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

chrome/browser/extensions/test_extension_system.h

 // Copyright (c) 2012 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_EXTENSIONS_TEST_EXTENSION_SYSTEM_H_
 #define CHROME_BROWSER_EXTENSIONS_TEST_EXTENSION_SYSTEM_H_
 
+#include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
 #include "extensions/browser/extension_system.h"
 #include "extensions/common/one_shot_event.h"
 
 class Profile;
 class TestingValueStore;
 
 namespace base {
 class CommandLine;
 class FilePath;
@@ skipping 16 matching lines @@
  public:
   explicit TestExtensionSystem(Profile* profile);
   ~TestExtensionSystem() override;
 
   // KeyedService implementation.
   void Shutdown() override;
 
   // Creates an ExtensionPrefs with the testing profile and returns it.
   // Useful for tests that need to modify prefs before creating the
   // ExtensionService.
-  ExtensionPrefs* CreateExtensionPrefs(const base::CommandLine* command_line,
-                                       const base::FilePath& install_directory);
+  scoped_ptr<ExtensionPrefs> CreateExtensionPrefs(
+      const base::CommandLine* command_line,
+      const base::FilePath& install_directory);
 
   // Creates an ExtensionService initialized with the testing profile and
   // returns it, and creates ExtensionPrefs if it hasn't been created yet.
   ExtensionService* CreateExtensionService(
       const base::CommandLine* command_line,
       const base::FilePath& install_directory,
       bool autoupdate_enabled);
 
   void CreateSocketManager();
 
@@ skipping 11 matching lines @@
   const OneShotEvent& ready() const override;
   ContentVerifier* content_verifier() override;
   scoped_ptr<ExtensionSet> GetDependentExtensions(
       const Extension* extension) override;
 
   // Note that you probably want to use base::RunLoop().RunUntilIdle() right
   // after this to run all the accumulated tasks.
   void SetReady() { ready_.Signal(); }
 
   // Factory method for tests to use with SetTestingProfile.
-  static KeyedService* Build(content::BrowserContext* profile);
+  static scoped_ptr<KeyedService> Build(content::BrowserContext* profile);
 
  protected:
   Profile* profile_;
 
  private:
   scoped_ptr<StateStore> state_store_;
   // A pointer to the TestingValueStore owned by |state_store_|.
   TestingValueStore* value_store_;
   scoped_ptr<ManagementPolicy> management_policy_;
   scoped_ptr<RuntimeData> runtime_data_;
   scoped_ptr<ExtensionService> extension_service_;
   scoped_refptr<InfoMap> info_map_;
   scoped_ptr<QuotaService> quota_service_;
   OneShotEvent ready_;
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_TEST_EXTENSION_SYSTEM_H_