message: Fix test for changes in plugin API.
diff: @@ -205,7 +205,7 @@ fn plugin_deps() {
  extern crate syntax;
  use rustc_driver::plugin::Registry;
  - use syntax::tokenstream::TokenTree;
  + use syntax::tokenstream::TokenStream;
  use syntax::source_map::Span;
  use syntax::ast::*;
  use syntax::ext::base::{ExtCtxt, MacEager, MacResult};
  @@ -215,7 +215,7 @@ fn plugin_deps() {
  reg.register_macro("bar", expand_bar);
  }
  - fn expand_bar(cx: &mut ExtCtxt, sp: Span, tts: &[TokenTree])
  + fn expand_bar(cx: &mut ExtCtxt, sp: Span, tts: TokenStream)
  -> Box<MacResult + 'static> {
  MacEager::expr(cx.expr_lit(sp, LitKind::Int(1, LitIntType::Unsuffixed)))
  }
  @@ -301,7 +301,7 @@ fn plugin_to_the_max() {
  extern crate baz;
  use rustc_driver::plugin::Registry;
  - use syntax::tokenstream::TokenTree;
  + use syntax::tokenstream::TokenStream;
  use syntax::source_map::Span;
  use syntax::ast::*;
  use syntax::ext::base::{ExtCtxt, MacEager, MacResult};
  @@ -312,7 +312,7 @@ fn plugin_to_the_max() {
  reg.register_macro("bar", expand_bar);
  }
  - fn expand_bar(cx: &mut ExtCtxt, sp: Span, tts: &[TokenTree])
  + fn expand_bar(cx: &mut ExtCtxt, sp: Span, tts: TokenStream)
  -> Box<MacResult + 'static> {
  let bar = Ident::from_str("baz");
  let path = cx.path(sp, vec![bar.clone(), bar]);
  