Remove ENABLE_PERSISTENT_SESSION_COOKIES

Remove ENABLE_PERSISTENT_SESSION_COOKIES

This isn't needed anymore now that CookieMonster::SetPersistSessionCookies
exists.

BUG=115372
Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=149708

[Iain Merrick, 2012-08-02 09:30:02]

LGTM.

CookieMonster has methods called SetForceKeepSessionState and
SetPersistSessionCookies, which seem pretty redundant. Maybe we could do some
further cleanup.

[erikwright (departed), 2012-08-02 11:02:47]

LGTM.

[sky, 2012-08-02 16:29:54]

LGTM

[commit-bot: I haz the power, 2012-08-02 16:38:59]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/jgreenwald@chromium.org/10831117/1

[commit-bot: I haz the power, 2012-08-02 16:39:04]

Failed to apply patch for net/net.gyp:
While running patch -p1 --forward --force;
patching file net/net.gyp
Hunk #1 succeeded at 1479 with fuzz 1 (offset 447 lines).
Hunk #2 FAILED at 1452.
1 out of 2 hunks FAILED -- saving rejects to file net/net.gyp.rej

[commit-bot: I haz the power, 2012-08-02 17:40:10]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/jgreenwald@chromium.org/10831117/8001

[commit-bot: I haz the power, 2012-08-02 17:40:19]

Presubmit check for 10831117-8001 failed and returned exit status 1.

Running presubmit commit checks ...

** Presubmit ERRORS **
Missing LGTM from an OWNER for files in these directories:
    net

Was the presubmit check useful? Please send feedback & hate mail to
maruel@chromium.org!

[Jesse Greenwald, 2012-08-02 17:46:59]

rsleevi - can you take a look at the net/net.gyp change?

Thanks,

[Ryan Sleevi, 2012-08-02 19:16:34]

lgtm

[commit-bot: I haz the power, 2012-08-02 20:08:37]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/jgreenwald@chromium.org/10831117/8001

[commit-bot: I haz the power, 2012-08-02 21:43:57]

Change committed as 149708