dart2js: Construct the entire output as a single AST before printing.

pkg/js_ast/lib/src/builder.dart

 // Copyright (c) 2013, 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.
 
 // Utilities for building JS ASTs at runtime.  Contains a builder class
 // and a parser that parses part of the language.
 
 part of js_ast;
 
 
@@ skipping 311 matching lines @@
   }
 
   /// Creates a literal js string from [value].
   ///
   /// Note that this function only puts quotes around [value]. It does not do
   /// any escaping, so use only when you can guarantee that [value] does not
   /// contain newlines or backslashes. For escaping the string use
   /// [escapedString].
   LiteralString string(String value) => new LiteralString('"$value"');
 
-  LiteralString name(String name) => new LiteralString(name);
-
   LiteralNumber number(num value) => new LiteralNumber('$value');
 
   LiteralBool boolean(bool value) => new LiteralBool(value);
 
   ArrayInitializer numArray(Iterable<int> list) =>
       new ArrayInitializer(list.map(number).toList());
 
   ArrayInitializer stringArray(Iterable<String> list) =>
       new ArrayInitializer(list.map(string).toList());
 
@@ skipping 999 matching lines @@
 
   Catch parseCatch() {
     expectCategory(LPAREN);
     Declaration errorName = parseVariableDeclaration();
     expectCategory(RPAREN);
     expectCategory(LBRACE);
     Block body = parseBlock();
     return new Catch(errorName, body);
   }
 }