components: Remove use of MessageLoopProxy and deprecated MessageLoop APIs

components/metrics/metrics_service.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.
 
 //------------------------------------------------------------------------------
 // Description of the life cycle of a instance of MetricsService.
 //
 //  OVERVIEW
 //
 // A MetricsService instance is typically created at application startup.  It is
@@ skipping 110 matching lines @@
 //
 //
 //------------------------------------------------------------------------------
 
 #include "components/metrics/metrics_service.h"
 
 #include <algorithm>
 
 #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"
 #include "base/metrics/sparse_histogram.h"
 #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"
 #include "base/time/time.h"
 #include "base/tracked_objects.h"
 #include "base/values.h"
 #include "components/metrics/metrics_log.h"
 #include "components/metrics/metrics_log_manager.h"
 #include "components/metrics/metrics_log_uploader.h"
 #include "components/metrics/metrics_pref_names.h"
@@ skipping 520 matching lines @@
   for (size_t i = 0; i < metrics_providers_.size(); ++i)
     metrics_providers_[i]->OnDidCreateMetricsLog();
 }
 
 //------------------------------------------------------------------------------
 // State save methods
 
 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));
 }
 
 void MetricsService::SaveLocalState() {
   RecordCurrentState(local_state_);
 
   // TODO(jar):110021 Does this run down the batteries????
   ScheduleNextStateSave();
 }
 
 
 //------------------------------------------------------------------------------
 // Recording control methods
 
 void MetricsService::OpenNewLog() {
   DCHECK(!log_manager_.current_log());
 
   log_manager_.BeginLoggingWithLog(CreateLog(MetricsLog::ONGOING_LOG));
   NotifyOnDidCreateMetricsLog();
   if (state_ == INITIALIZED) {
     // 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));
   }
 }
 
 void MetricsService::StartGatheringMetrics() {
   client_->StartGatheringMetrics(
       base::Bind(&MetricsService::FinishedGatheringInitialMetrics,
                  self_ptr_factory_.GetWeakPtr()));
 }
 
@@ skipping 401 matching lines @@
   local_state_->SetBoolean(path, value);
   RecordCurrentState(local_state_);
 }
 
 void MetricsService::RecordCurrentState(PrefService* pref) {
   pref->SetInt64(prefs::kStabilityLastTimestampSec,
                  base::Time::Now().ToTimeT());
 }
 
 }  // namespace metrics