Add performance tests for adding options to a select element.

Add performance tests for adding options to a select element.

Also, add TRACE to HTMLSelectElement::recalcListItems and selctOption.
They can be bottlenecks.

BUG=511563
Committed: https://crrev.com/7a4c4a4ae12d8a0d3a87b9d82fc7baf602fd5053
Cr-Commit-Position: refs/heads/master@{#359520}

[tkent, 2015-11-13 05:25:57]

Description was changed from

==========
Add performance tests for adding options to a select element.

BUG=511563
==========

to

==========
Add performance tests for adding options to a select element.

Also, add TRACE to HTMLSelectElement::recalcListItems and selctOption.
They can be bottlenecks.

BUG=511563
==========

[tkent, 2015-11-13 05:26:12]

tkent@chromium.org changed reviewers:
+ keishi@chromium.org

[tkent, 2015-11-13 05:26:13]

Keishi, would you review this please?

[keishi, 2015-11-13 07:16:40]

LGTM

https://codereview.chromium.org/1445443004/diff/1/third_party/WebKit/Performa...
File third_party/WebKit/PerformanceTests/DOM/select-single-add.html (right):

https://codereview.chromium.org/1445443004/diff/1/third_party/WebKit/Performa...
third_party/WebKit/PerformanceTests/DOM/select-single-add.html:15: description:
"Measures performance of adding option elements to a single-selection select
element.",
nit: mix of quotes in single file

[tkent, 2015-11-13 08:07:18]

https://codereview.chromium.org/1445443004/diff/1/third_party/WebKit/Performa...
File third_party/WebKit/PerformanceTests/DOM/select-single-add.html (right):

https://codereview.chromium.org/1445443004/diff/1/third_party/WebKit/Performa...
third_party/WebKit/PerformanceTests/DOM/select-single-add.html:15: description:
"Measures performance of adding option elements to a single-selection select
element.",
On 2015/11/13 at 07:16:40, keishi wrote:
> nit: mix of quotes in single file

Done.

[tkent, 2015-11-13 08:07:26]

The CQ bit was checked by tkent@chromium.org

[tkent, 2015-11-13 08:07:32]

The patchset sent to the CQ was uploaded after l-g-t-m from keishi@chromium.org
Link to the patchset: https://codereview.chromium.org/1445443004/#ps20001
(title: "consistent quotes")

[commit-bot: I haz the power, 2015-11-13 08:08:03]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1445443004/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1445443004/20001

[commit-bot: I haz the power, 2015-11-13 09:22:07]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2015-11-13 09:23:07]

Patchset 2 (id:??) landed as
https://crrev.com/7a4c4a4ae12d8a0d3a87b9d82fc7baf602fd5053
Cr-Commit-Position: refs/heads/master@{#359520}