Revert of Remove webrtc/libjingle/{xmllite,xmpp}

webrtc/libjingle/xmpp/xmpppump.cc

Index: webrtc/libjingle/xmpp/xmpppump.cc
diff --git a/webrtc/libjingle/xmpp/xmpppump.cc b/webrtc/libjingle/xmpp/xmpppump.cc
new file mode 100644
index 0000000000000000000000000000000000000000..abd740639ada0f160726c5f12bbeb021298fefc4
--- /dev/null
+++ b/webrtc/libjingle/xmpp/xmpppump.cc
@@ -0,0 +1,67 @@
+/*
+ *  Copyright 2004 The WebRTC Project Authors. All rights reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "webrtc/libjingle/xmpp/xmpppump.h"
+
+#include "webrtc/libjingle/xmpp/xmppauth.h"
+
+namespace buzz {
+
+XmppPump::XmppPump(XmppPumpNotify * notify) {
+  state_ = buzz::XmppEngine::STATE_NONE;
+  notify_ = notify;
+  client_ = new buzz::XmppClient(this);  // NOTE: deleted by TaskRunner
+}
+
+void XmppPump::DoLogin(const buzz::XmppClientSettings & xcs,
+                       buzz::AsyncSocket* socket,
+                       buzz::PreXmppAuth* auth) {
+  OnStateChange(buzz::XmppEngine::STATE_START);
+  if (!AllChildrenDone()) {
+    client_->SignalStateChange.connect(this, &XmppPump::OnStateChange);
+    client_->Connect(xcs, "", socket, auth);
+    client_->Start();
+  }
+}
+
+void XmppPump::DoDisconnect() {
+  if (!AllChildrenDone())
+    client_->Disconnect();
+  OnStateChange(buzz::XmppEngine::STATE_CLOSED);
+}
+
+void XmppPump::OnStateChange(buzz::XmppEngine::State state) {
+  if (state_ == state)
+    return;
+  state_ = state;
+  if (notify_ != NULL)
+    notify_->OnStateChange(state);
+}
+
+void XmppPump::WakeTasks() {
+  rtc::Thread::Current()->Post(RTC_FROM_HERE, this);
+}
+
+int64_t XmppPump::CurrentTime() {
+  return (int64_t)rtc::TimeMillis();
+}
+
+void XmppPump::OnMessage(rtc::Message *pmsg) {
+  RunTasks();
+}
+
+buzz::XmppReturnStatus XmppPump::SendStanza(const buzz::XmlElement *stanza) {
+  if (!AllChildrenDone())
+    return client_->SendStanza(stanza);
+  return buzz::XMPP_RETURN_BADSTATE;
+}
+
+}  // namespace buzz
+