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

chrome/browser/extensions/extension_context_menu_model_unittest.cc

Index: chrome/browser/extensions/extension_context_menu_model_unittest.cc
diff --git a/chrome/browser/extensions/extension_context_menu_model_unittest.cc b/chrome/browser/extensions/extension_context_menu_model_unittest.cc
index 38aab7eb835deb2436cce9cd1da860deaa7c0899..721a1967a489bcd144ae67ab8d90a800c0ec09e0 100644
--- a/chrome/browser/extensions/extension_context_menu_model_unittest.cc
+++ b/chrome/browser/extensions/extension_context_menu_model_unittest.cc
@@ -67,9 +67,9 @@ class MenuBuilder {
   ~MenuBuilder() {}
 
   std::unique_ptr<ExtensionContextMenuModel> BuildMenu() {
-    return base::WrapUnique(new ExtensionContextMenuModel(
+    return base::MakeUnique<ExtensionContextMenuModel>(
         extension_.get(), browser_, ExtensionContextMenuModel::VISIBLE,
-        nullptr));
+        nullptr);
   }
 
   void AddContextItem(MenuItem::Context context) {