Revert of Moves code from chromeos/ime to ui/base/ime/chromeos.

ui/base/ime/chromeos/input_method_manager.cc

-// 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.
-
-#include "ui/base/ime/chromeos/input_method_manager.h"
-
-#include "base/logging.h"
-
-namespace chromeos {
-namespace input_method {
-
-namespace {
-InputMethodManager* g_input_method_manager = NULL;
-}
-
-InputMethodManager::State::~State() {
-}
-
-// static
-InputMethodManager* InputMethodManager::Get() {
-  return g_input_method_manager;
-}
-
-// static
-void InputMethodManager::Initialize(InputMethodManager* instance) {
-  DCHECK(!g_input_method_manager) << "Do not call Initialize() multiple times.";
-  g_input_method_manager = instance;
-}
-
-// static
-void InputMethodManager::Shutdown() {
-  DCHECK(g_input_method_manager)
-      << "InputMethodManager() is not initialized.";
-  delete g_input_method_manager;
-  g_input_method_manager = NULL;
-}
-
-}  // namespace input_method
-}  // namespace chromeos