Remove redundant call to closeMediaSource() in userCancelledLoad()

Remove redundant call to closeMediaSource() in userCancelledLoad()

MediaSource is getting closed in clearMediaPlayer() and again we are
calling closeMediaSource() which is redundant. Though there is
an early return in closeMediaSource(), still the call is redundant.

Committed: https://crrev.com/ccf0caa5278ac1c7e1d18cac66210ad42b436949
git-svn-id: svn://svn.chromium.org/blink/trunk@199500 bbb929c8-8fbe-4397-9dbb-9b2b20218538

[Srirama, 2015-07-27 07:56:16]

srirama.m@samsung.com changed reviewers:
+ philipj@opera.com

[Srirama, 2015-07-27 07:56:16]

PTAL.

[philipj_slow, 2015-07-27 08:45:11]

The CQ bit was checked by philipj@opera.com

[philipj_slow, 2015-07-27 08:45:12]

lgtm

[commit-bot: I haz the power, 2015-07-27 08:45:16]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1259473004/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1259473004/1

[commit-bot: I haz the power, 2015-07-27 08:47:29]

Committed patchset #1 (id:1) as
https://src.chromium.org/viewvc/blink?view=rev&revision=199500

[commit-bot: I haz the power, 2015-09-23 11:48:13]

Patchset 1 (id:??) landed as
https://crrev.com/ccf0caa5278ac1c7e1d18cac66210ad42b436949