content: Cleanup class/struct forward declarations

content: Cleanup class/struct forward declarations

Remove useless class and struct forward declarations, and add
missing ones in content header files. This is the 2nd time such
a cleanup is done for content, but it should be the last as we
have now an up-and-running presubmit check.

BUG=662195
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_site_isolation

Committed: https://crrev.com/5b4678369a540c32dc19cd00f4cefbefb9f7b272
Cr-Commit-Position: refs/heads/master@{#435315}

[jbriance, 2016-11-30 13:47:17]

Description was changed from

==========
content: Cleanup class/struct forward declarations

Remove useless class and struct forward declarations, and add
missing ones in content header files. This is the 2nd time such
a cleanup is done for content, but it should be the last as we
have now an up-and-running presubmit check.

BUG=662195
==========

to

==========
content: Cleanup class/struct forward declarations

Remove useless class and struct forward declarations, and add
missing ones in content header files. This is the 2nd time such
a cleanup is done for content, but it should be the last as we
have now an up-and-running presubmit check.

BUG=662195
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_site_isolation
==========

[jbriance, 2016-11-30 13:48:49]

jbriance@cisco.com changed reviewers:
+ avi@chromium.org, jochen@chromium.org

[jochen (gone - plz use gerrit), 2016-11-30 15:30:40]

lgtm

[jbriance, 2016-11-30 15:32:19]

The CQ bit was checked by jbriance@cisco.com

[commit-bot: I haz the power, 2016-11-30 15:32:57]

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, 2016-11-30 17:30:31]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1480519939947180, "parent_rev":
"800d4f4268b6ef4673d53d0531b7bf50538b565a", "commit_rev":
"0d26b4ce9aafc66f05336199e4d1bbccc95829ed"}

[commit-bot: I haz the power, 2016-11-30 17:31:09]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-11-30 17:35:18]

Description was changed from

==========
content: Cleanup class/struct forward declarations

Remove useless class and struct forward declarations, and add
missing ones in content header files. This is the 2nd time such
a cleanup is done for content, but it should be the last as we
have now an up-and-running presubmit check.

BUG=662195
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_site_isolation
==========

to

==========
content: Cleanup class/struct forward declarations

Remove useless class and struct forward declarations, and add
missing ones in content header files. This is the 2nd time such
a cleanup is done for content, but it should be the last as we
have now an up-and-running presubmit check.

BUG=662195
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_site_isolation

Committed: https://crrev.com/5b4678369a540c32dc19cd00f4cefbefb9f7b272
Cr-Commit-Position: refs/heads/master@{#435315}
==========

[commit-bot: I haz the power, 2016-11-30 17:35:20]

Patchset 1 (id:??) landed as
https://crrev.com/5b4678369a540c32dc19cd00f4cefbefb9f7b272
Cr-Commit-Position: refs/heads/master@{#435315}