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

components/keyed_service/content/browser_context_keyed_service_factory.h

 // 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.
 
 #ifndef COMPONENTS_KEYED_SERVICE_CONTENT_BROWSER_CONTEXT_KEYED_SERVICE_FACTORY_H_
 #define COMPONENTS_KEYED_SERVICE_CONTENT_BROWSER_CONTEXT_KEYED_SERVICE_FACTORY_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "components/keyed_service/core/keyed_service_export.h"
@@ skipping 22 matching lines @@
   // attached to a single |context|. Only test code is allowed to call this
   // method.
   // TODO(gab): This method can be removed entirely when
   // PrefService::DeprecatedGetPrefRegistry() is phased out.
   void RegisterUserPrefsOnBrowserContextForTest(
       content::BrowserContext* context);
 
   // A function that supplies the instance of a KeyedService for a given
   // BrowserContext. This is used primarily for testing, where we want to feed
   // a specific mock into the BCKSF system.
-  typedef KeyedService* (*TestingFactoryFunction)(
+  typedef scoped_ptr<KeyedService>(*TestingFactoryFunction)(
       content::BrowserContext* context);
 
   // Associates |factory| with |context| so that |factory| is used to create
   // the KeyedService when requested.  |factory| can be NULL to signal that
   // KeyedService should be NULL. Multiple calls to SetTestingFactory() are
   // allowed; previous services will be shut down.
   void SetTestingFactory(content::BrowserContext* context,
                          TestingFactoryFunction factory);
 
   // Associates |factory| with |context| and immediately returns the created
@@ skipping 69 matching lines @@
  private:
   friend class BrowserContextDependencyManagerUnittests;
 
   // Registers any user preferences on this service. This is called by
   // RegisterPrefsIfNecessaryForContext() and should be overriden by any service
   // that wants to register profile-specific preferences.
   virtual void RegisterProfilePrefs(
       user_prefs::PrefRegistrySyncable* registry) {}
 
   // KeyedServiceFactory:
-  KeyedService* BuildServiceInstanceFor(
+  scoped_ptr<KeyedService> BuildServiceInstanceFor(
       base::SupportsUserData* context) const final;
   bool IsOffTheRecord(base::SupportsUserData* context) const final;
 
   // KeyedServiceBaseFactory:
   base::SupportsUserData* GetContextToUse(
       base::SupportsUserData* context) const final;
   bool ServiceIsCreatedWithContext() const final;
   void ContextShutdown(base::SupportsUserData* context) final;
   void ContextDestroyed(base::SupportsUserData* context) final;
   void RegisterPrefs(user_prefs::PrefRegistrySyncable* registry) final;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserContextKeyedServiceFactory);
 };
 
 #endif  // COMPONENTS_KEYED_SERVICE_CONTENT_BROWSER_CONTEXT_KEYED_SERVICE_FACTORY_H_