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

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

Observer lists now support range-based for loops.

BUG=655021
Committed: https://crrev.com/a2d442c2aaafb39b866d324b7706e40597320ea3
Cr-Commit-Position: refs/heads/master@{#425043}

[dcheng, 2016-10-12 22:43:11]

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

[commit-bot: I haz the power, 2016-10-12 22:43:46]

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 22:59:04]

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

[dcheng, 2016-10-12 22:59:05]

https://codereview.chromium.org/2410283004/diff/1/content/browser/loader/reso...
File content/browser/loader/resource_dispatcher_host_impl.cc (right):

https://codereview.chromium.org/2410283004/diff/1/content/browser/loader/reso...
content/browser/loader/resource_dispatcher_host_impl.cc:1036: handled = true;
This is technically redundant given line 1047, but I thought it might be clearer
this way? It's also closer to what the original code did, I guess.

[commit-bot: I haz the power, 2016-10-13 01:38:52]

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

[commit-bot: I haz the power, 2016-10-13 01:38:53]

Dry run: This issue passed the CQ dry run.

[Avi (use Gerrit), 2016-10-13 15:02:58]

lgtm

[dcheng, 2016-10-13 15:30:46]

The CQ bit was checked by dcheng@chromium.org

[commit-bot: I haz the power, 2016-10-13 15:31:03]

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 15:39:43]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-10-13 15:44:14]

Description was changed from

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

Observer lists now support range-based for loops.

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

to

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

Observer lists now support range-based for loops.

BUG=655021

Committed: https://crrev.com/a2d442c2aaafb39b866d324b7706e40597320ea3
Cr-Commit-Position: refs/heads/master@{#425043}
==========

[commit-bot: I haz the power, 2016-10-13 15:44:16]

Patchset 1 (id:??) landed as
https://crrev.com/a2d442c2aaafb39b866d324b7706e40597320ea3
Cr-Commit-Position: refs/heads/master@{#425043}