It is time.

ui/base/ime/linux/linux_input_method_context_factory.h

-// Copyright 2013 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 UI_BASE_IME_LINUX_LINUX_INPUT_METHOD_CONTEXT_FACTORY_H_
-#define UI_BASE_IME_LINUX_LINUX_INPUT_METHOD_CONTEXT_FACTORY_H_
-
-#include "base/memory/scoped_ptr.h"
-#include "ui/base/ui_base_export.h"
-
-namespace ui {
-
-class LinuxInputMethodContext;
-class LinuxInputMethodContextDelegate;
-
-// An interface that lets different Linux platforms override the
-// CreateInputMethodContext function declared here to return native input method
-// contexts.
-class UI_BASE_EXPORT LinuxInputMethodContextFactory {
- public:
-  // Returns the current active factory or NULL.
-  static const LinuxInputMethodContextFactory* instance();
-
-  // Sets the dynamically loaded singleton that creates an input method context.
-  // This pointer is not owned, and if this method is called a second time,
-  // the first instance is not deleted.
-  static void SetInstance(const LinuxInputMethodContextFactory* instance);
-
-  virtual ~LinuxInputMethodContextFactory() {}
-
-  // Returns a native input method context.
-  virtual scoped_ptr<LinuxInputMethodContext> CreateInputMethodContext(
-      LinuxInputMethodContextDelegate* delegate) const = 0;
-};
-
-}  // namespace ui
-
-#endif  // UI_BASE_IME_LINUX_LINUX_INPUT_METHOD_CONTEXT_FACTORY_H_