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

chrome/browser/extensions/extension_action_unittest.cc

Index: chrome/browser/extensions/extension_action_unittest.cc
diff --git a/chrome/browser/extensions/extension_action_unittest.cc b/chrome/browser/extensions/extension_action_unittest.cc
index 87180afa4d5cb2970716bec001507dd3ed7404e8..886e38023ff8110648d6da7f9d5fa17441057314 100644
--- a/chrome/browser/extensions/extension_action_unittest.cc
+++ b/chrome/browser/extensions/extension_action_unittest.cc
@@ -18,7 +18,7 @@ namespace {
 std::unique_ptr<ExtensionAction> CreateAction(ActionInfo::Type type,
                                               const ActionInfo& action_info) {
   scoped_refptr<const Extension> extension = test_util::CreateEmptyExtension();
-  return base::WrapUnique(new ExtensionAction(*extension, type, action_info));
+  return base::MakeUnique<ExtensionAction>(*extension, type, action_info);
 }
 
 }  // namespace