Code refactor related to WeakPtrFactory in src/components module

Code refactor related to WeakPtrFactory in src/components module

Changing in the intialization order of WeakPtrFactory in src/components module
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/59b968271f2a2fb948ad110f0ed1b3da870b0eb5
Cr-Commit-Position: refs/heads/master@{#295084}

[anujsharma, 2014-09-15 05:40:36]

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

[anujsharma, 2014-09-15 05:43:23]

On 2014/09/15 05:40:37, anujsharma wrote:

PTAL

[jochen (gone - plz use gerrit), 2014-09-16 15:45:29]

lgtm

[anujsharma, 2014-09-16 15:57:00]

On 2014/09/16 15:45:29, jochen wrote:
> lgtm

Thanks for lgtm jochen.

[anujsharma, 2014-09-16 15:57:09]

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

[commit-bot: I haz the power, 2014-09-16 15:58:09]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patchset/573623002/1

[commit-bot: I haz the power, 2014-09-16 16:53:23]

Committed patchset #1 (id:1) as 0ff6d704c3c627292507290cfdb959bdd642c327

[commit-bot: I haz the power, 2014-09-16 16:54:53]

Patchset 1 (id:??) landed as
https://crrev.com/59b968271f2a2fb948ad110f0ed1b3da870b0eb5
Cr-Commit-Position: refs/heads/master@{#295084}