fix formatting

lib/src/codegen/js_codegen.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_codegen;
 
 import 'dart:collection' show HashSet, HashMap;
 
 import 'package:analyzer/analyzer.dart' hide ConstantEvaluator;
 import 'package:analyzer/src/generated/ast.dart' hide ConstantEvaluator;
@@ skipping 788 matching lines @@
 
   @override
   JS.Statement visitRedirectingConstructorInvocation(
       RedirectingConstructorInvocation node) {
     var name = _constructorName(node.staticElement);
     return js.statement('this.#(#);', [name, _visit(node.argumentList)]);
   }
 
   JS.Statement _superConstructorCall(ClassElement element,
       [SuperConstructorInvocation node]) {
-
     ConstructorElement superCtor;
     if (node != null) {
       superCtor = node.staticElement;
     } else {
       // Get the supertype's unnamed constructor.
       superCtor = element.supertype.element.unnamedConstructor;
       if (superCtor == null) {
         // This will only happen if the code has errors:
         // we're trying to generate an implicit constructor for a type where
         // we don't have a default constructor in the supertype.
@@ skipping 1827 matching lines @@
 
 /// A special kind of element created by the compiler, signifying a temporary
 /// variable. These objects use instance equality, and should be shared
 /// everywhere in the tree where they are treated as the same variable.
 class TemporaryVariableElement extends LocalVariableElementImpl {
   TemporaryVariableElement.forNode(Identifier name) : super.forNode(name);
 
   int get hashCode => identityHashCode(this);
   bool operator ==(Object other) => identical(this, other);
 }