[giow] (1) Make cues that are added while a video is paused get rendered before it gets unpaused.
Fixing https://www.w3.org/Bugs/Public/show_bug.cgi?id=16920
Affected topics: Video and Audio

git-svn-id: http://svn.whatwg.org/webapps@7965 340c8d12-0b0e-0410-8428-c7bf67bfef74

Author:    ianh <ianh@340c8d12-0b0e-0410-8428-c7bf67bfef74>