Add a x64 stub of frames-x64.h so we have StackHandlerConstants.
Add a x64 stub of frames-x64.h so we have StackHandlerConstants.

This is just a stripped down version of ia32, and will need to change.

Review URL: http://codereview.chromium.org/108010


git-svn-id: b158db1e4b4ab85d4c9e510fdef4b1e8c614b15b@1865 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh