The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/b4dde882f6c2b2be84035b53f60ec286d347bc50

commit b4dde882f6c2b2be84035b53f60ec286d347bc50
Author: piperc <piperc@chromium.org>
Date: Thu Mar 23 20:51:11 2017

Use vectors instead of IOBuffer for U2fPackets

Changed to using vector class variables in U2fPacket. Now only
converting to IOBuffer on the fly in U2fMessage when needed.

BUG= 704309 

Review-Url: https://codereview.chromium.org/2771673002
Cr-Commit-Position: refs/heads/master@{#459211}

[modify] https://crrev.com/b4dde882f6c2b2be84035b53f60ec286d347bc50/device/u2f/u2f_hid_device.cc
[modify] https://crrev.com/b4dde882f6c2b2be84035b53f60ec286d347bc50/device/u2f/u2f_message.cc
[modify] https://crrev.com/b4dde882f6c2b2be84035b53f60ec286d347bc50/device/u2f/u2f_message.h
[modify] https://crrev.com/b4dde882f6c2b2be84035b53f60ec286d347bc50/device/u2f/u2f_message_fuzzer.cc
[modify] https://crrev.com/b4dde882f6c2b2be84035b53f60ec286d347bc50/device/u2f/u2f_message_unittest.cc
[modify] https://crrev.com/b4dde882f6c2b2be84035b53f60ec286d347bc50/device/u2f/u2f_packet.cc
[modify] https://crrev.com/b4dde882f6c2b2be84035b53f60ec286d347bc50/device/u2f/u2f_packet.h