Convert //sync from scoped_ptr to std::unique_ptr

sync/internal_api/test/fake_sync_manager.cc

Index: sync/internal_api/test/fake_sync_manager.cc
diff --git a/sync/internal_api/test/fake_sync_manager.cc b/sync/internal_api/test/fake_sync_manager.cc
index 2f02a18436355f51160c5e4be884fcc1896f823b..8a96700cc4e0220d813111ad004c993e167a2d63 100644
--- a/sync/internal_api/test/fake_sync_manager.cc
+++ b/sync/internal_api/test/fake_sync_manager.cc
@@ -226,9 +226,9 @@ FakeSyncManager::GetBufferedProtocolEvents() {
   return ScopedVector<syncer::ProtocolEvent>();
 }
 
-scoped_ptr<base::ListValue> FakeSyncManager::GetAllNodesForType(
+std::unique_ptr<base::ListValue> FakeSyncManager::GetAllNodesForType(
     syncer::ModelType type) {
-  return scoped_ptr<base::ListValue>(new base::ListValue());
+  return std::unique_ptr<base::ListValue>(new base::ListValue());
 }
 
 void FakeSyncManager::RefreshTypes(ModelTypeSet types) {
@@ -250,7 +250,7 @@ void FakeSyncManager::RequestEmitDebugInfo() {}
 
 void FakeSyncManager::OnIncomingInvalidation(
     syncer::ModelType type,
-    scoped_ptr<InvalidationInterface> invalidation) {
+    std::unique_ptr<InvalidationInterface> invalidation) {
   num_invalidations_received_++;
 }