[Sync] Turn notifier::PushClient into an interface

jingle/notifier/listener/fake_push_client.cc

Index: jingle/notifier/listener/fake_push_client.cc
diff --git a/jingle/notifier/listener/fake_push_client.cc b/jingle/notifier/listener/fake_push_client.cc
new file mode 100644
index 0000000000000000000000000000000000000000..cfe4a999ab4be1223f2dbdc6e38f64b34fad45f8
--- /dev/null
+++ b/jingle/notifier/listener/fake_push_client.cc
@@ -0,0 +1,67 @@
+// 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.
+
+#include "jingle/notifier/listener/fake_push_client.h"
+
+#include "jingle/notifier/listener/push_client_observer.h"
+
+namespace notifier {
+
+FakePushClient::FakePushClient() {}
+
+FakePushClient::~FakePushClient() {}
+
+void FakePushClient::AddObserver(PushClientObserver* observer) {
+  observers_.AddObserver(observer);
+}
+
+void FakePushClient::RemoveObserver(PushClientObserver* observer) {
+  observers_.RemoveObserver(observer);
+}
+
+void FakePushClient::UpdateSubscriptions(
+    const SubscriptionList& subscriptions) {
+  subscriptions_ = subscriptions;
+}
+
+void FakePushClient::UpdateCredentials(
+    const std::string& email, const std::string& token) {
+  email_ = email;
+  token_ = token;
+}
+
+void FakePushClient::SendNotification(const Notification& notification) {
+  sent_notifications_.push_back(notification);
+}
+
+void FakePushClient::SimulateNotificationStateChange(
+    bool notifications_enabled) {
+  FOR_EACH_OBSERVER(PushClientObserver, observers_,
+                    OnNotificationStateChange(notifications_enabled));
+}
+
+void FakePushClient::SimulateIncomingNotification(
+    const Notification& notification) {
+  FOR_EACH_OBSERVER(PushClientObserver, observers_,
+                    OnIncomingNotification(notification));
+}
+
+const SubscriptionList& FakePushClient::subscriptions() const {
+  return subscriptions_;
+}
+
+const std::string& FakePushClient::email() const {
+  return email_;
+}
+
+const std::string& FakePushClient::token() const {
+  return token_;
+}
+
+const std::vector<Notification>& FakePushClient::sent_notifications() const {
+  return sent_notifications_;
+}
+
+}  // namespace notifier
+