Rather than passing initial_flow_control_window all the way down the

net/tools/quic/quic_client.h

 // Copyright (c) 2012 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.
 //
 // A toy client, which connects to a specified port and sends QUIC
 // request to that endpoint.
 
 #ifndef NET_TOOLS_QUIC_QUIC_CLIENT_H_
 #define NET_TOOLS_QUIC_QUIC_CLIENT_H_
 
@@ skipping 32 matching lines @@
     ResponseListener() {}
     virtual ~ResponseListener() {}
     virtual void OnCompleteResponse(QuicStreamId id,
                                     const BalsaHeaders& response_headers,
                                     const string& response_body) = 0;
   };
 
   QuicClient(IPEndPoint server_address,
              const QuicServerId& server_id,
              const QuicVersionVector& supported_versions,
+             bool print_response);
+  QuicClient(IPEndPoint server_address,
+             const QuicServerId& server_id,
+             const QuicVersionVector& supported_versions,
              bool print_response,
-             uint32 initial_flow_control_window);
-  QuicClient(IPEndPoint server_address,
-             const QuicServerId& server_id,
-             const QuicConfig& config,
-             const QuicVersionVector& supported_versions,
-             uint32 initial_flow_control_window);
+             const QuicConfig& config);
 
   virtual ~QuicClient();
 
   // Initializes the client to create a connection. Should be called exactly
   // once before calling StartConnect or Connect. Returns true if the
   // initialization succeeds, false otherwise.
   bool Initialize();
 
   // "Connect" to the QUIC server, including performing synchronous crypto
   // handshake.
@@ skipping 168 matching lines @@
   // This should be ordered such that the highest supported version is the first
   // element, with subsequent elements in descending order (versions can be
   // skipped as necessary). We will always pick supported_versions_[0] as the
   // initial version to use.
   QuicVersionVector supported_versions_;
 
   // If true, then the contents of each response will be printed to stdout
   // when the stream is closed (in OnClose).
   bool print_response_;
 
-  // Size of initial flow control receive window to advertise to server.
-  uint32 initial_flow_control_window_;
-
   DISALLOW_COPY_AND_ASSIGN(QuicClient);
 };
 
 }  // namespace tools
 }  // namespace net
 
 #endif  // NET_TOOLS_QUIC_QUIC_CLIENT_H_