Usage of ThreadTaskRunner in lieu of in [chrome/browser/sync],[components/sync_driver]

chrome/browser/sync/profile_sync_service.cc

Index: chrome/browser/sync/profile_sync_service.cc
diff --git a/chrome/browser/sync/profile_sync_service.cc b/chrome/browser/sync/profile_sync_service.cc
index e8df3e0141ef6038007d3486a70f9d2d8ba2708c..2ac3deed199641b1b73d1e363b6f6284ebfac33c 100644
--- a/chrome/browser/sync/profile_sync_service.cc
+++ b/chrome/browser/sync/profile_sync_service.cc
@@ -22,6 +22,7 @@
 #include "base/profiler/scoped_tracker.h"
 #include "base/strings/string16.h"
 #include "base/strings/stringprintf.h"
+#include "base/thread_task_runner_handle.h"
 #include "base/threading/thread_restrictions.h"
 #include "build/build_config.h"
 #include "chrome/browser/browser_process.h"
@@ -2640,7 +2641,7 @@ void ProfileSyncService::CheckSyncBackupIfNeeded() {
           FROM_HERE,
           base::Bind(syncer::CheckSyncDbLastModifiedTime,
                      profile_->GetPath().Append(kSyncBackupDataFolderName),
-                     base::MessageLoopProxy::current(),
+                     base::ThreadTaskRunnerHandle::Get(),
                      base::Bind(&ProfileSyncService::CheckSyncBackupCallback,
                                 weak_factory_.GetWeakPtr())));
     } else {
@@ -2648,7 +2649,7 @@ void ProfileSyncService::CheckSyncBackupIfNeeded() {
           content::BrowserThread::FILE, FROM_HERE,
           base::Bind(syncer::CheckSyncDbLastModifiedTime,
                      profile_->GetPath().Append(kSyncBackupDataFolderName),
-                     base::MessageLoopProxy::current(),
+                     base::ThreadTaskRunnerHandle::Get(),
                      base::Bind(&ProfileSyncService::CheckSyncBackupCallback,
                                 weak_factory_.GetWeakPtr())));
     }