Move apps/shell to extensions/shell.

apps/shell/browser/shell_extension_system_factory.h

Index: apps/shell/browser/shell_extension_system_factory.h
diff --git a/apps/shell/browser/shell_extension_system_factory.h b/apps/shell/browser/shell_extension_system_factory.h
deleted file mode 100644
index b273a202a7e94895c686ce0fe13cc5726234e335..0000000000000000000000000000000000000000
--- a/apps/shell/browser/shell_extension_system_factory.h
+++ /dev/null
@@ -1,40 +0,0 @@
-// 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 APPS_SHELL_BROWSER_SHELL_EXTENSION_SYSTEM_FACTORY_H_
-#define APPS_SHELL_BROWSER_SHELL_EXTENSION_SYSTEM_FACTORY_H_
-
-#include "base/memory/singleton.h"
-#include "extensions/browser/extension_system_provider.h"
-
-namespace extensions {
-
-// A factory that provides ShellExtensionSystem for app_shell.
-class ShellExtensionSystemFactory : public ExtensionSystemProvider {
- public:
-  // ExtensionSystemProvider implementation:
-  virtual ExtensionSystem* GetForBrowserContext(
-      content::BrowserContext* context) OVERRIDE;
-
-  static ShellExtensionSystemFactory* GetInstance();
-
- private:
-  friend struct DefaultSingletonTraits<ShellExtensionSystemFactory>;
-
-  ShellExtensionSystemFactory();
-  virtual ~ShellExtensionSystemFactory();
-
-  // BrowserContextKeyedServiceFactory implementation:
-  virtual KeyedService* BuildServiceInstanceFor(
-      content::BrowserContext* context) const OVERRIDE;
-  virtual content::BrowserContext* GetBrowserContextToUse(
-      content::BrowserContext* context) const OVERRIDE;
-  virtual bool ServiceIsCreatedWithBrowserContext() const OVERRIDE;
-
-  DISALLOW_COPY_AND_ASSIGN(ShellExtensionSystemFactory);
-};
-
-}  // namespace extensions
-
-#endif  // APPS_SHELL_BROWSER_SHELL_EXTENSION_SYSTEM_FACTORY_H_