[Sync] Rewriting ".reset(new" pattern to use "= base::MakeUnique" instead.

components/sync/engine_impl/cycle/sync_cycle.cc

Index: components/sync/engine_impl/cycle/sync_cycle.cc
diff --git a/components/sync/engine_impl/cycle/sync_cycle.cc b/components/sync/engine_impl/cycle/sync_cycle.cc
index d56f9dba50333a33c107007e4da00a5c29bcc616..a94c0d5a7872a6c7a5d2af66d5e7c907a8c0aa09 100644
--- a/components/sync/engine_impl/cycle/sync_cycle.cc
+++ b/components/sync/engine_impl/cycle/sync_cycle.cc
@@ -8,6 +8,7 @@
 #include <iterator>
 
 #include "base/logging.h"
+#include "base/memory/ptr_util.h"
 #include "components/sync/syncable/directory.h"
 
 namespace syncer {
@@ -19,7 +20,7 @@ SyncCycle* SyncCycle::Build(SyncCycleContext* context, Delegate* delegate) {
 
 SyncCycle::SyncCycle(SyncCycleContext* context, Delegate* delegate)
     : context_(context), delegate_(delegate) {
-  status_controller_.reset(new StatusController());
+  status_controller_ = base::MakeUnique<StatusController>();
 }
 
 SyncCycle::~SyncCycle() {}