merge fasta.PrecedenceInfo into analyzer.TokenType

pkg/front_end/lib/src/fasta/scanner/error_token.dart

Index: pkg/front_end/lib/src/fasta/scanner/error_token.dart
diff --git a/pkg/front_end/lib/src/fasta/scanner/error_token.dart b/pkg/front_end/lib/src/fasta/scanner/error_token.dart
index cb03154589a8b6846a7330345536d95017867028..d88b50b38f42185fbee0885732cc854df97dfce8 100644
--- a/pkg/front_end/lib/src/fasta/scanner/error_token.dart
+++ b/pkg/front_end/lib/src/fasta/scanner/error_token.dart
@@ -4,6 +4,8 @@
 
 library dart_scanner.error_token;
 
+import '../../scanner/token.dart' show TokenType;
+
 import '../fasta_codes.dart'
     show
         FastaCode,
@@ -22,7 +24,7 @@ import '../fasta_codes.dart'
 import '../scanner.dart'
     show BeginGroupToken, Token, unicodeReplacementCharacter;
 
-import 'precedence.dart' show BAD_INPUT_INFO, PrecedenceInfo;
+import 'precedence.dart' show BAD_INPUT_INFO;
 
 ErrorToken buildUnexpectedCharacterToken(int character, int charOffset) {
   if (character < 0x1f) {
@@ -69,7 +71,7 @@ ErrorToken buildUnexpectedCharacterToken(int character, int charOffset) {
 abstract class ErrorToken extends Token {
   ErrorToken(int charOffset) : super(charOffset);
 
-  PrecedenceInfo get info => BAD_INPUT_INFO;
+  TokenType get info => BAD_INPUT_INFO;
 
   String get lexeme => throw assertionMessage;