Remove static_assert for QuicTransmissionInfo size

net/quic/core/quic_transmission_info.h

 // Copyright (c) 2016 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_QUIC_CORE_QUIC_TRANSMISSION_INFO_H_
 #define NET_QUIC_CORE_QUIC_TRANSMISSION_INFO_H_
 
 #include <list>
 
 #include "net/quic/core/frames/quic_frame.h"
@@ skipping 40 matching lines @@
   // Non-zero if the packet needs padding if it's retransmitted.
   int16_t num_padding_bytes;
   // Stores the packet number of the next retransmission of this packet.
   // Zero if the packet has not been retransmitted.
   QuicPacketNumber retransmission;
   // Non-empty if there is a listener for this packet.
   std::list<AckListenerWrapper> ack_listeners;
   // The largest_acked in the ack frame, if the packet contains an ack.
   QuicPacketNumber largest_acked;
 };
+// TODO(ianswett): Add static_assert when size of this struct is reduced below
+// 64 bytes.
+// NOTE(vlovich): Existing static_assert removed because padding differences on
+// 64-bit iOS resulted in an 88-byte struct that is greater than the 84-byte
+// limit on other platforms.  Removing per ianswett's request.
 
 }  // namespace net
 
 #endif  // NET_QUIC_CORE_QUIC_TRANSMISSION_INFO_H_