Cleanup in SearchTabHelper

Cleanup in SearchTabHelper
- Remove unused InitForPreloadedNTP
- Make InstantSupportChanged private

BUG=627747
Committed: https://crrev.com/d8c5a5e724fbbc898d08b6e87de7484ac332c93e
Cr-Commit-Position: refs/heads/master@{#405473}

[Marc Treib, 2016-07-14 10:29:12]

The CQ bit was checked by treib@chromium.org to run a CQ dry run

[Marc Treib, 2016-07-14 10:29:26]

treib@chromium.org changed reviewers:
+ bauerb@chromium.org

[Marc Treib, 2016-07-14 10:29:27]

PTAL!

[commit-bot: I haz the power, 2016-07-14 10:29:28]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[Bernhard Bauer, 2016-07-14 10:35:17]

lgtm

[Marc Treib, 2016-07-14 11:06:40]

The CQ bit was unchecked by treib@chromium.org

[Marc Treib, 2016-07-14 11:06:46]

The CQ bit was checked by treib@chromium.org

[commit-bot: I haz the power, 2016-07-14 11:07:10]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-07-14 11:37:34]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2016-07-14 11:37:35]

Try jobs failed on following builders:
  linux_android_rel_ng on master.tryserver.chromium.android (JOB_FAILED,
https://build.chromium.org/p/tryserver.chromium.android/builders/linux_androi...)

[Marc Treib, 2016-07-14 11:39:44]

The CQ bit was checked by treib@chromium.org

[commit-bot: I haz the power, 2016-07-14 11:40:00]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-07-14 12:03:06]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-07-14 12:03:08]

CQ bit was unchecked.

[commit-bot: I haz the power, 2016-07-14 12:05:30]

Description was changed from

==========
Cleanup in SearchTabHelper
- Remove unused InitForPreloadedNTP
- Make InstantSupportChanged private

BUG=627747
==========

to

==========
Cleanup in SearchTabHelper
- Remove unused InitForPreloadedNTP
- Make InstantSupportChanged private

BUG=627747

Committed: https://crrev.com/d8c5a5e724fbbc898d08b6e87de7484ac332c93e
Cr-Commit-Position: refs/heads/master@{#405473}
==========

[commit-bot: I haz the power, 2016-07-14 12:05:31]

Patchset 1 (id:??) landed as
https://crrev.com/d8c5a5e724fbbc898d08b6e87de7484ac332c93e
Cr-Commit-Position: refs/heads/master@{#405473}