[chromium] Create a CCYUVVideoDrawQuad and remove the now-unused generic CCVideoDrawQuad
This CL should conclude the video quad specialization refactor.
Created attachment 146990 [details] Patch
Comment on attachment 146990 [details] Patch R=me. Changes all look good, assuming tests all still pass once this applies.
Created attachment 147681 [details] Patch
Committed r120457: <http://trac.webkit.org/changeset/120457>