Fix WeakPtrFactory member ordering in gpu

Fix WeakPtrFactory member ordering in gpu

Changing in the intialization order of WeakPtrFactory such that all
member variables should appear before the WeakPtrFactory to ensure
that any WeakPtrs to Controller are invalidated before its members
variable's destructors are executed, rendering them invalid.

BUG=303818
Committed: https://crrev.com/e75b97e2d6797a635d8c4b3237d92668fd9f3b20
Cr-Commit-Position: refs/heads/master@{#308010}

[anujsharma, 2014-12-11 09:55:28]

anujk.sharma@samsung.com changed reviewers:
+ piman@chromium.org

[anujsharma, 2014-12-11 09:55:29]

PTAL

[piman, 2014-12-11 18:17:44]

lgtm

[anujsharma, 2014-12-11 23:13:20]

On 2014/12/11 18:17:44, piman (Very slow to review) wrote:
> lgtm

Thanks piman for lgtm.

[anujsharma, 2014-12-11 23:13:35]

The CQ bit was checked by anujk.sharma@samsung.com

[commit-bot: I haz the power, 2014-12-11 23:16:02]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/791353002/1

[commit-bot: I haz the power, 2014-12-12 00:36:55]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2014-12-12 00:38:11]

Patchset 1 (id:??) landed as
https://crrev.com/e75b97e2d6797a635d8c4b3237d92668fd9f3b20
Cr-Commit-Position: refs/heads/master@{#308010}