Allow large response headers to buffer in HpackDecoder.

net/spdy/chromium/spdy_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/spdy/chromium/spdy_session.h"
 
 #include <algorithm>
 #include <limits>
 #include <map>
 #include <utility>
@@ skipping 876 matching lines @@
 
   connection_ = std::move(connection);
 
   session_send_window_size_ = kDefaultInitialWindowSize;
   session_recv_window_size_ = kDefaultInitialWindowSize;
 
   buffered_spdy_framer_ = base::MakeUnique<BufferedSpdyFramer>(net_log_);
   buffered_spdy_framer_->set_visitor(this);
   buffered_spdy_framer_->set_debug_visitor(this);
   buffered_spdy_framer_->UpdateHeaderDecoderTableSize(max_header_table_size_);
+  // Do not bother decoding response headers more than a factor over the limit.
+  buffered_spdy_framer_->set_max_decode_buffer_size_bytes(2 *
+                                                          kMaxHeaderListSize);

[Bence, 2017/07/11 02:00:04]

Nit: include header_coalescer.h for this.

 
   net_log_.AddEvent(NetLogEventType::HTTP2_SESSION_INITIALIZED,
                     base::Bind(&NetLogSpdyInitializedCallback,
                                connection_->socket()->NetLog().source()));
 
   DCHECK_EQ(availability_state_, STATE_AVAILABLE);
   connection_->AddHigherLayeredPool(this);
   if (enable_sending_initial_data_)
     SendInitialData();
   pool_ = pool;
@@ skipping 2336 matching lines @@
     if (!queue->empty()) {
       SpdyStreamId stream_id = queue->front();
       queue->pop_front();
       return stream_id;
     }
   }
   return 0;
 }
 
 }  // namespace net