components: Remove use of MessageLoopProxy and deprecated MessageLoop APIs

components/metrics/metrics_service.cc

Index: components/metrics/metrics_service.cc
diff --git a/components/metrics/metrics_service.cc b/components/metrics/metrics_service.cc
index 598d9daa7f813613f113d61d43595d1e43575fa7..2938b2c727736b7bc3ba0d3eba9f0ccd177b1a71 100644
--- a/components/metrics/metrics_service.cc
+++ b/components/metrics/metrics_service.cc
@@ -128,6 +128,7 @@
 
 #include "base/bind.h"
 #include "base/callback.h"
+#include "base/location.h"
 #include "base/metrics/histogram.h"
 #include "base/metrics/histogram_base.h"
 #include "base/metrics/histogram_samples.h"
@@ -135,8 +136,10 @@
 #include "base/metrics/statistics_recorder.h"
 #include "base/prefs/pref_registry_simple.h"
 #include "base/prefs/pref_service.h"
+#include "base/single_thread_task_runner.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/utf_string_conversions.h"
+#include "base/thread_task_runner_handle.h"
 #include "base/threading/platform_thread.h"
 #include "base/threading/thread.h"
 #include "base/threading/thread_restrictions.h"
@@ -677,9 +680,9 @@ void MetricsService::NotifyOnDidCreateMetricsLog() {
 void MetricsService::ScheduleNextStateSave() {
   state_saver_factory_.InvalidateWeakPtrs();
 
-  base::MessageLoop::current()->PostDelayedTask(FROM_HERE,
-      base::Bind(&MetricsService::SaveLocalState,
-                 state_saver_factory_.GetWeakPtr()),
+  base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
+      FROM_HERE, base::Bind(&MetricsService::SaveLocalState,
+                            state_saver_factory_.GetWeakPtr()),
       base::TimeDelta::FromMinutes(kSaveStateIntervalMinutes));
 }
 
@@ -703,10 +706,9 @@ void MetricsService::OpenNewLog() {
     // We only need to schedule that run once.
     state_ = INIT_TASK_SCHEDULED;
 
-    base::MessageLoop::current()->PostDelayedTask(
-        FROM_HERE,
-        base::Bind(&MetricsService::StartGatheringMetrics,
-                   self_ptr_factory_.GetWeakPtr()),
+    base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
+        FROM_HERE, base::Bind(&MetricsService::StartGatheringMetrics,
+                              self_ptr_factory_.GetWeakPtr()),
         base::TimeDelta::FromSeconds(kInitializationDelaySeconds));
   }
 }