rename fasta.Token.value --> lexeme

pkg/compiler/lib/src/elements/modelx.dart

Index: pkg/compiler/lib/src/elements/modelx.dart
diff --git a/pkg/compiler/lib/src/elements/modelx.dart b/pkg/compiler/lib/src/elements/modelx.dart
index bf589e1cbac3e78485af13acaca9a847c56183ee..5c3615125672fe000ff13ef9cce687c9fa300c3b 100644
--- a/pkg/compiler/lib/src/elements/modelx.dart
+++ b/pkg/compiler/lib/src/elements/modelx.dart
@@ -136,7 +136,7 @@ abstract class ElementX extends Element with ElementCommon {
     // The unary '-' operator has a special element name (specified).
     if (needle == 'unary-') needle = '-';
     for (Token t = token; Tokens.EOF_TOKEN != t.kind; t = t.next) {
-      if (t is! ErrorToken && needle == t.value) return t;
+      if (t is! ErrorToken && needle == t.lexeme) return t;
     }
     return token;
   }