Avoid duplicates in SPDY's write blocked list.

net/quic/quic_session.cc

 // 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.
 
 #include "net/quic/quic_session.h"
 
 #include "base/stl_util.h"
 #include "net/quic/crypto/proof_verifier.h"
 #include "net/quic/quic_connection.h"
 #include "net/quic/quic_flow_controller.h"
@@ skipping 84 matching lines @@
  private:
   QuicSession* session_;
 };
 
 QuicSession::QuicSession(QuicConnection* connection, const QuicConfig& config)
     : connection_(connection),
       visitor_shim_(new VisitorShim(this)),
       config_(config),
       max_open_streams_(config_.MaxStreamsPerConnection()),
       next_stream_id_(is_server() ? 2 : 5),
+      write_blocked_streams_(true),

[Ryan Hamilton, 2015/03/09 17:46:04]

Should this be true or false? seems like false would be a better default.

       largest_peer_created_stream_id_(0),
       error_(QUIC_NO_ERROR),
       flow_controller_(new QuicFlowController(
           connection_.get(),
           0,
           is_server(),
           kMinimumFlowControlSendWindow,
           config_.GetInitialSessionFlowControlWindowToSend(),
           config_.GetInitialSessionFlowControlWindowToSend())),
       goaway_received_(false),
@@ skipping 627 matching lines @@
   for (DataStreamMap::iterator it = stream_map_.begin();
        it != stream_map_.end(); ++it) {
     if (it->second->flow_controller()->IsBlocked()) {
       return true;
     }
   }
   return false;
 }
 
 }  // namespace net