Use unique_ptr for Platform::CreateURLLoader

third_party/WebKit/Source/platform/testing/weburl_loader_mock.cc

Index: third_party/WebKit/Source/platform/testing/weburl_loader_mock.cc
diff --git a/third_party/WebKit/Source/platform/testing/weburl_loader_mock.cc b/third_party/WebKit/Source/platform/testing/weburl_loader_mock.cc
index d60e983aa4ff8bb447f3b63afe1dca3ca064f9a4..02a1d7c8d1d62b1162fd6a79464625d2f31a1ca7 100644
--- a/third_party/WebKit/Source/platform/testing/weburl_loader_mock.cc
+++ b/third_party/WebKit/Source/platform/testing/weburl_loader_mock.cc
@@ -25,9 +25,9 @@ void AssertFallbackLoaderAvailability(const WebURL& url,
 }  // namespace
 
 WebURLLoaderMock::WebURLLoaderMock(WebURLLoaderMockFactoryImpl* factory,
-                                   WebURLLoader* default_loader)
+                                   std::unique_ptr<WebURLLoader> default_loader)
     : factory_(factory),
-      default_loader_(WTF::WrapUnique(default_loader)),
+      default_loader_(std::move(default_loader)),
       weak_factory_(this) {}
 
 WebURLLoaderMock::~WebURLLoaderMock() {