Fix left out WeakPtrFactory member ordering in content

Fix WeakPtrFactory member ordering in content

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/16fa4dfb291f54073d34d5191339168dcb808ddb
Cr-Commit-Position: refs/heads/master@{#307915}

[anujsharma, 2014-12-11 09:50:19]

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

[anujsharma, 2014-12-11 09:50:20]

PTAL

[Avi (use Gerrit), 2014-12-11 15:01:38]

lgtm

[anujsharma, 2014-12-11 16:16:39]

On 2014/12/11 15:01:38, Avi wrote:
> lgtm

Thanks Avi for lgtm.

[anujsharma, 2014-12-11 16:17:01]

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

[commit-bot: I haz the power, 2014-12-11 16:17:17]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/794083002/1

[commit-bot: I haz the power, 2014-12-11 17:04:52]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2014-12-11 17:05:38]

Patchset 1 (id:??) landed as
https://crrev.com/16fa4dfb291f54073d34d5191339168dcb808ddb
Cr-Commit-Position: refs/heads/master@{#307915}