Use a correct instance to create ITfContext.

Use a correct document manager to create an instance of ITfContext.

Previous implementation always used |document_manager_for_editable_| to create an instance of ITfContext but it was incorrect. We should use corresponding document manager for each case.

BUG=149136
TEST=Manually tested on Windows 8 with --enable-text-services-framework

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=177129

[Seigo Nonaka, 2013-01-07 00:46:45]

lgtm

nit: /create create/create/ in patch description.

lgtm, thank you for your catch up.

BTW, does this have any visible problems for users?
If so, please file a new bug and ask for merge request?

[Yohei Yukawa, 2013-01-07 01:45:58]

On 2013/01/07 00:46:45, Seigo Nonaka wrote:
> lgtm
> 
> nit: /create create/create/ in patch description.
> 
> lgtm, thank you for your catch up.
> 
> BTW, does this have any visible problems for users?
> If so, please file a new bug and ask for merge request?

No, there is not visible issue as far as I know.

[Seigo Nonaka, 2013-01-07 02:11:02]

lgtm

[commit-bot: I haz the power, 2013-01-07 02:14:09]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/Yukawa@chromium.org/11779010/1

[commit-bot: I haz the power, 2013-01-07 02:30:30]

Retried try job too often on ios_dbg_simulator for step(s) sync_unit_tests,
unit_tests

[commit-bot: I haz the power, 2013-01-07 04:05:33]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/Yukawa@chromium.org/11779010/1

[commit-bot: I haz the power, 2013-01-07 04:16:49]

Retried try job too often on ios_dbg_simulator for step(s) sync_unit_tests,
unit_tests

[commit-bot: I haz the power, 2013-01-07 13:02:25]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/Yukawa@chromium.org/11779010/1

[commit-bot: I haz the power, 2013-01-07 13:11:37]

Retried try job too often on ios_dbg_simulator for step(s) sync_unit_tests,
unit_tests

[commit-bot: I haz the power, 2013-01-16 08:24:26]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/Yukawa@chromium.org/11779010/1

[commit-bot: I haz the power, 2013-01-16 10:59:30]

Change committed as 177129