Make OAuth2TokenService and subclasses take delegate by unique_ptr

google_apis/gaia/fake_oauth2_token_service.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "google_apis/gaia/fake_oauth2_token_service.h"
 
+#include "base/memory/ptr_util.h"
+
 FakeOAuth2TokenService::PendingRequest::PendingRequest() {
 }
 
 FakeOAuth2TokenService::PendingRequest::PendingRequest(
     const PendingRequest& other) = default;
 
 FakeOAuth2TokenService::PendingRequest::~PendingRequest() {
 }
 
 FakeOAuth2TokenService::FakeOAuth2TokenService()
-    : OAuth2TokenService(new FakeOAuth2TokenServiceDelegate(nullptr)) {
-}
+    : OAuth2TokenService(
+          base::MakeUnique<FakeOAuth2TokenServiceDelegate>(nullptr)) {}
 
 FakeOAuth2TokenService::~FakeOAuth2TokenService() {
 }
 
 void FakeOAuth2TokenService::FetchOAuth2Token(
     RequestImpl* request,
     const std::string& account_id,
     net::URLRequestContextGetter* getter,
     const std::string& client_id,
     const std::string& client_secret,
@@ skipping 53 matching lines @@
     if (it->request && (account_id == it->account_id)) {
       it->request->InformConsumer(auth_error, std::string(), base::Time());
     }
   }
 }
 
 FakeOAuth2TokenServiceDelegate*
 FakeOAuth2TokenService::GetFakeOAuth2TokenServiceDelegate() {
   return static_cast<FakeOAuth2TokenServiceDelegate*>(GetDelegate());
 }