Removed the last references to Renderer from ProgramBinary. BUG=angle:731 Change-Id: I8829a434e59279b1b9c37e9a1922ae05d467b376 Reviewed-on: https://chromium-review.googlesource.com/219421 Reviewed-by: Jamie Madill <jmadill@chromium.org> Reviewed-by: Shannon Woods <shannonwoods@chromium.org> Tested-by: Brandon Jones <bajones@chromium.org>