QUIC: Add packet_reader_yield_after_duration_milliseconds field trial param.

net/http/http_network_session.h

 // 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.
 
 #ifndef NET_HTTP_HTTP_NETWORK_SESSION_H_
 #define NET_HTTP_HTTP_NETWORK_SESSION_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 144 matching lines @@
     QuicCryptoClientStreamFactory* quic_crypto_client_stream_factory;
     // Versions of QUIC which may be used.
     QuicVersionVector quic_supported_versions;
     int quic_max_recent_disabled_reasons;
     int quic_threshold_public_resets_post_handshake;
     int quic_threshold_timeouts_streams_open;
     // Set of QUIC tags to send in the handshake's connection options.
     QuicTagVector quic_connection_options;
     // If true, all QUIC sessions are closed when any local IP address changes.
     bool quic_close_sessions_on_ip_change;
-    // Specifes QUIC idle connection state lifetime.
+    // Specifies QUIC idle connection state lifetime.

[Ryan Hamilton, 2016/08/23 02:21:34]

Thanks!

     int quic_idle_connection_timeout_seconds;
+    // Specifies the maximum time duration that QUIC packet reader can perform
+    // consecutive packets reading.
+    int quic_packet_reader_yield_after_duration_milliseconds;
     // If true, disable preconnections if QUIC can do 0RTT.
     bool quic_disable_preconnect_if_0rtt;
     // List of hosts for which QUIC is explicitly whitelisted.
     std::unordered_set<std::string> quic_host_whitelist;
     // If true, active QUIC sessions may be migrated onto a new network when
     // the platform indicates that the default network is changing.
     bool quic_migrate_sessions_on_network_change;
     // If true, active QUIC sessions experiencing poor connectivity may be
     // migrated onto a new network.
     bool quic_migrate_sessions_early;
@@ skipping 125 matching lines @@
   bool enabled_protocols_[NUM_VALID_ALTERNATE_PROTOCOLS];
 
   Params params_;
 
   std::unique_ptr<base::MemoryPressureListener> memory_pressure_listener_;
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_NETWORK_SESSION_H_