Revert 70629 - Add multi-process notification class....

chrome/common/multi_process_notification.cc

-// Copyright (c) 2011 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 "chrome/common/multi_process_notification.h"
-
-#include "base/task.h"
-
-namespace multi_process_notification {
-
-PerformTaskOnNotification::PerformTaskOnNotification(Task* task) : task_(task) {
-}
-
-PerformTaskOnNotification::~PerformTaskOnNotification() {
-}
-
-void PerformTaskOnNotification::OnNotificationReceived(
-    const std::string& name, Domain domain) {
-  task_->Run();
-  task_.reset();
-}
-
-bool PerformTaskOnNotification::WasNotificationReceived() {
-  return task_.get() == NULL;
-}
-
-}  // namespace multi_process_notification