Add P2PDatagramSocket and P2PStreamSocket interfaces.

remoting/protocol/fake_datagram_socket.cc

Index: remoting/protocol/fake_datagram_socket.cc
diff --git a/remoting/protocol/fake_datagram_socket.cc b/remoting/protocol/fake_datagram_socket.cc
index 9bd4ede48b336e0356aebfa8b7342676f68dd1cc..53d31d098276420b140092c0add0c4a22a479eaa 100644
--- a/remoting/protocol/fake_datagram_socket.cc
+++ b/remoting/protocol/fake_datagram_socket.cc
@@ -51,7 +51,8 @@ base::WeakPtr<FakeDatagramSocket> FakeDatagramSocket::GetWeakPtr() {
   return weak_factory_.GetWeakPtr();
 }
 
-int FakeDatagramSocket::Read(net::IOBuffer* buf, int buf_len,
+int FakeDatagramSocket::Recv(const scoped_refptr<net::IOBuffer>& buf,
+                             int buf_len,
                              const net::CompletionCallback& callback) {
   EXPECT_TRUE(task_runner_->BelongsToCurrentThread());
   if (input_pos_ < static_cast<int>(input_packets_.size())) {
@@ -64,8 +65,9 @@ int FakeDatagramSocket::Read(net::IOBuffer* buf, int buf_len,
   }
 }
 
-int FakeDatagramSocket::Write(net::IOBuffer* buf, int buf_len,
-                         const net::CompletionCallback& callback) {
+int FakeDatagramSocket::Send(const scoped_refptr<net::IOBuffer>& buf,
+                             int buf_len,
+                             const net::CompletionCallback& callback) {
   EXPECT_TRUE(task_runner_->BelongsToCurrentThread());
   written_packets_.push_back(std::string());
   written_packets_.back().assign(buf->data(), buf->data() + buf_len);
@@ -73,25 +75,15 @@ int FakeDatagramSocket::Write(net::IOBuffer* buf, int buf_len,
   if (peer_socket_.get()) {
     task_runner_->PostTask(
         FROM_HERE,
-        base::Bind(&FakeDatagramSocket::AppendInputPacket,
-                   peer_socket_,
+        base::Bind(&FakeDatagramSocket::AppendInputPacket, peer_socket_,
                    std::string(buf->data(), buf->data() + buf_len)));
   }
 
   return buf_len;
 }
 
-int FakeDatagramSocket::SetReceiveBufferSize(int32 size) {
-  NOTIMPLEMENTED();
-  return net::ERR_NOT_IMPLEMENTED;
-}
-
-int FakeDatagramSocket::SetSendBufferSize(int32 size) {
-  NOTIMPLEMENTED();
-  return net::ERR_NOT_IMPLEMENTED;
-}
-
-int FakeDatagramSocket::CopyReadData(net::IOBuffer* buf, int buf_len) {
+int FakeDatagramSocket::CopyReadData(const scoped_refptr<net::IOBuffer>& buf,
+                                     int buf_len) {
   int size = std::min(
       buf_len, static_cast<int>(input_packets_[input_pos_].size()));
   memcpy(buf->data(), &(*input_packets_[input_pos_].begin()), size);