Remove unused function template overloads.

Remove unused function template overloads.

Leftover from r408135, remove the generated isT(*RefPtr<T>)
overloads also.

R=
BUG=

Committed: https://crrev.com/2378d8a350cc4fa3da3b7ef0d962deb6529c62da
Cr-Commit-Position: refs/heads/master@{#408887}

[sof, 2016-07-31 05:16:55]

The CQ bit was checked by sigbjornf@opera.com to run a CQ dry run

[commit-bot: I haz the power, 2016-07-31 05:17:02]

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

[sof, 2016-07-31 05:25:02]

sigbjornf@opera.com changed reviewers:
+ haraken@chromium.org

[sof, 2016-07-31 05:25:03]

please take a look.

[commit-bot: I haz the power, 2016-07-31 06:33:26]

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

[commit-bot: I haz the power, 2016-07-31 06:33:27]

Dry run: This issue passed the CQ dry run.

[haraken, 2016-07-31 08:30:14]

LGTM

[sof, 2016-07-31 17:14:26]

The CQ bit was checked by sigbjornf@opera.com

[commit-bot: I haz the power, 2016-07-31 17:14:38]

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, 2016-07-31 17:17:49]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-07-31 17:19:44]

Description was changed from

==========
Remove unused function template overloads.

Leftover from r408135, remove the generated isT(*RefPtr<T>)
overloads also.

R=
BUG=
==========

to

==========
Remove unused function template overloads.

Leftover from r408135, remove the generated isT(*RefPtr<T>)
overloads also.

R=
BUG=

Committed: https://crrev.com/2378d8a350cc4fa3da3b7ef0d962deb6529c62da
Cr-Commit-Position: refs/heads/master@{#408887}
==========

[commit-bot: I haz the power, 2016-07-31 17:19:45]

Patchset 1 (id:??) landed as
https://crrev.com/2378d8a350cc4fa3da3b7ef0d962deb6529c62da
Cr-Commit-Position: refs/heads/master@{#408887}