Add kSpdyInitialHeaderListSizeLimit constant.

Add kSpdyInitialHeaderListSizeLimit constant.

This CL lands server change 115068348 by diannahu.

BUG=488484
Committed: https://crrev.com/956f91b7a56faf894efc50e6477472a1f05fdf95
Cr-Commit-Position: refs/heads/master@{#390361}

[Bence, 2016-04-22 18:08:53]

bnc@chromium.org changed reviewers:
+ rch@chromium.org

[Bence, 2016-04-22 18:08:53]

Ryan: PTAL.

[Ryan Hamilton, 2016-04-28 05:34:15]

lgtm

[Bence, 2016-04-28 12:15:25]

The CQ bit was checked by bnc@chromium.org

[Bence, 2016-04-28 12:15:26]

The patchset sent to the CQ was uploaded after l-g-t-m from rch@chromium.org
Link to the patchset: https://codereview.chromium.org/1911413002/#ps20001
(title: "Rebase.")

[commit-bot: I haz the power, 2016-04-28 12:15:34]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1911413002/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1911413002/20001

[commit-bot: I haz the power, 2016-04-28 13:09:50]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-04-30 17:17:56]

Patchset 2 (id:??) landed as
https://crrev.com/956f91b7a56faf894efc50e6477472a1f05fdf95
Cr-Commit-Position: refs/heads/master@{#390361}

[commit-bot: I haz the power, 2016-04-30 17:55:26]

Description was changed from

==========
Add kSpdyInitialHeaderListSizeLimit constant.

This CL lands server change 115068348 by diannahu.

BUG=488484
==========

to

==========
Add kSpdyInitialHeaderListSizeLimit constant.

This CL lands server change 115068348 by diannahu.

BUG=488484

Committed: https://crrev.com/956f91b7a56faf894efc50e6477472a1f05fdf95
Cr-Commit-Position: refs/heads/master@{#390361}
==========