InterfaceDescriptor becomes CallInterfaceDescriptor.

There was no difference between these two classes in a hierarchical
relationship.

R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/532473002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23560 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Fix typed lowering of JSUnaryNot to work with graph reducer.

R=titzer@chromium.org
TEST=cctest/test-js-typed-lowering/UnaryNot[Effects]

Review URL: https://codereview.chromium.org/523633002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23561 ce2b1a6d-e550-0410-aec6-3dcde31c8c00