Introduce RenderingTest::getLayoutObjectByElementId().

Introduce RenderingTest::getLayoutObjectByElementId().

Because it's boring to type document().getElementById("foo")->layoutObject().

Committed: https://crrev.com/795172c0cf71490d8b9f9515a3c175d355b633fc
Cr-Commit-Position: refs/heads/master@{#373150}

[mstensho (USE GERRIT), 2016-02-02 17:47:44]

mstensho@opera.com changed reviewers:
+ leviw@chromium.org

[leviw_travelin_and_unemployed, 2016-02-03 03:01:52]

The CQ bit was checked by leviw@chromium.org

[leviw_travelin_and_unemployed, 2016-02-03 03:01:52]

lgtm

Dang, there was more of that than I expected.

[commit-bot: I haz the power, 2016-02-03 03:03:50]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1662483002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1662483002/1

[commit-bot: I haz the power, 2016-02-03 03:12:48]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-02-03 03:14:11]

Description was changed from

==========
Introduce RenderingTest::getLayoutObjectByElementId().

Because it's boring to type document().getElementById("foo")->layoutObject().
==========

to

==========
Introduce RenderingTest::getLayoutObjectByElementId().

Because it's boring to type document().getElementById("foo")->layoutObject().

Committed: https://crrev.com/795172c0cf71490d8b9f9515a3c175d355b633fc
Cr-Commit-Position: refs/heads/master@{#373150}
==========

[commit-bot: I haz the power, 2016-02-03 03:14:12]

Patchset 1 (id:??) landed as
https://crrev.com/795172c0cf71490d8b9f9515a3c175d355b633fc
Cr-Commit-Position: refs/heads/master@{#373150}