Trac #22155
Signed-off-by: Geoff Lang
Signed-off-by: Nicolas Capens

This allows ProgramBinary::save to avoid knowing about D3D9 shaders

git-svn-id: https://angleproject.googlecode.com/svn/branches/dx11proto@1508 736b8ea6-26fd-11df-bfd4-992fa37f6226