ROLLOUT: r169630: Caused a retain cycle.
https://bugs.webkit.org/show_bug.cgi?id=133463
<rdar://problem/17098100>

Rolling out this change as it introduced a retain cycle.

* Modules/mediacontrols/MediaControlsHost.cpp:
(WebCore::MediaControlsHost::setControllerJSObject): Deleted.
* Modules/mediacontrols/MediaControlsHost.h:
(WebCore::MediaControlsHost::controllerJSValue):
(WebCore::MediaControlsHost::setControllerJSValue):
(WebCore::MediaControlsHost::controllerJSObject): Deleted.
* html/HTMLMediaElement.cpp:
(WebCore::HTMLMediaElement::parseAttribute):



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@169645 268f45cc-cd09-0410-ab3c-d52691b4dbfc