I broke the Windows build when updating ANGLE. This should fix it without re-enabling WebGL.
Created attachment 255964 [details] Patch
Note that there are important steps to take when updating ANGLE. See http://trac.webkit.org/wiki/UpdatingANGLE
Comment on attachment 255964 [details] Patch Wow! Nice work.
http://trac.webkit.org/changeset/186201