Increase the QUIC header size limit to 256KB from 16KB.

net/quic/chromium/quic_chromium_client_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/chromium/quic_chromium_client_session.h"
 
 #include <utility>
 
 #include "base/callback_helpers.h"
 #include "base/location.h"
@@ skipping 46 matching lines @@
 // Size of the MRU cache of Token Binding signatures. Since the material being
 // signed is constant and there aren't many keys being used to sign, a fairly
 // small number was chosen, somewhat arbitrarily, and to match
 // SSLClientSocketImpl.
 const size_t kTokenBindingSignatureMapSize = 10;
 
 // Time to wait (in seconds) when no networks are available and
 // migrating sessions need to wait for a new network to connect.
 const size_t kWaitTimeForNewNetworkSecs = 10;
 
+// The maximum size of uncompressed QUIC headers that will be allowed.
+const size_t kMaxUncompressedHeaderSize = 256 * 1024;
+
 // Histograms for tracking down the crashes from http://crbug.com/354669
 // Note: these values must be kept in sync with the corresponding values in:
 // tools/metrics/histograms/histograms.xml
 enum Location {
   DESTRUCTOR = 0,
   ADD_OBSERVER = 1,
   TRY_CREATE_STREAM = 2,
   CREATE_OUTGOING_RELIABLE_STREAM = 3,
   NOTIFY_FACTORY_OF_SESSION_CLOSED_LATER = 4,
   NOTIFY_FACTORY_OF_SESSION_CLOSED = 5,
@@ skipping 591 matching lines @@
     QuicStreamId id) {
   return QuicMakeUnique<QuicChromiumClientStream>(id, this, net_log_);
 }
 
 void QuicChromiumClientSession::Initialize() {
   QuicClientSessionBase::Initialize();
   SetHpackEncoderDebugVisitor(
       base::MakeUnique<HpackEncoderDebugVisitor>());
   SetHpackDecoderDebugVisitor(
       base::MakeUnique<HpackDecoderDebugVisitor>());
+  set_max_uncompressed_header_bytes(kMaxUncompressedHeaderSize);
 }
 
 void QuicChromiumClientSession::OnHeadersHeadOfLineBlocking(
     QuicTime::Delta delta) {
   UMA_HISTOGRAM_TIMES(
       "Net.QuicSession.HeadersHOLBlockedTime",
       base::TimeDelta::FromMicroseconds(delta.ToMicroseconds()));
 }
 
 void QuicChromiumClientSession::OnStreamFrame(const QuicStreamFrame& frame) {
@@ skipping 1068 matching lines @@
 }
 
 size_t QuicChromiumClientSession::EstimateMemoryUsage() const {
   // TODO(xunjieli): Estimate |crypto_stream_|, QuicSpdySession's
   // QuicHeaderList, QuicSession's QuiCWriteBlockedList, open streams and
   // unacked packet map.
   return base::trace_event::EstimateMemoryUsage(packet_readers_);
 }
 
 }  // namespace net