Move ExtensionSystem into extensions namespace

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_
 #pragma once
 
 #include "chrome/browser/extensions/extension_system.h"
 
 class CommandLine;
 class FilePath;
 namespace base {
 class Time;
 }
 
 // Test ExtensionSystem, for use with TestingProfile.
-class TestExtensionSystem : public ExtensionSystem {
+class TestExtensionSystem : public extensions::ExtensionSystem {
  public:
   explicit TestExtensionSystem(Profile* profile);
   virtual ~TestExtensionSystem();
 
   // ProfileKeyedService implementation.
   virtual void Shutdown() OVERRIDE;
 
   // Creates an ExtensionService initialized with the testing profile and
   // returns it.
   ExtensionService* CreateExtensionService(const CommandLine* command_line,
@@ skipping 39 matching lines @@
   scoped_ptr<ExtensionPrefs> extension_prefs_;
   scoped_ptr<extensions::StateStore> state_store_;
   scoped_ptr<ExtensionService> extension_service_;
   scoped_ptr<extensions::ManagementPolicy> management_policy_;
   scoped_ptr<ExtensionProcessManager> extension_process_manager_;
   scoped_ptr<extensions::AlarmManager> alarm_manager_;
   scoped_refptr<ExtensionInfoMap> info_map_;
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_TEST_EXTENSION_SYSTEM_H_