Refactor ResourceRequestAllowedNotifier EULA checking into a separate class.

chrome/browser/metrics/variations/eula_accepted_notifier.cc

+// Copyright (c) 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 "chrome/browser/metrics/variations/eula_accepted_notifier.h"
+
+#include "base/logging.h"
+
+EulaAcceptedNotifier::EulaAcceptedNotifier() : observer_(NULL) {
+}
+
+EulaAcceptedNotifier::~EulaAcceptedNotifier() {
+}
+
+void EulaAcceptedNotifier::Init(Observer* observer) {
+  DCHECK(!observer_ && observer);
+  observer_ = observer;
+}
+
+void EulaAcceptedNotifier::NotifyObserver() {
+  observer_->OnEulaAccepted();
+}
+
+#if !defined(OS_CHROMEOS)
+// static
+EulaAcceptedNotifier* EulaAcceptedNotifier::Create() {
+  return NULL;
+}
+#endif