Use unique_ptr for Platform::CreateURLLoader

content/test/test_blink_web_unit_test_support.cc

Index: content/test/test_blink_web_unit_test_support.cc
diff --git a/content/test/test_blink_web_unit_test_support.cc b/content/test/test_blink_web_unit_test_support.cc
index 8439a6270d99c82d3b208a17e400228dac5f59d0..50349664235ffdc85142758a54fe5e39cf43dedc 100644
--- a/content/test/test_blink_web_unit_test_support.cc
+++ b/content/test/test_blink_web_unit_test_support.cc
@@ -188,11 +188,12 @@ blink::WebIDBFactory* TestBlinkWebUnitTestSupport::IdbFactory() {
   return NULL;
 }
 
-blink::WebURLLoader* TestBlinkWebUnitTestSupport::CreateURLLoader() {
+std::unique_ptr<blink::WebURLLoader>
+TestBlinkWebUnitTestSupport::CreateURLLoader() {
   // This loader should be used only for process-local resources such as
   // data URLs.
-  blink::WebURLLoader* default_loader = new WebURLLoaderImpl(nullptr, nullptr);
-  return url_loader_factory_->CreateURLLoader(default_loader);
+  auto default_loader = base::MakeUnique<WebURLLoaderImpl>(nullptr, nullptr);
+  return url_loader_factory_->CreateURLLoader(std::move(default_loader));
 }
 
 blink::WebString TestBlinkWebUnitTestSupport::UserAgent() {