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

chromeos/ime/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 "chromeos/ime/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