[DevTools] Remove Console.messagesCleared event.

[DevTools] Remove Console.messagesCleared event.

This event doesn't make sense. Frontend can clear console messages log
on navigation if it wants to.

BUG=613882
Committed: https://crrev.com/68b12f1c42ff0d66ee403dfd8b499b9d0f87865a
Cr-Commit-Position: refs/heads/master@{#405559}

[dgozman, 2016-07-13 21:45:49]

dgozman@chromium.org changed reviewers:
+ lushnikov@chromium.org, pfeldman@chromium.org

[dgozman, 2016-07-13 21:45:49]

Take a look please.

[lushnikov, 2016-07-13 21:52:51]

lgtm

[dgozman, 2016-07-14 19:26:18]

The CQ bit was checked by dgozman@chromium.org

[dgozman, 2016-07-14 19:26:18]

The patchset sent to the CQ was uploaded after l-g-t-m from
lushnikov@chromium.org
Link to the patchset: https://codereview.chromium.org/2146163002/#ps40001
(title: "rebased on ToT")

[commit-bot: I haz the power, 2016-07-14 19:26:34]

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, 2016-07-14 20:43:30]

Committed patchset #3 (id:40001)

[commit-bot: I haz the power, 2016-07-14 20:43:44]

CQ bit was unchecked.

[commit-bot: I haz the power, 2016-07-14 20:47:39]

Description was changed from

==========
[DevTools] Remove Console.messagesCleared event.

This event doesn't make sense. Frontend can clear console messages log
on navigation if it wants to.

BUG=613882
==========

to

==========
[DevTools] Remove Console.messagesCleared event.

This event doesn't make sense. Frontend can clear console messages log
on navigation if it wants to.

BUG=613882

Committed: https://crrev.com/68b12f1c42ff0d66ee403dfd8b499b9d0f87865a
Cr-Commit-Position: refs/heads/master@{#405559}
==========

[commit-bot: I haz the power, 2016-07-14 20:47:41]

Patchset 3 (id:??) landed as
https://crrev.com/68b12f1c42ff0d66ee403dfd8b499b9d0f87865a
Cr-Commit-Position: refs/heads/master@{#405559}