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

media/test/pipeline_integration_test.cc

Index: media/test/pipeline_integration_test.cc
diff --git a/media/test/pipeline_integration_test.cc b/media/test/pipeline_integration_test.cc
index 2a0e72a9bb72857cfd58fd310139a1df15e04fee..e7898d68f8849e79c9dffecd3ac4eb6bc75d1612 100644
--- a/media/test/pipeline_integration_test.cc
+++ b/media/test/pipeline_integration_test.cc
@@ -717,8 +717,8 @@ class PipelineIntegrationTestHost : public shell::test::ServiceTest,
     media_service_factory_->CreateRenderer(std::string(),
                                            mojo::GetProxy(&mojo_renderer));
 
-    return base::WrapUnique(new MojoRenderer(message_loop_.task_runner(),
-                                             std::move(mojo_renderer)));
+    return base::MakeUnique<MojoRenderer>(message_loop_.task_runner(),
+                                          std::move(mojo_renderer));
   }
 
  private: