Revert of Move some sync/notifier to components/invalidation

sync/notifier/push_client_channel.cc

Index: sync/notifier/push_client_channel.cc
diff --git a/sync/notifier/push_client_channel.cc b/sync/notifier/push_client_channel.cc
new file mode 100644
index 0000000000000000000000000000000000000000..9bf78f40f816872cfba750574c66ab0496a69ff3
--- /dev/null
+++ b/sync/notifier/push_client_channel.cc
@@ -0,0 +1,161 @@
+// 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 "sync/notifier/push_client_channel.h"
+
+#include "base/stl_util.h"
+#include "google/cacheinvalidation/client_gateway.pb.h"
+#include "google/cacheinvalidation/types.pb.h"
+#include "jingle/notifier/listener/push_client.h"
+
+namespace syncer {
+
+namespace {
+
+const char kBotJid[] = "tango@bot.talk.google.com";
+const char kChannelName[] = "tango_raw";
+
+}  // namespace
+
+PushClientChannel::PushClientChannel(
+    scoped_ptr<notifier::PushClient> push_client)
+    : push_client_(push_client.Pass()),
+      scheduling_hash_(0),
+      sent_messages_count_(0) {
+  push_client_->AddObserver(this);
+  notifier::Subscription subscription;
+  subscription.channel = kChannelName;
+  subscription.from = "";
+  notifier::SubscriptionList subscriptions;
+  subscriptions.push_back(subscription);
+  push_client_->UpdateSubscriptions(subscriptions);
+}
+
+PushClientChannel::~PushClientChannel() {
+  push_client_->RemoveObserver(this);
+}
+
+void PushClientChannel::UpdateCredentials(
+    const std::string& email, const std::string& token) {
+  push_client_->UpdateCredentials(email, token);
+}
+
+int PushClientChannel::GetInvalidationClientType() {
+#if defined(OS_IOS)
+  return ipc::invalidation::ClientType::CHROME_SYNC_IOS;
+#else
+  return ipc::invalidation::ClientType::CHROME_SYNC;
+#endif
+}
+
+void PushClientChannel::RequestDetailedStatus(
+    base::Callback<void(const base::DictionaryValue&)> callback) {
+  callback.Run(*CollectDebugData());
+}
+
+void PushClientChannel::SendMessage(const std::string& message) {
+  std::string encoded_message;
+  EncodeMessage(&encoded_message, message, service_context_, scheduling_hash_);
+
+  notifier::Recipient recipient;
+  recipient.to = kBotJid;
+  notifier::Notification notification;
+  notification.channel = kChannelName;
+  notification.recipients.push_back(recipient);
+  notification.data = encoded_message;
+  push_client_->SendNotification(notification);
+  sent_messages_count_++;
+}
+
+void PushClientChannel::OnNotificationsEnabled() {
+  NotifyStateChange(INVALIDATIONS_ENABLED);
+}
+
+void PushClientChannel::OnNotificationsDisabled(
+    notifier::NotificationsDisabledReason reason) {
+  NotifyStateChange(FromNotifierReason(reason));
+}
+
+void PushClientChannel::OnIncomingNotification(
+    const notifier::Notification& notification) {
+  std::string message;
+  std::string service_context;
+  int64 scheduling_hash;
+  if (!DecodeMessage(
+           notification.data, &message, &service_context, &scheduling_hash)) {
+    DLOG(ERROR) << "Could not parse ClientGatewayMessage";
+    return;
+  }
+  if (DeliverIncomingMessage(message)) {
+    service_context_ = service_context;
+    scheduling_hash_ = scheduling_hash;
+  }
+}
+
+const std::string& PushClientChannel::GetServiceContextForTest() const {
+  return service_context_;
+}
+
+int64 PushClientChannel::GetSchedulingHashForTest() const {
+  return scheduling_hash_;
+}
+
+std::string PushClientChannel::EncodeMessageForTest(
+    const std::string& message,
+    const std::string& service_context,
+    int64 scheduling_hash) {
+  std::string encoded_message;
+  EncodeMessage(&encoded_message, message, service_context, scheduling_hash);
+  return encoded_message;
+}
+
+bool PushClientChannel::DecodeMessageForTest(const std::string& data,
+                                             std::string* message,
+                                             std::string* service_context,
+                                             int64* scheduling_hash) {
+  return DecodeMessage(data, message, service_context, scheduling_hash);
+}
+
+void PushClientChannel::EncodeMessage(std::string* encoded_message,
+                                      const std::string& message,
+                                      const std::string& service_context,
+                                      int64 scheduling_hash) {
+  ipc::invalidation::ClientGatewayMessage envelope;
+  envelope.set_is_client_to_server(true);
+  if (!service_context.empty()) {
+    envelope.set_service_context(service_context);
+    envelope.set_rpc_scheduling_hash(scheduling_hash);
+  }
+  envelope.set_network_message(message);
+  envelope.SerializeToString(encoded_message);
+}
+
+bool PushClientChannel::DecodeMessage(const std::string& data,
+                                      std::string* message,
+                                      std::string* service_context,
+                                      int64* scheduling_hash) {
+  ipc::invalidation::ClientGatewayMessage envelope;
+  if (!envelope.ParseFromString(data)) {
+    return false;
+  }
+  *message = envelope.network_message();
+  if (envelope.has_service_context()) {
+    *service_context = envelope.service_context();
+  }
+  if (envelope.has_rpc_scheduling_hash()) {
+    *scheduling_hash = envelope.rpc_scheduling_hash();
+  }
+  return true;
+}
+
+scoped_ptr<base::DictionaryValue> PushClientChannel::CollectDebugData() const {
+  scoped_ptr<base::DictionaryValue> status(new base::DictionaryValue);
+  status->SetString("PushClientChannel.NetworkChannel", "Push Client");
+  status->SetInteger("PushClientChannel.SentMessages", sent_messages_count_);
+  status->SetInteger("PushClientChannel.ReceivedMessages",
+                     SyncNetworkChannel::GetReceivedMessagesCount());
+  return status.Pass();
+}
+
+}  // namespace syncer