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

chrome/browser/download/download_ui_controller_unittest.cc

Index: chrome/browser/download/download_ui_controller_unittest.cc
diff --git a/chrome/browser/download/download_ui_controller_unittest.cc b/chrome/browser/download/download_ui_controller_unittest.cc
index d6f9a5cc730d2b5e0cadc060eb3f737b0650a528..cf06d70522bf7df6eae8a443017287d0f2547d7f 100644
--- a/chrome/browser/download/download_ui_controller_unittest.cc
+++ b/chrome/browser/download/download_ui_controller_unittest.cc
@@ -155,8 +155,8 @@ class DownloadUIControllerTest : public ChromeRenderViewHostTestHarness {
 std::unique_ptr<KeyedService>
 DownloadUIControllerTest::TestingDownloadServiceFactory(
     content::BrowserContext* browser_context) {
-  return base::WrapUnique(
-      new TestDownloadService(Profile::FromBrowserContext(browser_context)));
+  return base::MakeUnique<TestDownloadService>(
+      Profile::FromBrowserContext(browser_context));
 }
 
 DownloadUIControllerTest::DownloadUIControllerTest()