Revert "New Compilation API, part 1"

This reverts revision 19881.

Reason: WebKit build failure (will commit a fixed version shortly).

BUG=

Review URL: https://codereview.chromium.org/196793013

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@19882 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Convert scanner buffers to use standard character types.

R=marja@chromium.org

BUG=

Review URL: https://codereview.chromium.org/198583003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@19883 ce2b1a6d-e550-0410-aec6-3dcde31c8c00