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

net/spdy/spdy_session.cc

Index: net/spdy/spdy_session.cc
diff --git a/net/spdy/spdy_session.cc b/net/spdy/spdy_session.cc
index d07e16da7cf8e92ab5f22c5162fc54f50aa818a3..2e42ffccfe4781bf5013a47d75a2f7bf38217b95 100644
--- a/net/spdy/spdy_session.cc
+++ b/net/spdy/spdy_session.cc
@@ -731,7 +731,6 @@
   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,
@@ -2709,8 +2708,8 @@
   // 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) {