Remove usage of base::ObserverList<T>::Iter::GetNext() in //components/renderer_context_menu.

Remove usage of base::ObserverList<T>::Iter::GetNext() in //components/renderer_context_menu.

Observer lists now support range-based for loops.

BUG=655021
Committed: https://crrev.com/9f2c0c22727611cc5f812c7597522d0fcf769c66
Cr-Commit-Position: refs/heads/master@{#424928}

[dcheng, 2016-10-12 23:31:28]

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

[commit-bot: I haz the power, 2016-10-12 23:31:58]

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

[dcheng, 2016-10-12 23:34:08]

dcheng@chromium.org changed reviewers:
+ avi@chromium.org

[commit-bot: I haz the power, 2016-10-13 00:17:48]

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

[commit-bot: I haz the power, 2016-10-13 00:17:49]

Dry run: This issue passed the CQ dry run.

[Avi (use Gerrit), 2016-10-13 01:19:47]

lgtm

[dcheng, 2016-10-13 01:20:14]

The CQ bit was checked by dcheng@chromium.org

[commit-bot: I haz the power, 2016-10-13 01:20:34]

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, 2016-10-13 01:25:19]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-10-13 01:28:01]

Description was changed from

==========
Remove usage of base::ObserverList<T>::Iter::GetNext() in
//components/renderer_context_menu.

Observer lists now support range-based for loops.

BUG=655021
==========

to

==========
Remove usage of base::ObserverList<T>::Iter::GetNext() in
//components/renderer_context_menu.

Observer lists now support range-based for loops.

BUG=655021

Committed: https://crrev.com/9f2c0c22727611cc5f812c7597522d0fcf769c66
Cr-Commit-Position: refs/heads/master@{#424928}
==========

[commit-bot: I haz the power, 2016-10-13 01:28:02]

Patchset 1 (id:??) landed as
https://crrev.com/9f2c0c22727611cc5f812c7597522d0fcf769c66
Cr-Commit-Position: refs/heads/master@{#424928}