edx/edx-platform — pull request #689 by polesye (2013-08-15 11:53:35+00:00)
Title: Video: disable speed controls for unsupported browsers.

@valera-rozuvan please, review.

Older browsers do not support HTML5 speed changes. In this case, if browser doesn't support it we disable speed controls.

For example, FF 19 doesn't support this functionality.