Changing the Weakptr initialization order in chrome/browser/extension folder

Changing the Weakptr initialization order

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/63d6300f39f31888597c1c3b40fca8ed9426da91
Cr-Commit-Position: refs/heads/master@{#295004}

[MRV, 2014-09-15 11:13:35]

mohan.reddy@samsung.com changed reviewers:
+ sky@chromium.org

[MRV, 2014-09-15 11:13:36]

PTAL

[sky, 2014-09-15 16:05:16]

sky@chromium.org changed reviewers:
+ yoz@chromium.org
- sky@chromium.org

[sky, 2014-09-15 16:05:16]

How about a more local owner:
sky->yoz

[Yoyo Zhou, 2014-09-15 18:55:45]

LGTM

[MRV, 2014-09-16 02:06:02]

On 2014/09/15 18:55:45, Yoyo Zhou wrote:
> LGTM

Thanks mr.yoyo zhou for lgtm

[MRV, 2014-09-16 02:06:10]

The CQ bit was checked by mohan.reddy@samsung.com

[commit-bot: I haz the power, 2014-09-16 02:19:19]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patchset/560913006/1

[commit-bot: I haz the power, 2014-09-16 04:14:48]

Committed patchset #1 (id:1) as a8e08c27fdbf4189fbda4dc09613c9cb12074f62

[commit-bot: I haz the power, 2014-09-16 04:16:19]

Patchset 1 (id:??) landed as
https://crrev.com/63d6300f39f31888597c1c3b40fca8ed9426da91
Cr-Commit-Position: refs/heads/master@{#295004}