components: Remove use of MessageLoopProxy and deprecated MessageLoop APIs

components/suggestions/suggestions_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.
 
 #include "components/suggestions/suggestions_service.h"
 
 #include <string>
 
+#include "base/location.h"
 #include "base/memory/scoped_ptr.h"
-#include "base/message_loop/message_loop_proxy.h"
 #include "base/metrics/histogram.h"
 #include "base/metrics/sparse_histogram.h"
+#include "base/single_thread_task_runner.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
+#include "base/thread_task_runner_handle.h"
 #include "base/time/time.h"
 #include "components/pref_registry/pref_registry_syncable.h"
 #include "components/suggestions/blacklist_store.h"
 #include "components/suggestions/suggestions_store.h"
 #include "components/variations/net/variations_http_header_provider.h"
 #include "net/base/escape.h"
 #include "net/base/load_flags.h"
 #include "net/base/net_errors.h"
 #include "net/base/url_util.h"
 #include "net/http/http_response_headers.h"
@@ skipping 298 matching lines @@
 }
 
 void SuggestionsService::ScheduleBlacklistUpload() {
   DCHECK(thread_checker_.CalledOnValidThread());
   TimeDelta time_delta;
   if (blacklist_store_->GetTimeUntilReadyForUpload(&time_delta)) {
     // Blacklist cache is not empty: schedule.
     base::Closure blacklist_cb =
         base::Bind(&SuggestionsService::UploadOneFromBlacklist,
                    weak_ptr_factory_.GetWeakPtr());
-    base::MessageLoopProxy::current()->PostDelayedTask(
+    base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
         FROM_HERE, blacklist_cb, time_delta + scheduling_delay_);
   }
 }
 
 void SuggestionsService::UploadOneFromBlacklist() {
   DCHECK(thread_checker_.CalledOnValidThread());
 
   GURL blacklist_url;
   if (blacklist_store_->GetCandidateForUpload(&blacklist_url)) {
     // Issue a blacklisting request. Even if this request ends up not being sent
@@ skipping 15 matching lines @@
     scheduling_delay_ = TimeDelta::FromSeconds(kDefaultSchedulingDelaySec);
   } else {
     TimeDelta candidate_delay =
         scheduling_delay_ * kSchedulingBackoffMultiplier;
     if (candidate_delay < TimeDelta::FromSeconds(kSchedulingMaxDelaySec))
       scheduling_delay_ = candidate_delay;
   }
 }
 
 }  // namespace suggestions