Deprecate case-insensitive matching for |usemap| attribute

Deprecate case-insensitive matching for |usemap| attribute

This CL doesn't use Deprecation::countDeprecation() because we'd like to show a
deprecation warning message once per a pair of names. This CL uses FrameConsole::
addSingletonMesssage().

Intent: https://groups.google.com/a/chromium.org/forum/#!topic/blink-dev/8pHdFzN0YQc

BUG=659464
Committed: https://crrev.com/b5cd3470950e29229752c7d239ad4a5c9fe18598
Cr-Commit-Position: refs/heads/master@{#433159}

[tkent, 2016-11-15 06:24:13]

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

[commit-bot: I haz the power, 2016-11-15 06:24:26]

Dry run: 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, 2016-11-15 07:32:23]

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

[commit-bot: I haz the power, 2016-11-15 07:32:23]

Dry run: Try jobs failed on following builders:
  linux_android_rel_ng on master.tryserver.chromium.android (JOB_FAILED,
https://build.chromium.org/p/tryserver.chromium.android/builders/linux_androi...)

[tkent, 2016-11-15 08:08:55]

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

[commit-bot: I haz the power, 2016-11-15 08:09:07]

Dry run: 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, 2016-11-15 08:48:03]

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

[commit-bot: I haz the power, 2016-11-15 08:48:04]

Dry run: Try jobs failed on following builders:
  linux_chromium_chromeos_ozone_rel_ng on master.tryserver.chromium.linux
(JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)

[tkent, 2016-11-15 08:59:14]

Patchset #1 (id:1) has been deleted

[tkent, 2016-11-18 03:31:48]

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

[commit-bot: I haz the power, 2016-11-18 03:34:37]

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

[tkent, 2016-11-18 04:56:02]

Patchset #1 (id:20001) has been deleted

[tkent, 2016-11-18 05:20:17]

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

[commit-bot: I haz the power, 2016-11-18 05:20:50]

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

[tkent, 2016-11-18 05:45:32]

Patchset #1 (id:40001) has been deleted

[commit-bot: I haz the power, 2016-11-18 06:24:58]

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

[commit-bot: I haz the power, 2016-11-18 06:24:59]

Dry run: Try jobs failed on following builders:
  linux_chromium_rel_ng on master.tryserver.chromium.linux (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)

[tkent, 2016-11-18 08:24:33]

Description was changed from

==========
Deprecate case-insensitive matching for |usemap| attribute

BUG=659464
==========

to

==========
Deprecate case-insensitive matching for |usemap| attribute

This CL doesn't use Deprecation::countDeprecation() because we'd like to show a
deprecation warning message once per a pair of names. This CL uses
FrameConsole::
addSingletonMesssage().

Intent:
https://groups.google.com/a/chromium.org/forum/#!topic/blink-dev/8pHdFzN0YQc

BUG=659464
==========

[tkent, 2016-11-18 08:24:52]

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

[tkent, 2016-11-18 08:24:52]

kochi@, would you review this please?

[kochi, 2016-11-18 08:45:18]

lgtm

[tkent, 2016-11-18 08:49:32]

The CQ bit was checked by tkent@chromium.org

[commit-bot: I haz the power, 2016-11-18 08:50:00]

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, 2016-11-18 09:33:09]

Committed patchset #1 (id:60001)

[commit-bot: I haz the power, 2016-11-18 09:34:49]

Description was changed from

==========
Deprecate case-insensitive matching for |usemap| attribute

This CL doesn't use Deprecation::countDeprecation() because we'd like to show a
deprecation warning message once per a pair of names. This CL uses
FrameConsole::
addSingletonMesssage().

Intent:
https://groups.google.com/a/chromium.org/forum/#!topic/blink-dev/8pHdFzN0YQc

BUG=659464
==========

to

==========
Deprecate case-insensitive matching for |usemap| attribute

This CL doesn't use Deprecation::countDeprecation() because we'd like to show a
deprecation warning message once per a pair of names. This CL uses
FrameConsole::
addSingletonMesssage().

Intent:
https://groups.google.com/a/chromium.org/forum/#!topic/blink-dev/8pHdFzN0YQc

BUG=659464

Committed: https://crrev.com/b5cd3470950e29229752c7d239ad4a5c9fe18598
Cr-Commit-Position: refs/heads/master@{#433159}
==========

[commit-bot: I haz the power, 2016-11-18 09:34:50]

Patchset 1 (id:??) landed as
https://crrev.com/b5cd3470950e29229752c7d239ad4a5c9fe18598
Cr-Commit-Position: refs/heads/master@{#433159}