Remove now unused Balsa code.

net/tools/quic/test_tools/simple_client.h

-// Copyright 2014 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 NET_TOOLS_QUIC_TEST_TOOLS_SIMPLE_CLIENT_H_
-#define NET_TOOLS_QUIC_TEST_TOOLS_SIMPLE_CLIENT_H_
-
-#include <stddef.h>
-#include <stdint.h>
-
-#include <string>
-#include <vector>
-
-#include "net/base/ip_address.h"
-#include "net/base/ip_endpoint.h"
-#include "net/tools/balsa/balsa_frame.h"
-
-namespace net {
-namespace test {
-
-class HTTPMessage;
-
-class SimpleClient {
- public:
-  virtual ~SimpleClient() {}
-
-  // Clears any outstanding state and sends 'size' bytes from 'buffer' to the
-  // server, possibly with multiple send operations.  Returns 'size' on success
-  // and -1 on error.  Callers should assume that any return value other than
-  // 'size' indicates failure.
-  virtual ssize_t Send(const void* buffer, size_t size) = 0;
-
-  // Serialize and send an HTTP request.
-  virtual ssize_t SendMessage(const HTTPMessage& message) = 0;
-
-  // Clears any outstanding state, sends 'size' bytes from 'buffer' and waits
-  // for a response or an error.
-  virtual ssize_t SendAndWaitForResponse(const void* buffer, size_t size) = 0;
-
-  // Clears any outstanding state and sends a simple GET of 'uri' to the
-  // server.
-  virtual ssize_t SendRequest(const std::string& uri) = 0;
-
-  // The response body is returned as a string.
-  virtual std::string SendCustomSynchronousRequest(
-      const HTTPMessage& message) = 0;
-  virtual std::string SendSynchronousRequest(const std::string& url) = 0;
-
-  // Returns once a complete response or a connection close has been received
-  // from the server.
-  virtual void WaitForResponse();
-
-  // Waits for some data or response from the server.
-  virtual void WaitForInitialResponse();
-
-  // Returns once a complete response or a connection close has been received
-  // from the server, or once the timeout expires. -1 for no timeout.
-  virtual void WaitForResponseForMs(int timeout_ms);
-
-  // Waits for some data or response from the server, or once the timeout
-  // expires. -1 for no timeout.
-  virtual void WaitForInitialResponseForMs(int timeout_ms);
-
-  virtual bool WaitUntil(int timeout_ms, std::function<bool()> trigger) = 0;
-
-  // Clears any outstanding state from the last request.
-  virtual void ClearPerRequestState() = 0;
-
-  // Closes and reopens the connection to the server.
-  virtual void ResetConnection() = 0;
-
-  // Closes the connection to the server.
-  virtual void Disconnect() = 0;
-
-  // Both will return 0 on success, -1 otherwise.
-  // Sends out RST packet to peer.
-  // TODO(yongfa): Probably should be an interface too. LOG(FATAL) here
-  // to prevent accidental invocation.
-  virtual int ResetSocket();
-
-  virtual int HalfClose();
-
-  // Connects to the server.  This should be done implicitly by Send*
-  // functions, but can be done explicitly as well.
-  virtual void Connect() = 0;
-
-  // Bind to the specified address.  If set_bind_to_address() is called, this
-  // is called automatically on connect, but can be done explicitly to make
-  // LocalIPEndPoint() meaningful before actually connecting.
-  // Sets *local_address to the actual address bound to, which can be different
-  // if the given address has port 0.
-  virtual void Bind(IPEndPoint* local_address) = 0;
-
-  virtual void MigrateSocket(const IPAddress& new_host) = 0;
-
-  // Returns the local socket address of the client fd. Call only when
-  // connected.
-  // To get the local IPAdress, use local_address().host().
-  // To get the local port, use local_address.port().
-  virtual IPEndPoint local_address() const = 0;
-
-  // Returns the serialized message that would be sent by any of the HTTPMessage
-  // functions above.
-  virtual std::string SerializeMessage(const HTTPMessage& message) = 0;
-
-  // Sets the IP address to bind to on future Connect()s in case Bind() is not
-  // called in advance. If it's set to uninitialized IPAddress, default loopback
-  // address will be used.
-  virtual IPAddress bind_to_address() const = 0;
-  virtual void set_bind_to_address(const IPAddress& address) = 0;
-
-  // Returns true if the headers have been processed and are available.
-  virtual bool response_headers_complete() const = 0;
-
-  // Returns the response headers, if a response was completely framed.
-  // Undefined behavior otherwise.
-  virtual const BalsaHeaders* response_headers() const = 0;
-
-  // Returns true iff response has been fully received.
-  virtual bool response_complete() const = 0;
-
-  // Returns the number of bytes read from the server during this request.
-  virtual int64_t response_size() const = 0;
-
-  // Returns the number of header bytes received during this request, if
-  // meaningful for the protocol.
-  virtual int response_header_size() const;
-
-  // Returns the number of body bytes received during this request, if
-  // meaningful for the protocol.
-  virtual int64_t response_body_size() const;
-
-  // Returns the response body, if there was one. If there was no response, or
-  // if buffer_body() is false, returns an empty string.
-  virtual const std::string& response_body() = 0;
-
-  // The address the client is connected to.
-  virtual const IPEndPoint& address() const = 0;
-
-  // Returns true if the client is connected, false otherwise.
-  virtual bool connected() const = 0;
-
-  // Returns true if the server has informed the client that it is
-  // in "lame duck" mode, indicating intent to shut down and
-  // requesting that no further connections be established.
-  virtual bool ServerInLameDuckMode() const = 0;
-
-  // Return the number of bytes read off the wire by this client.
-  virtual size_t bytes_read() const = 0;
-
-  // Returns the number of bytes written to the wire by this client.
-  virtual size_t bytes_written() const = 0;
-
-  // Return the number of requests sent.
-  virtual size_t requests_sent() const = 0;
-
-  // Instructs the client to populate response_body().
-  virtual bool buffer_body() const = 0;
-  virtual void set_buffer_body(bool buffer_body) = 0;
-};
-
-}  // namespace test
-}  // namespace net
-
-#endif  // NET_TOOLS_QUIC_TEST_TOOLS_SIMPLE_CLIENT_H_