Revert of Increase maximum size of the HPACK decoder dynamic table to 64 kB.

net/spdy/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/spdy_session.h"
 
 #include <algorithm>
 #include <limits>
 #include <map>
 #include <utility>
@@ skipping 713 matching lines @@
   connection_ = std::move(connection);
   is_secure_ = is_secure;
   certificate_error_code_ = certificate_error_code;
 
   session_send_window_size_ = kDefaultInitialWindowSize;
   session_recv_window_size_ = kDefaultInitialWindowSize;
 
   buffered_spdy_framer_.reset(new BufferedSpdyFramer());
   buffered_spdy_framer_->set_visitor(this);
   buffered_spdy_framer_->set_debug_visitor(this);
-  buffered_spdy_framer_->UpdateHeaderDecoderTableSize(kMaxHeaderTableSize);
 
   net_log_.AddEvent(NetLog::TYPE_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 1957 matching lines @@
       new SpdySerializedFrame(const_cast<char*>(kHttp2ConnectionHeaderPrefix),
                               kHttp2ConnectionHeaderPrefixSize,
                               false /* take_ownership */));
   // Count the prefix as part of the subsequent SETTINGS frame.
   EnqueueSessionWrite(HIGHEST, SETTINGS,
                       std::move(connection_header_prefix_frame));
 
   // First, notify the server about the settings they should use when
   // communicating with us.
   SettingsMap settings_map;
-  settings_map[SETTINGS_HEADER_TABLE_SIZE] =
-      SettingsFlagsAndValue(SETTINGS_FLAG_NONE, kMaxHeaderTableSize);
+  // Create a new settings frame notifying the server of our
+  // max concurrent streams and initial window size.
   settings_map[SETTINGS_MAX_CONCURRENT_STREAMS] =
       SettingsFlagsAndValue(SETTINGS_FLAG_NONE, kMaxConcurrentPushedStreams);
   if (stream_max_recv_window_size_ != kDefaultInitialWindowSize) {
     settings_map[SETTINGS_INITIAL_WINDOW_SIZE] =
         SettingsFlagsAndValue(SETTINGS_FLAG_NONE, stream_max_recv_window_size_);
   }
   SendSettings(settings_map);
 
   // Next, notify the server about our initial recv window size.
   // Bump up the receive window size to the real initial value. This
@@ skipping 419 matching lines @@
     if (!queue->empty()) {
       SpdyStreamId stream_id = queue->front();
       queue->pop_front();
       return stream_id;
     }
   }
   return 0;
 }
 
 }  // namespace net