Remove webrtc/libjingle/{xmllite,xmpp}

webrtc/libjingle/xmpp/module.h

-/*
- *  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_MODULE_H_
-#define WEBRTC_LIBJINGLE_XMPP_MODULE_H_
-
-#include "webrtc/libjingle/xmpp/xmppengine.h"
-
-namespace buzz {
-
-class XmppEngine;
-
-//! This is the base class for extension modules.
-//! An engine is registered with the module and the module then hooks the
-//! appropriate parts of the engine to implement that set of features.  It is
-//! important to unregister modules before destructing the engine.
-class XmppModule {
-public:
-  virtual ~XmppModule() {}
-
-  //! Register the engine with the module.  Only one engine can be associated
-  //! with a module at a time.  This method will return an error if there is
-  //! already an engine registered.
-  virtual XmppReturnStatus RegisterEngine(XmppEngine* engine) = 0;
-};
-
-}
-#endif  // WEBRTC_LIBJINGLE_XMPP_MODULE_H_