Ignore break-word when white-space pre/nowrap is specified

Ignore break-word when white-space pre/nowrap is specified

Update our implementation to ignore break-word if white-space pre/nowrap
is specified. This complies with latest version of the CSS Text spec [1]
and matches the behavior of Firefox.

R=leviw@chromium.org
BUG=373502
TEST=fast/text/word-wrap-whitespace-pre.html
     fast/text/word-break.html

1: http://dev.w3.org/csswg/css-text-4/#white-space

Committed: https://crrev.com/122865bf39b087bfc1c7f29eff8bb7c240d7a616
Cr-Commit-Position: refs/heads/master@{#360391}

[leviw_travelin_and_unemployed, 2015-11-17 22:41:55]

lgtm

[eae, 2015-11-17 22:42:13]

The CQ bit was checked by eae@chromium.org

[commit-bot: I haz the power, 2015-11-17 22:43:11]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1452343002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1452343002/1

[commit-bot: I haz the power, 2015-11-17 23:25:22]

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

[commit-bot: I haz the power, 2015-11-17 23:25:23]

Try jobs failed on following builders:
  win_chromium_rel_ng on tryserver.chromium.win (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.win/builders/win_chromium_rel_...)

[eae, 2015-11-17 23:28:31]

The CQ bit was checked by eae@chromium.org

[eae, 2015-11-17 23:28:31]

The patchset sent to the CQ was uploaded after l-g-t-m from leviw@chromium.org
Link to the patchset: https://codereview.chromium.org/1452343002/#ps20001
(title: " ")

[commit-bot: I haz the power, 2015-11-17 23:31:03]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1452343002/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1452343002/20001

[commit-bot: I haz the power, 2015-11-18 02:07:01]

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

[commit-bot: I haz the power, 2015-11-18 02:07:02]

Try jobs failed on following builders:
  mac_chromium_rel_ng on tryserver.chromium.mac (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.mac/builders/mac_chromium_rel_...)

[eae, 2015-11-18 18:20:57]

The CQ bit was checked by eae@chromium.org

[eae, 2015-11-18 18:20:57]

The patchset sent to the CQ was uploaded after l-g-t-m from leviw@chromium.org
Link to the patchset: https://codereview.chromium.org/1452343002/#ps40001
(title: " ")

[commit-bot: I haz the power, 2015-11-18 18:23:33]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1452343002/40001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1452343002/40001

[commit-bot: I haz the power, 2015-11-18 19:45:07]

Committed patchset #3 (id:40001)

[commit-bot: I haz the power, 2015-11-18 19:46:13]

Patchset 3 (id:??) landed as
https://crrev.com/122865bf39b087bfc1c7f29eff8bb7c240d7a616
Cr-Commit-Position: refs/heads/master@{#360391}