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

webrtc/libjingle/xmpp/xmppauth.h

Index: webrtc/libjingle/xmpp/xmppauth.h
diff --git a/webrtc/libjingle/xmpp/xmppauth.h b/webrtc/libjingle/xmpp/xmppauth.h
new file mode 100644
index 0000000000000000000000000000000000000000..dd363d17ca03876590c332f2fa20e54d86f79f8e
--- /dev/null
+++ b/webrtc/libjingle/xmpp/xmppauth.h
@@ -0,0 +1,61 @@
+/*
+ *  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.
+ */
+
+#ifndef WEBRTC_LIBJINGLE_XMPP_XMPPAUTH_H_
+#define WEBRTC_LIBJINGLE_XMPP_XMPPAUTH_H_
+
+#include <vector>
+
+#include "webrtc/libjingle/xmpp/jid.h"
+#include "webrtc/libjingle/xmpp/prexmppauth.h"
+#include "webrtc/libjingle/xmpp/saslhandler.h"
+#include "webrtc/base/cryptstring.h"
+#include "webrtc/base/sigslot.h"
+
+class XmppAuth: public buzz::PreXmppAuth {
+public:
+  XmppAuth();
+  virtual ~XmppAuth();
+
+  // TODO: Just have one "secret" that is either pass or
+  // token?
+  virtual void StartPreXmppAuth(const buzz::Jid& jid,
+                                const rtc::SocketAddress& server,
+                                const rtc::CryptString& pass,
+                                const std::string& auth_mechanism,
+                                const std::string& auth_token);
+
+  virtual bool IsAuthDone() const { return done_; }
+  virtual bool IsAuthorized() const { return true; }
+  virtual bool HadError() const { return false; }
+  virtual int  GetError() const { return 0; }
+  virtual buzz::CaptchaChallenge GetCaptchaChallenge() const {
+      return buzz::CaptchaChallenge();
+  }
+  virtual std::string GetAuthMechanism() const { return auth_mechanism_; }
+  virtual std::string GetAuthToken() const { return auth_token_; }
+
+  virtual std::string ChooseBestSaslMechanism(
+      const std::vector<std::string>& mechanisms,
+      bool encrypted);
+
+  virtual buzz::SaslMechanism * CreateSaslMechanism(
+      const std::string& mechanism);
+
+private:
+  buzz::Jid jid_;
+  rtc::CryptString passwd_;
+  std::string auth_mechanism_;
+  std::string auth_token_;
+  bool done_;
+};
+
+#endif  // WEBRTC_LIBJINGLE_XMPP_XMPPAUTH_H_
+