Remove insertUserStyleSheet function and enum UserStyleSheet.

Remove insertUserStyleSheet function and enum UserStyleSheet.

A UserStyleLevel parameter is no longer used in insertUserStyleSheet()
and insertUserStyleSheet() calls just insertStyleSheet() again.

chromium side: https://codereview.chromium.org/154113008

Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=167110

[abarth-chromium, 2014-02-11 19:29:08]

lgtm

[zino, 2014-02-13 14:20:07]

The CQ bit was checked by jinho.bang@samsung.com

[commit-bot: I haz the power, 2014-02-13 14:20:12]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/jinho.bang@samsung.com/143203006/1

[commit-bot: I haz the power, 2014-02-13 15:09:42]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2014-02-13 15:09:43]

Retried try job too often on linux_blink_rel for step(s) blink_heap_unittests,
blink_platform_unittests, webkit_lint, webkit_python_tests, webkit_tests,
webkit_unit_tests, wtf_unittests
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=linux_blin...

[zino, 2014-02-13 17:41:37]

The CQ bit was checked by jinho.bang@samsung.com

[commit-bot: I haz the power, 2014-02-13 17:41:54]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/jinho.bang@samsung.com/143203006/1

[commit-bot: I haz the power, 2014-02-13 19:58:21]

Change committed as 167110