Revert of [Chromecast] Change chromecast_branding to public

Revert of [Chromecast] Change chromecast_branding to public (patchset #6 id:100001 of https://codereview.chromium.org/1262673004/)

Reason for revert:
Revert the CL temporary for TOT build. Checked in again once the internal CLs are approved.

Original issue's description:
> [Chromecast] Change chromecast_branding to public
>
> Change chromecast_branding from Chrome/Chromium to
> public/internal/google in gyp file. "public" is the same as "Chromium"
> and the other two are considered as "Chrome".
>
> BUG=
>
> Committed: https://crrev.com/0f46bd94566380a99ecda0753f659b7e114e3d3d
> Cr-Commit-Position: refs/heads/master@{#341016}

TBR=lcwu@chromium.org,gunsch@chromium.org,byungchul@chromium.org,slan@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=

Committed: https://crrev.com/cc83429750aac56eef9068fcd617d4474d310960
Cr-Commit-Position: refs/heads/master@{#341034}

[yucliu1, 2015-07-30 00:33:58]

Created Revert of [Chromecast] Change chromecast_branding to public

[commit-bot: I haz the power, 2015-07-30 00:35:11]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1266723002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1266723002/1

[commit-bot: I haz the power, 2015-07-30 00:35:12]

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

[commit-bot: I haz the power, 2015-07-30 00:35:13]

No L-G-T-M from a valid reviewer yet. Only full committers are accepted.
Even if an L-G-T-M may have been provided, it was from a non-committer,
_not_ a full super star committer.
See http://www.chromium.org/getting-involved/become-a-committer
Note that this has nothing to do with OWNERS files.

[gunsch-google, 2015-07-30 00:36:52]

gunsch@google.com changed reviewers:
+ gunsch@google.com

[gunsch-google, 2015-07-30 00:36:52]

The CQ bit was checked by gunsch@google.com

[gunsch-google, 2015-07-30 00:36:52]

lgtm

lgtm

[commit-bot: I haz the power, 2015-07-30 00:37:17]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1266723002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1266723002/1

[commit-bot: I haz the power, 2015-07-30 00:38:35]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-07-30 00:41:24]

Patchset 1 (id:??) landed as
https://crrev.com/cc83429750aac56eef9068fcd617d4474d310960
Cr-Commit-Position: refs/heads/master@{#341034}

[yucliu1, 2015-07-30 21:01:10]

A revert of this CL (patchset #1 id:1) has been created in
https://codereview.chromium.org/1256323009/ by yucliu@chromium.org.

The reason for reverting is: retrieve the branding change CL since internal CL
is submitted..