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

chrome/browser/signin/fake_gaia_cookie_manager_service_builder.cc

Index: chrome/browser/signin/fake_gaia_cookie_manager_service_builder.cc
diff --git a/chrome/browser/signin/fake_gaia_cookie_manager_service_builder.cc b/chrome/browser/signin/fake_gaia_cookie_manager_service_builder.cc
index 6a6a4b4b92e82e091143e6d9069cac97c8c7b3b7..5dd0fea516e2531415a2cca57ac7b0e90a8ea42b 100644
--- a/chrome/browser/signin/fake_gaia_cookie_manager_service_builder.cc
+++ b/chrome/browser/signin/fake_gaia_cookie_manager_service_builder.cc
@@ -17,8 +17,8 @@
 std::unique_ptr<KeyedService> BuildFakeGaiaCookieManagerService(
     content::BrowserContext* context) {
   Profile* profile = Profile::FromBrowserContext(context);
-  return base::WrapUnique(new FakeGaiaCookieManagerService(
+  return base::MakeUnique<FakeGaiaCookieManagerService>(
       ProfileOAuth2TokenServiceFactory::GetForProfile(profile),
       GaiaConstants::kChromeSource,
-      ChromeSigninClientFactory::GetForProfile(profile)));
+      ChromeSigninClientFactory::GetForProfile(profile));
 }