Add xmllite and xmpp sources to third_party/

third_party/xmpp/saslcookiemechanism.h

Index: third_party/xmpp/saslcookiemechanism.h
diff --git a/third_party/xmpp/saslcookiemechanism.h b/third_party/xmpp/saslcookiemechanism.h
new file mode 100644
index 0000000000000000000000000000000000000000..6b1c9652e2871bc37e5df701a36df11b10d59a9b
--- /dev/null
+++ b/third_party/xmpp/saslcookiemechanism.h
@@ -0,0 +1,63 @@
+// Copyright 2004 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.
+
+#ifndef WEBRTC_LIBJINGLE_XMPP_SASLCOOKIEMECHANISM_H_
+#define WEBRTC_LIBJINGLE_XMPP_SASLCOOKIEMECHANISM_H_
+
+#include "third_party/xmllite/qname.h"
+#include "third_party/xmllite/xmlelement.h"
+#include "third_party/xmpp/constants.h"
+#include "third_party/xmpp/saslmechanism.h"
+
+namespace buzz {
+
+class SaslCookieMechanism : public SaslMechanism {
+
+public:
+  SaslCookieMechanism(const std::string & mechanism,
+                      const std::string & username,
+                      const std::string & cookie,
+                      const std::string & token_service)
+    : mechanism_(mechanism),
+      username_(username),
+      cookie_(cookie),
+      token_service_(token_service) {}
+
+  SaslCookieMechanism(const std::string & mechanism,
+                      const std::string & username,
+                      const std::string & cookie)
+    : mechanism_(mechanism),
+      username_(username),
+      cookie_(cookie),
+      token_service_("") {}
+
+  virtual std::string GetMechanismName() { return mechanism_; }
+
+  virtual XmlElement * StartSaslAuth() {
+    // send initial request
+    XmlElement * el = new XmlElement(QN_SASL_AUTH, true);
+    el->AddAttr(QN_MECHANISM, mechanism_);
+    if (!token_service_.empty()) {
+      el->AddAttr(QN_GOOGLE_AUTH_SERVICE, token_service_);
+    }
+
+    std::string credential;
+    credential.append("\0", 1);
+    credential.append(username_);
+    credential.append("\0", 1);
+    credential.append(cookie_);
+    el->AddText(Base64Encode(credential));
+    return el;
+  }
+
+private:
+  std::string mechanism_;
+  std::string username_;
+  std::string cookie_;
+  std::string token_service_;
+};
+
+}
+
+#endif  // WEBRTC_LIBJINGLE_XMPP_SASLCOOKIEMECHANISM_H_