Format all files under tools and utils directory.

tools/dom/src/AttributeMap.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 html;
 
 abstract class _AttributeMap implements Map<String, String> {
   final Element _element;
 
   _AttributeMap(this._element);
 
   void addAll(Map<String, String> other) {
-    other.forEach((k, v) { this[k] = v; });
+    other.forEach((k, v) {
+      this[k] = v;
+    });
   }
 
   bool containsValue(Object value) {
     for (var v in this.values) {
       if (value == v) {
         return true;
       }
     }
     return false;
   }
@@ skipping 59 matching lines @@
   /**
    * Checks to see if the node should be included in this map.
    */
   bool _matches(Node node);
 }
 
 /**
  * Wrapper to expose [Element.attributes] as a typed map.
  */
 class _ElementAttributeMap extends _AttributeMap {
-
-  _ElementAttributeMap(Element element): super(element);
+  _ElementAttributeMap(Element element) : super(element);
 
   bool containsKey(Object key) {
     return _element._hasAttribute(key);
   }
 
   String operator [](Object key) {
     return _element.getAttribute(key);
   }
 
   void operator []=(String key, String value) {
@@ skipping 13 matching lines @@
     return keys.length;
   }
 
   bool _matches(Node node) => node._namespaceUri == null;
 }
 
 /**
  * Wrapper to expose namespaced attributes as a typed map.
  */
 class _NamespacedAttributeMap extends _AttributeMap {
-
   final String _namespace;
 
-  _NamespacedAttributeMap(Element element, this._namespace): super(element);
+  _NamespacedAttributeMap(Element element, this._namespace) : super(element);
 
   bool containsKey(Object key) {
     return _element._hasAttributeNS(_namespace, key);
   }
 
   String operator [](Object key) {
     return _element.getAttributeNS(_namespace, key);
   }
 
   void operator []=(String key, String value) {
     _element.setAttributeNS(_namespace, key, value);
   }
 
   String remove(Object key) {
     String value = this[key];
     _element._removeAttributeNS(_namespace, key);
     return value;
   }
 
   /**
    * The number of {key, value} pairs in the map.
    */
   int get length {
     return keys.length;
   }
 
   bool _matches(Node node) => node._namespaceUri == _namespace;
 }
 
-
 /**
  * Provides a Map abstraction on top of data-* attributes, similar to the
  * dataSet in the old DOM.
  */
 class _DataAttributeMap implements Map<String, String> {
-
   final Map<String, String> _attributes;
 
   _DataAttributeMap(this._attributes);
 
   // interface Map
 
   void addAll(Map<String, String> other) {
-    other.forEach((k, v) { this[k] = v; });
+    other.forEach((k, v) {
+      this[k] = v;
+    });
   }
 
   // TODO: Use lazy iterator when it is available on Map.
   bool containsValue(Object value) => values.any((v) => v == value);
 
   bool containsKey(Object key) => _attributes.containsKey(_attr(key));
 
   String operator [](Object key) => _attributes[_attr(key)];
 
   void operator []=(String key, String value) {
     _attributes[_attr(key)] = value;
   }
 
   String putIfAbsent(String key, String ifAbsent()) =>
-    _attributes.putIfAbsent(_attr(key), ifAbsent);
+      _attributes.putIfAbsent(_attr(key), ifAbsent);
 
   String remove(Object key) => _attributes.remove(_attr(key));
 
   void clear() {
     // Needs to operate on a snapshot since we are mutating the collection.
     for (String key in keys) {
       remove(key);
     }
   }
 
@@ skipping 59 matching lines @@
   String _toHyphenedName(String word) {
     var sb = new StringBuffer();
     for (int i = 0; i < word.length; i++) {
       var lower = word[i].toLowerCase();
       if (word[i] != lower && i > 0) sb.write('-');
       sb.write(lower);
     }
     return sb.toString();
   }
 }