Remove win8/metro_driver

win8/metro_driver/ime/input_source.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 WIN8_METRO_DRIVER_IME_INPUT_SOURCE_H_
-#define WIN8_METRO_DRIVER_IME_INPUT_SOURCE_H_
-
-#include <Windows.h>
-
-#include "base/memory/scoped_ptr.h"
-
-namespace metro_driver {
-
-class InputSourceObserver;
-
-// An interface through which information about the input source can be
-// retrieved, where an input source represents an IME or a keyboard layout.
-class InputSource {
- public:
-  virtual ~InputSource() {}
-  // Create an instance. Returns NULL if fails.
-  static scoped_ptr<InputSource> Create();
-
-  // Returns true if |langid| and |is_ime| are filled based on the current
-  // active input source.
-  virtual bool GetActiveSource(LANGID* langid, bool* is_ime) = 0;
-
-  // Adds/Removes an observer to receive notifications when the active input
-  // source is changed.
-  virtual void AddObserver(InputSourceObserver* observer) = 0;
-  virtual void RemoveObserver(InputSourceObserver* observer) = 0;
-};
-
-}  // namespace metro_driver
-
-#endif  // WIN8_METRO_DRIVER_IME_INPUT_SOURCE_H_