Change SigninClient::CreateGaiaAuthFetcher return type to unique_ptr

components/signin/core/browser/test_signin_client.cc

Index: components/signin/core/browser/test_signin_client.cc
diff --git a/components/signin/core/browser/test_signin_client.cc b/components/signin/core/browser/test_signin_client.cc
index ad301a6e487a3c88c3ba961dc4f26248d6fea232..2aba3b9c64989e2d646d61c15eb7b1d7a074bc4d 100644
--- a/components/signin/core/browser/test_signin_client.cc
+++ b/components/signin/core/browser/test_signin_client.cc
@@ -103,9 +103,9 @@ void TestSigninClient::DelayNetworkCall(const base::Closure& callback) {
   callback.Run();
 }
 
-GaiaAuthFetcher* TestSigninClient::CreateGaiaAuthFetcher(
+std::unique_ptr<GaiaAuthFetcher> TestSigninClient::CreateGaiaAuthFetcher(
     GaiaAuthConsumer* consumer,
     const std::string& source,
     net::URLRequestContextGetter* getter) {
-  return new GaiaAuthFetcher(consumer, source, getter);
+  return base::MakeUnique<GaiaAuthFetcher>(consumer, source, getter);
 }