Refactored tokentrees into their own files in preparation for tokenstreams. Modified tests to point to the new file now.

src/libsyntax_ext/trace_macros.rs

@@ -8,12 +8,12 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-use syntax::ast::TokenTree;
 use syntax::codemap::Span;
 use syntax::ext::base::ExtCtxt;
 use syntax::ext::base;
 use syntax::feature_gate;
 use syntax::parse::token::keywords;
+use syntax::tokenstream::TokenTree;
 
 
 pub fn expand_trace_macros(cx: &mut ExtCtxt,