Add more UseCounters for -webkit-appearance:button and -webkit-appearance:textfield.

Add more UseCounters for -webkit-appearance:button and -webkit-appearance:textfield.

We found
 - |button| and |textfield| were frequently used in 'CSS reset'
 - there were some instances of <a> with -webkit-appearance:button

We'd like to know how frequently they affect actual rendering.

This CL adds the following counters:
 * -webkit-appearance:button is actually rendered
 * -webkit-appearance:button for elements with button appearance by default
 * -webkit-appearance:button for <a>
 * -webkit-appearance:button for element with push-button appearance by default
 * -webkit-appearance:textfield is actually rendered
 * -webkit-appearance:textfield for elements with textfield appearance by default
 * -webkit-appearance:textfield for <input type=search>

BUG=631849
Committed: https://crrev.com/7b592f6c3a2c7a8caa92412b72192ddacee01341
Cr-Commit-Position: refs/heads/master@{#408033}

[tkent, 2016-07-27 00:46:47]

The CQ bit was checked by tkent@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-07-27 00:47:09]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[tkent, 2016-07-27 00:55:51]

Description was changed from

==========
Add more UseCounters for -webkit-appearance:button and
-webkit-appearance:textfield.

 * -webkit-appearance:button is actually rendered
 * -webkit-appearance:button for elements with button appearance by default
 * -webkit-appearance:button for <a>
 * -webkit-appearance:button for element with push-button appearance by default
 * -webkit-appearance:textfield is actually rendered
 * -webkit-appearance:textfield for elements with textfield appearance by
default
 * -webkit-appearance:textfield for <input type=search>

BUG=631849
==========

to

==========
Add more UseCounters for -webkit-appearance:button and
-webkit-appearance:textfield.

We found |button| and |textfield| were frequently used in 'CSS reset', and guess
they rarely affect actual rendering.

 * -webkit-appearance:button is actually rendered
 * -webkit-appearance:button for elements with button appearance by default
 * -webkit-appearance:button for <a>
 * -webkit-appearance:button for element with push-button appearance by default
 * -webkit-appearance:textfield is actually rendered
 * -webkit-appearance:textfield for elements with textfield appearance by
default
 * -webkit-appearance:textfield for <input type=search>

BUG=631849
==========

[tkent, 2016-07-27 01:57:45]

Description was changed from

==========
Add more UseCounters for -webkit-appearance:button and
-webkit-appearance:textfield.

We found |button| and |textfield| were frequently used in 'CSS reset', and guess
they rarely affect actual rendering.

 * -webkit-appearance:button is actually rendered
 * -webkit-appearance:button for elements with button appearance by default
 * -webkit-appearance:button for <a>
 * -webkit-appearance:button for element with push-button appearance by default
 * -webkit-appearance:textfield is actually rendered
 * -webkit-appearance:textfield for elements with textfield appearance by
default
 * -webkit-appearance:textfield for <input type=search>

BUG=631849
==========

to

==========
Add more UseCounters for -webkit-appearance:button and
-webkit-appearance:textfield.

We found
 - |button| and |textfield| were frequently used in 'CSS reset'
 - there were some instances of <a> with -webkit-appearance:button

We'd like to know how many they are.

This CL adds the following counters:
 * -webkit-appearance:button is actually rendered
 * -webkit-appearance:button for elements with button appearance by default
 * -webkit-appearance:button for <a>
 * -webkit-appearance:button for element with push-button appearance by default
 * -webkit-appearance:textfield is actually rendered
 * -webkit-appearance:textfield for elements with textfield appearance by
default
 * -webkit-appearance:textfield for <input type=search>

BUG=631849
==========

[tkent, 2016-07-27 01:58:29]

Description was changed from

==========
Add more UseCounters for -webkit-appearance:button and
-webkit-appearance:textfield.

We found
 - |button| and |textfield| were frequently used in 'CSS reset'
 - there were some instances of <a> with -webkit-appearance:button

We'd like to know how many they are.

This CL adds the following counters:
 * -webkit-appearance:button is actually rendered
 * -webkit-appearance:button for elements with button appearance by default
 * -webkit-appearance:button for <a>
 * -webkit-appearance:button for element with push-button appearance by default
 * -webkit-appearance:textfield is actually rendered
 * -webkit-appearance:textfield for elements with textfield appearance by
default
 * -webkit-appearance:textfield for <input type=search>

BUG=631849
==========

to

==========
Add more UseCounters for -webkit-appearance:button and
-webkit-appearance:textfield.

We found
 - |button| and |textfield| were frequently used in 'CSS reset'
 - there were some instances of <a> with -webkit-appearance:button

We'd like to know how frequently they affect actual rendering.

This CL adds the following counters:
 * -webkit-appearance:button is actually rendered
 * -webkit-appearance:button for elements with button appearance by default
 * -webkit-appearance:button for <a>
 * -webkit-appearance:button for element with push-button appearance by default
 * -webkit-appearance:textfield is actually rendered
 * -webkit-appearance:textfield for elements with textfield appearance by
default
 * -webkit-appearance:textfield for <input type=search>

BUG=631849
==========

[tkent, 2016-07-27 01:59:09]

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

[tkent, 2016-07-27 01:59:10]

keishi@, would you review this please?
isherman@, would you approve histograms.xml please?

[keishi, 2016-07-27 02:06:27]

LGTM

[Ilya Sherman, 2016-07-27 02:15:20]

histograms.xml lgtm

[commit-bot: I haz the power, 2016-07-27 03:08:47]

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

[commit-bot: I haz the power, 2016-07-27 03:08:48]

Dry run: This issue passed the CQ dry run.

[tkent, 2016-07-27 03:20:13]

The CQ bit was checked by tkent@chromium.org

[commit-bot: I haz the power, 2016-07-27 03:20:30]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-07-27 03:26:49]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-07-27 03:30:07]

Description was changed from

==========
Add more UseCounters for -webkit-appearance:button and
-webkit-appearance:textfield.

We found
 - |button| and |textfield| were frequently used in 'CSS reset'
 - there were some instances of <a> with -webkit-appearance:button

We'd like to know how frequently they affect actual rendering.

This CL adds the following counters:
 * -webkit-appearance:button is actually rendered
 * -webkit-appearance:button for elements with button appearance by default
 * -webkit-appearance:button for <a>
 * -webkit-appearance:button for element with push-button appearance by default
 * -webkit-appearance:textfield is actually rendered
 * -webkit-appearance:textfield for elements with textfield appearance by
default
 * -webkit-appearance:textfield for <input type=search>

BUG=631849
==========

to

==========
Add more UseCounters for -webkit-appearance:button and
-webkit-appearance:textfield.

We found
 - |button| and |textfield| were frequently used in 'CSS reset'
 - there were some instances of <a> with -webkit-appearance:button

We'd like to know how frequently they affect actual rendering.

This CL adds the following counters:
 * -webkit-appearance:button is actually rendered
 * -webkit-appearance:button for elements with button appearance by default
 * -webkit-appearance:button for <a>
 * -webkit-appearance:button for element with push-button appearance by default
 * -webkit-appearance:textfield is actually rendered
 * -webkit-appearance:textfield for elements with textfield appearance by
default
 * -webkit-appearance:textfield for <input type=search>

BUG=631849

Committed: https://crrev.com/7b592f6c3a2c7a8caa92412b72192ddacee01341
Cr-Commit-Position: refs/heads/master@{#408033}
==========

[commit-bot: I haz the power, 2016-07-27 03:30:09]

Patchset 1 (id:??) landed as
https://crrev.com/7b592f6c3a2c7a8caa92412b72192ddacee01341
Cr-Commit-Position: refs/heads/master@{#408033}