Format all files under tools and utils directory.

tools/dom/src/dartium_CustomElementSupport.dart

 // Copyright (c) 2014, 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 dart.dom.html;
 
 /// Dartium ElementUpgrader implementation.
 class _VMElementUpgrader implements ElementUpgrader {
   final Type _type;
   final Type _nativeType;
   final String _extendsTag;
 
-  _VMElementUpgrader(Document document, Type type, String extendsTag) :
-      _type = type,
-      _extendsTag = extendsTag,
-      _nativeType = _validateCustomType(type).reflectedType {
-
+  _VMElementUpgrader(Document document, Type type, String extendsTag)
+      : _type = type,
+        _extendsTag = extendsTag,
+        _nativeType = _validateCustomType(type).reflectedType {
     if (extendsTag == null) {
       if (_nativeType != HtmlElement) {
         throw new UnsupportedError('Class must provide extendsTag if base '
-              'native class is not HtmlElement');
+            'native class is not HtmlElement');
       }
     } else {
       if (document.createElement(extendsTag).runtimeType != _nativeType) {
         throw new UnsupportedError(
             'extendsTag does not match base native class');
       }
     }
   }
 
   Element upgrade(element) {
@@ skipping 39 matching lines @@
   }
 
   Symbol objectName = reflectClass(Object).qualifiedName;
   bool isRoot(ClassMirror cls) =>
       cls == null || cls.qualifiedName == objectName;
   Symbol elementName = reflectClass(HtmlElement).qualifiedName;
   bool isElement(ClassMirror cls) =>
       cls != null && cls.qualifiedName == elementName;
   ClassMirror superClass = cls.superclass;
   ClassMirror nativeClass = _isBuiltinType(superClass) ? superClass : null;
-  while(!isRoot(superClass) && !isElement(superClass)) {
+  while (!isRoot(superClass) && !isElement(superClass)) {
     superClass = superClass.superclass;
     if (nativeClass == null && _isBuiltinType(superClass)) {
       nativeClass = superClass;
     }
   }
   return nativeClass;
 }
 
-
 bool _isBuiltinType(ClassMirror cls) {
   // TODO(vsm): Find a less hackish way to do this.
   LibraryMirror lib = cls.owner;
   String libName = lib.uri.toString();
   return libName.startsWith('dart:');
 }