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

media/test/pipeline_integration_test_base.cc

Index: media/test/pipeline_integration_test_base.cc
diff --git a/media/test/pipeline_integration_test_base.cc b/media/test/pipeline_integration_test_base.cc
index 1a8ac0d6e92e818c9a12cdd456070c9f0a16dc11..5b50e9f23af325e70f9a7116552864e20f7216bf 100644
--- a/media/test/pipeline_integration_test_base.cc
+++ b/media/test/pipeline_integration_test_base.cc
@@ -192,8 +192,8 @@ PipelineStatus PipelineIntegrationTestBase::Start(const std::string& filename,
 PipelineStatus PipelineIntegrationTestBase::Start(const uint8_t* data,
                                                   size_t size,
                                                   uint8_t test_type) {
-  return StartInternal(base::WrapUnique(new MemoryDataSource(data, size)),
-                       nullptr, test_type);
+  return StartInternal(base::MakeUnique<MemoryDataSource>(data, size), nullptr,
+                       test_type);
 }
 
 void PipelineIntegrationTestBase::Play() {