942986e9..660edb51274edfb5847761ebdbf456df128628d1 100644
--- a/components/signin/core/browser/account_reconcilor.cc
+++ b/components/signin/core/browser/account_reconcilor.cc
@@ -8,10 +8,11 @@
 
 #include "base/bind.h"
 #include "base/json/json_reader.h"
+#include "base/location.h"
 #include "base/logging.h"
-#include "base/message_loop/message_loop.h"
-#include "base/message_loop/message_loop_proxy.h"
+#include "base/single_thread_task_runner.h"
 #include "base/strings/string_number_conversions.h"
+#include "base/thread_task_runner_handle.h"
 #include "components/signin/core/browser/profile_oauth2_token_service.h"
 #include "components/signin/core/browser/signin_client.h"
 #include "components/signin/core/browser/signin_metrics.h"
@@ -430,7 +431,7 @@ void AccountReconcilor::ScheduleStartReconcileIfChromeAccountsChanged() {
   VLOG(1) << "AccountReconcilor::StartReconcileIfChromeAccountsChanged";
   if (chrome_accounts_changed_) {
     chrome_accounts_changed_ = false;
-    base::MessageLoop::current()->PostTask(
+    base::ThreadTaskRunnerHandle::Get()->PostTask(
         FROM_HERE,
         base::Bind(&AccountReconcilor::StartReconcile, base::Unretained(this)));
   }