Sync XML-related interfaces with their specs, or lack thereof

Sync XML-related interfaces with their specs, or lack thereof

The inResult arguments in XPathEvaluator and XPathExpression are called
just result in the spec, but that conflicts with other variables in the
generated code, so leave that as it is.

BUG=460722
Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=198201

[philipj_slow, 2015-06-30 22:04:46]

The CQ bit was checked by philipj@opera.com to run a CQ dry run

[commit-bot: I haz the power, 2015-06-30 22:05:17]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1222503003/1

[commit-bot: I haz the power, 2015-06-30 22:14:03]

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

[commit-bot: I haz the power, 2015-06-30 22:14:05]

Dry run: Exceeded global retry quota

[philipj_slow, 2015-07-01 21:29:37]

philipj@opera.com changed reviewers:
+ jl@opera.com

[philipj_slow, 2015-07-01 21:29:37]

PTAL

[Jens Widell, 2015-07-02 05:26:43]

LGTM

[philipj_slow, 2015-07-02 08:36:30]

The CQ bit was checked by philipj@opera.com

[commit-bot: I haz the power, 2015-07-02 08:36:36]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1222503003/20001

[commit-bot: I haz the power, 2015-07-02 09:43:58]

Committed patchset #2 (id:20001) as
https://src.chromium.org/viewvc/blink?view=rev&revision=198201