Convert //extensions/browser from scoped_ptr to std::unique_ptr

extensions/browser/extension_prefs_factory.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 "extensions/browser/extension_prefs_factory.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "components/keyed_service/content/browser_context_dependency_manager.h"
@@ skipping 14 matching lines @@
       GetInstance()->GetServiceForBrowserContext(context, true));
 }
 
 // static
 ExtensionPrefsFactory* ExtensionPrefsFactory::GetInstance() {
   return base::Singleton<ExtensionPrefsFactory>::get();
 }
 
 void ExtensionPrefsFactory::SetInstanceForTesting(
     content::BrowserContext* context,
-    scoped_ptr<ExtensionPrefs> prefs) {
+    std::unique_ptr<ExtensionPrefs> prefs) {
   Disassociate(context);
   Associate(context, std::move(prefs));
 }
 
 ExtensionPrefsFactory::ExtensionPrefsFactory()
     : BrowserContextKeyedServiceFactory(
           "ExtensionPrefs",
           BrowserContextDependencyManager::GetInstance()) {
 }
 
@@ skipping 13 matching lines @@
                                     context),
       prefs_observers);
 }
 
 content::BrowserContext* ExtensionPrefsFactory::GetBrowserContextToUse(
     content::BrowserContext* context) const {
   return ExtensionsBrowserClient::Get()->GetOriginalContext(context);
 }
 
 }  // namespace extensions