Re-write many calls to WrapUnique() with MakeUnique()

components/sync/engine_impl/directory_update_handler_unittest.cc

Index: components/sync/engine_impl/directory_update_handler_unittest.cc
diff --git a/components/sync/engine_impl/directory_update_handler_unittest.cc b/components/sync/engine_impl/directory_update_handler_unittest.cc
index 42080055f0cf62d64e194da93799cb92a937a305..d79fd90afc8f94a829aa5e768de0b87f638fd4d3 100644
--- a/components/sync/engine_impl/directory_update_handler_unittest.cc
+++ b/components/sync/engine_impl/directory_update_handler_unittest.cc
@@ -484,15 +484,15 @@ class DirectoryUpdateHandlerApplyUpdateTest : public ::testing::Test {
 
     update_handler_map_.insert(std::make_pair(
         BOOKMARKS,
-        base::WrapUnique(new DirectoryUpdateHandler(
-            directory(), BOOKMARKS, ui_worker_, &bookmarks_emitter_))));
+        base::MakeUnique<DirectoryUpdateHandler>(
+            directory(), BOOKMARKS, ui_worker_, &bookmarks_emitter_)));
     update_handler_map_.insert(std::make_pair(
         PASSWORDS,
-        base::WrapUnique(new DirectoryUpdateHandler(
-            directory(), PASSWORDS, password_worker_, &passwords_emitter_))));
+        base::MakeUnique<DirectoryUpdateHandler>(
+            directory(), PASSWORDS, password_worker_, &passwords_emitter_)));
     update_handler_map_.insert(std::make_pair(
-        ARTICLES, base::WrapUnique(new DirectoryUpdateHandler(
-                      directory(), ARTICLES, ui_worker_, &articles_emitter_))));
+        ARTICLES, base::MakeUnique<DirectoryUpdateHandler>(
+                      directory(), ARTICLES, ui_worker_, &articles_emitter_)));
   }
 
   void TearDown() override { dir_maker_.TearDown(); }