Cleanup: remove prefix chrome_ of chrome/browser/media/chrome* files

Cleanup: remove prefix chrome_ of chrome/browser/media/chrome* files

BUILD.gn was missed in the original clean up in
https://codereview.chromium.org/1762413002

BUG=592104
Committed: https://crrev.com/7f912749c71106cd7e385a8aca0901c6b0312154
Cr-Commit-Position: refs/heads/master@{#387183}

[mbjorge, 2016-04-14 00:00:23]

mbjorge@chromium.org changed reviewers:
+ mcasas@chromium.org

[mcasas, 2016-04-14 00:25:16]

LGTM. Surprised we have missed this :S

[mbjorge, 2016-04-14 00:26:46]

On 2016/04/14 at 00:25:16, mcasas wrote:
> LGTM. Surprised we have missed this :S

Yeah, I was also surprised. I couldn't `gn gen` at all with enable_webrtc=false

[mbjorge, 2016-04-14 00:26:59]

The CQ bit was checked by mbjorge@chromium.org

[commit-bot: I haz the power, 2016-04-14 00:27:19]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1885863005/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1885863005/1

[commit-bot: I haz the power, 2016-04-14 01:09:35]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-04-14 01:10:48]

Description was changed from

==========
Cleanup: remove prefix chrome_ of chrome/browser/media/chrome* files

BUILD.gn was missed in the original clean up in
https://codereview.chromium.org/1762413002

BUG=592104
==========

to

==========
Cleanup: remove prefix chrome_ of chrome/browser/media/chrome* files

BUILD.gn was missed in the original clean up in
https://codereview.chromium.org/1762413002

BUG=592104

Committed: https://crrev.com/7f912749c71106cd7e385a8aca0901c6b0312154
Cr-Commit-Position: refs/heads/master@{#387183}
==========

[commit-bot: I haz the power, 2016-04-14 01:10:49]

Patchset 1 (id:??) landed as
https://crrev.com/7f912749c71106cd7e385a8aca0901c6b0312154
Cr-Commit-Position: refs/heads/master@{#387183}