Add P2PDatagramSocket and P2PStreamSocket interfaces.

remoting/protocol/channel_socket_adapter.h

 // Copyright 2015 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 REMOTING_PROTOCOL_CHANNEL_SOCKET_ADAPTER_H_
 #define REMOTING_PROTOCOL_CHANNEL_SOCKET_ADAPTER_H_
 
 #include "base/callback_forward.h"
 #include "base/compiler_specific.h"
 #include "base/threading/thread_checker.h"
-#include "net/socket/socket.h"
+#include "remoting/protocol/p2p_datagram_socket.h"
 #include "third_party/webrtc/base/asyncpacketsocket.h"
 #include "third_party/webrtc/base/sigslot.h"
 #include "third_party/webrtc/base/socketaddress.h"
 
 namespace cricket {
 class TransportChannel;
 }  // namespace cricket
 
 namespace remoting {
 namespace protocol {
 
-// TransportChannelSocketAdapter implements net::Socket interface on
+// TransportChannelSocketAdapter implements P2PDatagramSocket interface on
 // top of libjingle's TransportChannel. It is used by LibjingleTransportFactory
-// to provide net::Socket interface for channels.
-class TransportChannelSocketAdapter : public net::Socket,
+// to provide P2PDatagramSocket interface for channels.
+class TransportChannelSocketAdapter : public P2PDatagramSocket,
                                       public sigslot::has_slots<> {
  public:
   // Doesn't take ownership of the |channel|. The |channel| must outlive
   // this adapter.
   explicit TransportChannelSocketAdapter(cricket::TransportChannel* channel);
   ~TransportChannelSocketAdapter() override;
 
   // Sets callback that should be called when the adapter is being
   // destroyed. The callback is not allowed to touch the adapter, but
   // can do anything else, e.g. destroy the TransportChannel.
   void SetOnDestroyedCallback(const base::Closure& callback);
 
   // Closes the stream. |error_code| specifies error code that will
-  // be returned by Read() and Write() after the stream is closed.
+  // be returned by Recv() and Send() after the stream is closed.
   // Must be called before the session and the channel are destroyed.
   void Close(int error_code);
 
-  // net::Socket interface.
-  int Read(net::IOBuffer* buf,
-           int buf_len,
+  // P2PDatagramSocket interface.
+  int Recv(const scoped_refptr<net::IOBuffer>& buf, int buf_len,
            const net::CompletionCallback& callback) override;
-  int Write(net::IOBuffer* buf,
-            int buf_len,
-            const net::CompletionCallback& callback) override;
-
-  int SetReceiveBufferSize(int32 size) override;
-  int SetSendBufferSize(int32 size) override;
+  int Send(const scoped_refptr<net::IOBuffer>& buf, int buf_len,
+           const net::CompletionCallback& callback) override;
 
  private:
   void OnNewPacket(cricket::TransportChannel* channel,
                    const char* data,
                    size_t data_size,
                    const rtc::PacketTime& packet_time,
                    int flags);
   void OnWritableState(cricket::TransportChannel* channel);
   void OnChannelDestroyed(cricket::TransportChannel* channel);
 
@@ skipping 13 matching lines @@
 
   int closed_error_code_;
 
   DISALLOW_COPY_AND_ASSIGN(TransportChannelSocketAdapter);
 };
 
 }  // namespace protocol
 }  // namespace remoting
 
 #endif  // REMOTING_PROTOCOL_CHANNEL_SOCKET_ADAPTER_H_