Revert "Implement script-side of callback reactions for Custom Elements V1"

Revert "Implement script-side of callback reactions for Custom Elements V1"

This reverts commit 4f581ae17af347201ede92b01dc47068ee0cf2d5.

This commit landed twice, and the second landing caused a function to be defined
twice in V8Binding.h.

BUG=594918
TBR=kojii@chromium.org
NOTRY=true

Committed: https://crrev.com/d3b7d5c11891d4de41363cd94b4981bd4a305193
Cr-Commit-Position: refs/heads/master@{#399866}

[jbroman, 2016-06-15 09:02:00]

The CQ bit was checked by jbroman@chromium.org

[commit-bot: I haz the power, 2016-06-15 09:02:10]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2066793003/1

[commit-bot: I haz the power, 2016-06-15 09:05:38]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-06-15 09:05:39]

CQ bit was unchecked

[commit-bot: I haz the power, 2016-06-15 09:07:17]

Description was changed from

==========
Revert "Implement script-side of callback reactions for Custom Elements V1"

This reverts commit 4f581ae17af347201ede92b01dc47068ee0cf2d5.

This commit landed twice, and the second landing caused a function to be defined
twice in V8Binding.h.

BUG=594918
TBR=kojii@chromium.org
NOTRY=true
==========

to

==========
Revert "Implement script-side of callback reactions for Custom Elements V1"

This reverts commit 4f581ae17af347201ede92b01dc47068ee0cf2d5.

This commit landed twice, and the second landing caused a function to be defined
twice in V8Binding.h.

BUG=594918
TBR=kojii@chromium.org
NOTRY=true

Committed: https://crrev.com/d3b7d5c11891d4de41363cd94b4981bd4a305193
Cr-Commit-Position: refs/heads/master@{#399866}
==========

[commit-bot: I haz the power, 2016-06-15 09:07:18]

Patchset 1 (id:??) landed as
https://crrev.com/d3b7d5c11891d4de41363cd94b4981bd4a305193
Cr-Commit-Position: refs/heads/master@{#399866}

[haraken, 2016-06-15 09:09:05]

LGTM

[kojii, 2016-06-15 09:34:27]

Thank you for doing this, lgtm too