Remove webrtc/libjingle/{examples,session}.

webrtc/libjingle/session/sessionclient.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_P2P_BASE_SESSIONCLIENT_H_
-#define WEBRTC_P2P_BASE_SESSIONCLIENT_H_
-
-#include "webrtc/libjingle/session/constants.h"
-#include "webrtc/p2p/base/constants.h"
-
-namespace buzz {
-class XmlElement;
-}
-
-namespace cricket {
-
-struct ParseError;
-struct WriteError;
-class Session;
-class ContentDescription;
-
-class ContentParser {
- public:
-  virtual bool ParseContent(SignalingProtocol protocol,
-                            const buzz::XmlElement* elem,
-                            ContentDescription** content,
-                            ParseError* error) = 0;
-  // If not IsWriteable, then a given content should be "skipped" when
-  // writing in the given protocol, as if it didn't exist.  We assume
-  // most things are writeable.  We do this to avoid strange cases
-  // like data contents in Gingle, which aren't writable.
-  virtual bool IsWritable(SignalingProtocol protocol,
-                          const ContentDescription* content) {
-    return true;
-  }
-  virtual bool WriteContent(SignalingProtocol protocol,
-                            const ContentDescription* content,
-                            buzz::XmlElement** elem,
-                            WriteError* error) = 0;
-  virtual ~ContentParser() {}
-};
-
-// A SessionClient exists in 1-1 relation with each session.  The implementor
-// of this interface is the one that understands *what* the two sides are
-// trying to send to one another.  The lower-level layers only know how to send
-// data; they do not know what is being sent.
-class SessionClient : public ContentParser {
- public:
-  // Notifies the client of the creation / destruction of sessions of this type.
-  //
-  // IMPORTANT: The SessionClient, in its handling of OnSessionCreate, must
-  // create whatever channels are indicate in the description.  This is because
-  // the remote client may already be attempting to connect those channels. If
-  // we do not create our channel right away, then connection may fail or be
-  // delayed.
-  virtual void OnSessionCreate(Session* session, bool received_initiate) = 0;
-  virtual void OnSessionDestroy(Session* session) = 0;
-
-  virtual bool ParseContent(SignalingProtocol protocol,
-                            const buzz::XmlElement* elem,
-                            ContentDescription** content,
-                            ParseError* error) = 0;
-  virtual bool WriteContent(SignalingProtocol protocol,
-                            const ContentDescription* content,
-                            buzz::XmlElement** elem,
-                            WriteError* error) = 0;
- protected:
-  // The SessionClient interface explicitly does not include destructor
-  virtual ~SessionClient() { }
-};
-
-}  // namespace cricket
-
-#endif  // WEBRTC_P2P_BASE_SESSIONCLIENT_H_