[Cleanup] Used scoped pointers in KeyedServiceFactory's SetTestingFactory functions.

chrome/browser/services/gcm/fake_gcm_profile_service.h

 // Copyright 2013 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.
 
 #ifndef CHROME_BROWSER_SERVICES_GCM_FAKE_GCM_PROFILE_SERVICE_H_
 #define CHROME_BROWSER_SERVICES_GCM_FAKE_GCM_PROFILE_SERVICE_H_
 
 #include <list>
 #include <vector>
 
+#include "base/memory/scoped_ptr.h"
 #include "chrome/browser/services/gcm/gcm_profile_service.h"
 #include "components/gcm_driver/gcm_driver.h"
 
 namespace content {
 class BrowserContext;
 }  // namespace content
 
 namespace gcm {
 
 // Acts as a bridge between GCM API and GCMClient layer for testing purposes.
 class FakeGCMProfileService : public GCMProfileService {
  public:
   typedef base::Callback<void(const std::string&)> UnregisterCallback;
 
   // Helper function to be used with
   // KeyedService::SetTestingFactory().
-  static KeyedService* Build(content::BrowserContext* context);
+  static scoped_ptr<KeyedService> Build(content::BrowserContext* context);
 
   explicit FakeGCMProfileService(Profile* profile);
   ~FakeGCMProfileService() override;
 
   void RegisterFinished(const std::string& app_id,
                         const std::vector<std::string>& sender_ids);
   void UnregisterFinished(const std::string& app_id);
   void SendFinished(const std::string& app_id,
                     const std::string& receiver_id,
                     const GCMClient::OutgoingMessage& message);
@@ skipping 35 matching lines @@
   GCMClient::OutgoingMessage last_sent_message_;
   std::string last_receiver_id_;
   UnregisterCallback unregister_callback_;
 
   DISALLOW_COPY_AND_ASSIGN(FakeGCMProfileService);
 };
 
 }  // namespace gcm
 
 #endif  // CHROME_BROWSER_SERVICES_GCM_FAKE_GCM_PROFILE_SERVICE_H_