Add xmllite and xmpp sources to third_party/

third_party/libjingle_xmpp/xmpp/receivetask.cc

+/*
+ *  Copyright 2011 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 "third_party/libjingle_xmpp/xmpp/constants.h"
+#include "third_party/libjingle_xmpp/xmpp/receivetask.h"
+
+namespace buzz {
+
+bool ReceiveTask::HandleStanza(const XmlElement* stanza) {
+  if (WantsStanza(stanza)) {
+    QueueStanza(stanza);
+    return true;
+  }
+
+  return false;
+}
+
+int ReceiveTask::ProcessStart() {
+  const XmlElement* stanza = NextStanza();
+  if (stanza == NULL)
+    return STATE_BLOCKED;
+
+  ReceiveStanza(stanza);
+  return STATE_START;
+}
+
+}  // namespace buzz