Remove WindowDelegate::OnRequestClose().

Remove WindowDelegate::OnRequestClose().

After fixing WindowTreeClient::RequestClose(window_id)
(https://codereview.chromium.org/2604453002/), there's no more place
that calls WindowDelegate::OnRequestClose().

BUG=none

Review-Url: https://codereview.chromium.org/2613963002
Cr-Commit-Position: refs/heads/master@{#441720}
Committed: https://chromium.googlesource.com/chromium/src/+/3f44dbb750d1f7ef1a77fb75f9710eca3225265f

[riajiang, 2017-01-05 16:29:48]

riajiang@chromium.org changed reviewers:
+ sadrul@chromium.org

[riajiang, 2017-01-05 16:29:48]

Hi sadrul@, PTAL, thanks!

[sadrul, 2017-01-05 16:31:50]

lgtm

[riajiang, 2017-01-05 16:33:22]

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

[commit-bot: I haz the power, 2017-01-05 16:33:50]

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, 2017-01-05 18:19:26]

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

[commit-bot: I haz the power, 2017-01-05 18:19:27]

Dry run: This issue passed the CQ dry run.

[riajiang, 2017-01-05 18:57:17]

The CQ bit was checked by riajiang@chromium.org

[commit-bot: I haz the power, 2017-01-05 18:57:38]

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, 2017-01-05 19:03:28]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1483642637848370, "parent_rev":
"f30790cf7804271f6a6f8a3c49877424e0a8a69c", "commit_rev":
"3f44dbb750d1f7ef1a77fb75f9710eca3225265f"}

[commit-bot: I haz the power, 2017-01-05 19:03:57]

Description was changed from

==========
Remove WindowDelegate::OnRequestClose().

After fixing WindowTreeClient::RequestClose(window_id)
(https://codereview.chromium.org/2604453002/), there's no more place
that calls WindowDelegate::OnRequestClose().

BUG=none
==========

to

==========
Remove WindowDelegate::OnRequestClose().

After fixing WindowTreeClient::RequestClose(window_id)
(https://codereview.chromium.org/2604453002/), there's no more place
that calls WindowDelegate::OnRequestClose().

BUG=none

Review-Url: https://codereview.chromium.org/2613963002
Cr-Commit-Position: refs/heads/master@{#441720}
Committed:
https://chromium.googlesource.com/chromium/src/+/3f44dbb750d1f7ef1a77fb75f971...
==========

[commit-bot: I haz the power, 2017-01-05 19:03:57]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/3f44dbb750d1f7ef1a77fb75f971...