Revert r151669 and r155589 as non-Aura Metro mode is gone

base/win/text_services_message_filter.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 BASE_WIN_TEXT_SERVICES_MESSAGE_FILTER_H_
-#define BASE_WIN_TEXT_SERVICES_MESSAGE_FILTER_H_
-
-#include <msctf.h>
-#include <Windows.h>
-
-#include "base/memory/scoped_ptr.h"
-#include "base/message_loop/message_pump_win.h"
-#include "base/win/metro.h"
-#include "base/win/scoped_comptr.h"
-
-namespace base {
-namespace win {
-
-// TextServicesMessageFilter extends MessageFilter with methods that are using
-// Text Services Framework COM component.
-class BASE_EXPORT TextServicesMessageFilter
-    : public base::MessagePumpForUI::MessageFilter {
- public:
-  TextServicesMessageFilter();
-  virtual ~TextServicesMessageFilter();
-  virtual BOOL DoPeekMessage(MSG* msg,
-                             HWND window_handle,
-                             UINT msg_filter_min,
-                             UINT msg_filter_max,
-                             UINT remove_msg) OVERRIDE;
-  virtual bool ProcessMessage(const MSG& msg) OVERRIDE;
-
-  bool Init();
-
- private:
-  TfClientId client_id_;
-  bool is_initialized_;
-  base::win::ScopedComPtr<ITfThreadMgr> thread_mgr_;
-  base::win::ScopedComPtr<ITfMessagePump> message_pump_;
-  base::win::ScopedComPtr<ITfKeystrokeMgr> keystroke_mgr_;
-
-  DISALLOW_COPY_AND_ASSIGN(TextServicesMessageFilter);
-};
-
-}  // namespace win
-}  // namespace base
-
-#endif  // BASE_WIN_TEXT_SERVICES_MESSAGE_FILTER_H_