format with dart_style 0.2.0-rc.3

lib/src/codegen/js_metalet.dart

 // Copyright (c) 2015, 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.
 
 library dev_compiler.src.codegen.js_metalet;
 
 // TODO(jmesserly): import from its own package
 import 'package:dev_compiler/src/js/js_ast.dart';
 import 'package:dev_compiler/src/js/precedence.dart';
 
@@ skipping 239 matching lines @@
 }
 
 class _IdentFinder extends BaseVisitor {
   final String name;
   bool found = false;
   _IdentFinder(this.name);
 
   @override visitIdentifier(Identifier node) {
     if (node.name == name) found = true;
   }
+
   @override visitNode(Node node) {
     if (!found) super.visitNode(node);
   }
 }
 
 class _YieldFinder extends BaseVisitor {
   bool hasYield = false;
   bool hasThis = false;
   bool _nestedFunction = false;
   @override visitThis(This node) {
     hasThis = true;
   }
+
   @override visitFunctionExpression(FunctionExpression node) {
     var savedNested = _nestedFunction;
     _nestedFunction = true;
     super.visitFunctionExpression(node);
     _nestedFunction = savedNested;
   }
+
   @override visitYield(Yield node) {
     if (!_nestedFunction) hasYield = true;
   }
+
   @override visitNode(Node node) {
     if (!hasYield) super.visitNode(node);
   }
 }