Add Needed Forward Declaration

Add Needed Forward Declaration

In blink side, some forward declarations were only used in
chromium side. We should move these forward declarations to
the files that we really need it.

Committed: https://crrev.com/bf1468c0e30e3f2719f9cc5c584b583080837df8
Cr-Commit-Position: refs/heads/master@{#306869}

[zhaoze.zhou, 2014-12-03 23:43:58]

zhaoze.zhou@partner.samsung.com changed reviewers:
+ tkent@chromium.org

[zhaoze.zhou, 2014-12-03 23:55:30]

zhaoze.zhou@partner.samsung.com changed reviewers:
+ jam@chromium.org

[zhaoze.zhou, 2014-12-03 23:56:01]

https://codereview.chromium.org/776693002/ related chromium side patch

[zhaoze.zhou, 2014-12-03 23:56:15]

On 2014/12/03 23:56:01, zhaoze.zhou wrote:
> https://codereview.chromium.org/776693002/ related blink side patch

[tkent, 2014-12-04 00:02:25]

non-owner LGTM

[zhaoze.zhou, 2014-12-04 15:49:12]

zhaoze.zhou@partner.samsung.com changed reviewers:
+ brettw@chromium.org

[jam, 2014-12-04 17:40:00]

lgtm

[zhaoze.zhou, 2014-12-04 18:10:46]

The CQ bit was checked by zhaoze.zhou@partner.samsung.com

[zhaoze.zhou, 2014-12-04 18:10:47]

The CQ bit was unchecked by zhaoze.zhou@partner.samsung.com

[zhaoze.zhou, 2014-12-04 18:11:09]

The CQ bit was checked by zhaoze.zhou@partner.samsung.com

[commit-bot: I haz the power, 2014-12-04 18:11:22]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/772183003/20001

[commit-bot: I haz the power, 2014-12-04 18:17:37]

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

[commit-bot: I haz the power, 2014-12-04 18:17:38]

Try jobs failed on following builders:
  linux_chromium_gn_dbg on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)
  linux_chromium_gn_rel on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)

[zhaoze.zhou, 2014-12-04 18:27:25]

Patchset #3 (id:40001) has been deleted

[zhaoze.zhou, 2014-12-04 18:57:34]

The CQ bit was checked by zhaoze.zhou@partner.samsung.com

[zhaoze.zhou, 2014-12-04 18:57:52]

On 2014/12/04 18:17:38, I haz the power (commit-bot) wrote:
> Try jobs failed on following builders:
>   linux_chromium_gn_dbg on tryserver.chromium.linux
>
(http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)
>   linux_chromium_gn_rel on tryserver.chromium.linux
>
(http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)

fixed. try again

[commit-bot: I haz the power, 2014-12-04 18:57:56]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/772183003/60001

[commit-bot: I haz the power, 2014-12-04 19:34:03]

Committed patchset #3 (id:60001)

[commit-bot: I haz the power, 2014-12-04 19:34:57]

Patchset 3 (id:??) landed as
https://crrev.com/bf1468c0e30e3f2719f9cc5c584b583080837df8
Cr-Commit-Position: refs/heads/master@{#306869}