Remove support for script tags.

sdk/lib/_internal/compiler/implementation/scanner/parser.dart

 // Copyright (c) 2012, 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 license that can be found in the LICENSE file.
 
 part of scanner;
 
 /**
  * An event generating parser of Dart programs. This parser expects
  * all tokens in a linked list (aka a token stream).
  *
@@ skipping 34 matching lines @@
     return token;
   }
 
   Token parseTopLevelDeclaration(Token token) {
     token = parseMetadataStar(token);
     final String value = token.stringValue;
     if ((identical(value, 'abstract')) || (identical(value, 'class'))) {
       return parseClass(token);
     } else if (identical(value, 'typedef')) {
       return parseTypedef(token);
-    } else if (identical(value, '#')) {
-      return parseScriptTags(token);
     } else if (identical(value, 'library')) {
       return parseLibraryName(token);
     } else if (identical(value, 'import')) {
       return parseImport(token);
     } else if (identical(value, 'export')) {
       return parseExport(token);
     } else if (identical(value, 'part')) {
       return parsePartOrPartOf(token);
     } else {
       return parseTopLevelMember(token);
@@ skipping 673 matching lines @@
     mayParseFunctionExpressions = false;
     do {
       token = parseExpression(token.next);
       ++count;
     } while (optional(',', token));
     mayParseFunctionExpressions = old;
     listener.endInitializers(count, begin, token);
     return token;
   }
 
-  Token parseScriptTags(Token token) {
-    Token begin = token;
-    listener.beginScriptTag(token);
-    token = parseIdentifier(token.next);
-    token = expect('(', token);
-    token = parseLiteralStringOrRecoverExpression(token);
-    bool hasPrefix = false;
-    if (optional(',', token)) {
-      hasPrefix = true;
-      token = parseIdentifier(token.next);
-      token = expect(':', token);
-      token = parseLiteralStringOrRecoverExpression(token);
-    }
-    token = expect(')', token);
-    listener.endScriptTag(hasPrefix, begin, token);
-    return expectSemicolon(token);
-  }
-
   Token parseLiteralStringOrRecoverExpression(Token token) {
     if (identical(token.kind, STRING_TOKEN)) {
       return parseLiteralString(token);
     } else {
       listener.recoverableError("unexpected", token: token);
       return parseExpression(token);
     }
   }
 
   Token expectSemicolon(Token token) {
@@ skipping 1409 matching lines @@
     }
     listener.handleContinueStatement(hasTarget, continueKeyword, token);
     return expectSemicolon(token);
   }
 
   Token parseEmptyStatement(Token token) {
     listener.handleEmptyStatement(token);
     return expectSemicolon(token);
   }
 }