merge fasta.PrecedenceInfo into analyzer.TokenType

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

 // Copyright (c) 2017, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style licenset hat can be found in the LICENSE file.
 
 library fasta.scanner.recover;
 
+import '../../scanner/token.dart' show TokenType;
+
 import '../fasta_codes.dart'
     show
         FastaCode,
         codeAsciiControlCharacter,
         codeEncoding,
         codeExpectedHexDigit,
         codeMissingExponent,
         codeNonAsciiIdentifier,
         codeNonAsciiWhitespace,
         codeUnexpectedDollarInString,
         codeUnmatchedToken,
         codeUnterminatedComment,
         codeUnterminatedString;
 
 import 'token.dart' show StringToken, SymbolToken, Token;
 
 import 'error_token.dart' show NonAsciiIdentifierToken, ErrorToken;
 
 import 'precedence.dart' as Precedence;
 
-import 'precedence.dart' show PrecedenceInfo;
-
 /// Recover from errors in [tokens]. The original sources are provided as
 /// [bytes]. [lineStarts] are the beginning character offsets of lines, and
 /// must be updated if recovery is performed rewriting the original source
 /// code.
 Token defaultRecoveryStrategy(
     List<int> bytes, Token tokens, List<int> lineStarts) {
   // See [Parser.reportErrorToken](../parser/src/parser.dart) for how
   // it currently handles lexical errors. In addition, notice how the parser
   // calls [handleInvalidExpression], [handleInvalidFunctionBody], and
   // [handleInvalidTypeReference] to allow the listener to recover its internal
@@ skipping 184 matching lines @@
     good.previousToken = errorTail;
     tail = goodTail;
   } else {
     tail = errorTail;
   }
   if (!tail.isEof)
     tail.next = new SymbolToken.eof(tail.end)..previousToken = tail;
   return error;
 }
 
-Token synthesizeToken(int charOffset, String value, PrecedenceInfo info) {
+Token synthesizeToken(int charOffset, String value, TokenType info) {
   return new StringToken.fromString(info, value, charOffset);
 }
 
 Token skipToEof(Token token) {
   while (!token.isEof) {
     token = token.next;
   }
   return token;
 }
 
 String closeBraceFor(String openBrace) {
   return const {
     '(': ')',
     '[': ']',
     '{': '}',
     '<': '>',
     r'${': '}',
   }[openBrace];
 }